Selecting and Sourcing Coating Systems for Water
Transcription
Selecting and Sourcing Coating Systems for Water
Selecting and Sourcing Coating Systems for Water Tanks A JPCL eBook i Selecting and Sourcing Coating Systems for Water Tanks A JPCL eBook Copyright 2011 by Technology Publishing Company 2100 Wharton Street, Suite 310 Pittsburgh, PA 15203 All Rights Reserved This eBook may not be copied or redistributed without the written permission of the publisher. Contents ii Contents Introduction 1 7 12 20 Performance or Preference: A Look at iii 1 Selected Systems for Water Tank Interiors by Dan Zienty, Lee Dornbusch, and Tony Ippoliti A Comparison of Ultra-Long-Life Coating 7 Systems for Water Storage Tanks by Michael Doolittle Coating Systems Guide for Water Tanks 12 Coatings Company Profiles 20 Introduction iii Introduction This eBook consists of two articles published in JPCL during the last several years on the topic of selecting and specifying coatings for water tanks, as well as JPCL Buying Guide material on coatings systems for water works facilities in various exposure environments. The Buying Guide is organized, first, by exposure type, such as “Immersion Exposure - Potable Water Approved,” then by substrate type, first steel, then concrete. Then, coating manufacturers are listed in alphabetical order and their preferred system is named in both proprietary and generic terms. Finally, contact details are given for all the companies. This collection is designed to provide general guidance on selecting and specifying water tank coatings, and then to give sources for acquiring the appropriate systems. Water Tank Interiors By Dan Zienty and Lee Dornbusch, Short Elliott Hendrickson Inc., and Tony Ippoliti, The SherwinWilliams Company Editor’s note: This article was published in JPCL in May 2007. The field research project described here received an honorable mention award for Engineering Excellence at the Minnesota Section of the American Council of Engineering Companies. “The Anoka water tank evaluation revealed extensive rust bleed and corrosion along the edge of the structural support angles, the roof radial plate lap joints, and similar areas notorious for premature coating failures.” 1 Performance or Preference: A Look at Selected Systems for Water Tank Interiors W hile water storage tanks may vary greatly in size, style, and design, all share a common need for maintenance or periodic reconditioning. Concrete tank exteriors, for example, are regularly protected with acrylic or vinyl-acrylic systems in a smooth or textured finish. And for the interiors of concrete tanks, polyurea or polyurethane elastomers are applied to make interior concrete surfaces leak-proof. Coating remediation in steel tanks is most common in areas of the tank that are difficult to access for painting: interiors above the waterline, for example. Unsealed roof lap-plate seams and intermittently welded roof support systems represent common areas requiring coating maintenance. The evaluation and study of the a Minnesota city’s 400,000-gallon steel water storage tank, completed by an engineering firm in 2002, revealed a need for renovation and a unique opportunity to conduct a test project with a new, NSF 61-approved, zinc-rich coating. The Proposal Working with three partners–coatings manufacturerSherwin-Williams; the City of Anoka, MN; and coating contractor Classic Protective Coatings–engineering firm SEH, which had evaluated the tank, offered to conduct a side-byside test of two interior paint systems with a single application of a moisture-cured urethane (MCU) organic zinc-rich coating. The coating had been recently approved by NSF International under standard ANSI/NSF 61 for use in potable water tanks. Like traditional NSF 61-approved epoxy coatings for water tank interiors, the MCU organic zinc-rich that would be tested is approved for application without a topcoat. The goal was to differentiate between the coating system preferences of the owner (by applying coatings frequently used) and the coating system performance (by comparing the frequently used systems with the single application of zinc-rich coating). According to the coating manufacturer, this test project represented the first time a zinc-rich coating on its own has been used in an actual in-service water tower. For the purpose of this study, performance was defined as the lack of blistering and peeling. Further, performance was to mean less than 10% corrosion—Rust Grade 4G—in accordance with SSPC-Vis 2, Standard Method of Evaluating Degree of Rusting on Painted Steel Surfaces. 2 Completed test area: (left) epoxy/epoxy; (upper right) zinc-rich/epoxy/epoxy; (lower right) MCU zinc-rich Photos courtesy of the authors Background Universal corrosion theory confirms that for rust to form on a steel surface, an anode, cathode, electrolyte, and metallic pathway must be present. If any of these elements are missing, corrosion will not occur. A steel construction element—column, girder, beam, or plate—is comprised of countless grains or “cells” of steel. Some of the cells act as cathodes; others act as anodes. Their proximity to one another provides the metallic pathway needed for the transfer of electrons. Rain, snow, condensation, or potable water in a tank provides the electrolytic component. Corrosion is an electrochemical phenomenon. One method to prevent corrosion is to prohibit the formation of rust by connecting a more noble or “passive” metal (steel) to a less noble “active” metal. Less noble metals (zinc, in this example) act as sacrificial anodic materials because providing the electrons that protect the steel surface eventually exhausts them. The anode provides the electrons that passivate the protected steel surfaces, making it a cathode. In the case of a water storage tank, cathodic protection may be provided by an impressed current system (see AWWA D104). Conceivably, lining the steel surfaces with zinc-aluminum metalizing—a slow, very expensive, but long-lasting alternative—could also provide passivation. One of the authors is aware of one municipality that has experienced very good corrosion protection using such a method. The Anoka water tank evaluation revealed extensive rust bleed and corrosion along the edge of the structural roof support angles; around the compression ring; between intermittent welds, the upper shell stiffener ring, and roof; and at roof radial plate lap joints. These locations are notorious for premature coating failures because it is difficult to apply coating systems in these nooks, crevices, and edges. Condensation forms in these areas (hence, they are called “vapor areas”) and causes premature coating failure, leading to rusting, flaking, or coating delamination. Such corrosion can lead to serious structural problems and costly repairs if left unchecked. Depending on the design of the tank, seal welding of roof-supporting members in the vapor areas may offer a permanent yet costly solution. However, in other tanks, seal welding cannot be done because it would prevent the movement or expansion that has been designed into such areas. The evaluation allowed the following question to be raised: could an organic zinc coating alone protect the roof and roof support system from corrosion? Would it “sacrifice itself”—act as an anode—if not over-coated, or would it have performance similar to other barrier-type immersion-grade epoxy coating systems? Barrier coatings protect against corrosion by preventing an atmospheric or a submerged electrolyte—in this case water—from contacting the substrate, thereby removing one of the four components necessary for corrosion. For decades, barrier coatings containing rust-inhibitive pigments such as lead or zinc-chromate had been used as primers under topcoat systems on the interiors 3 Table 1: Systems Tested of water towers to protect steel from the effects of corrosion; however, such pigments, which were based on heavy metals, were later deemed detrimental to public health because of the heavy metal content. Rust-inhibitive coatings limit corrosion by having their corrosion-preventing pigments solubilize slightly under wet conditions. The solubilized pigments then act to passivate the surface at the steel/coating interface. Manufacturers of coatings intended for potable water contact have their coatings tested to determine whether solvents or other toxins leach from the coatings. No coatings with such leachates are approved for use in today’s drinking water tanks. Further, coating system approval for each project in Minnesota is also required by the Minnesota Department of Health. The engineering firm learned in 2002 that a new MCU organic zinc-rich immersion-grade coating received NSF approval. The manufacturer formulated the coating so that it would receive **Note: remaining interior areas of tank, not part of the test study region, NSF 61-approval with or without a topcoat. protected with this coating system. There are practical reasons for the manufacturer’s approach to formulation. One reason is that, if the interior topcoat were damaged in such a way to expose the NSF 61-approved zinc-rich coating, no threat to the public would be derived from drinking water that was exposed to the MCU zinc-rich system. In the past, during the transition to NSF 61-approved coatings, water tank interiors were occasionally Brush-Off Blast Cleaned (SSPC-SP 7) prior to the application of “approved” coatings or coating systems. When these coatings were damaged—or worse, if they blistered—the existing, non-NSFapproved coatings would be exposed to the stored drinking water, creating a potential health risk. The Case Study Enter the Anoka water tank repair project. The engineering firm approached the manufacturer of the MCU zinc-rich and the City of Anoka with the idea of conducting a test project that included the application of the newly NSF-approved coating on the City’s 400,000-gallon tank. During development, the manufacturer conducted controlled test studies on the product, but had no “in-service” examples that would confirm its protective characteristics in water towers without a protective topcoat. To produce “in-service” evidence of its product’s capabilities, and understanding the risks to the City of Anoka, the manufacturer agreed to assume full responsibility for paint, contractor repairs, and inspection costs for coating failures (if any) in the test areas. The inspection for failures would take place at the end of the two-year warranty given to the owner. The engineering firm also received approval from the Minnesota Department of Health for this first-of-its-kind undertaking. Given this win-win scenario, the City approved the plan, and the engineering firm wrote the MCU or- 4 ganic zinc-rich system and the guarantee into plans and specs that were sent to contractors. The case study consisted of applying the three coating systems shown in Table 1 and Fig. 1 and comparing their performance. All three systems came from the manufacturer of the singlecoat product in the test. The City took the tank out of service in June 2003. The specifications incorporated a scope of work that included erecting a full-containment structure per SSPC-Guide 6, Class 2A, and completely removing interior and exterior coatings. Though the project schedule allowed seven weeks to complete the work, the contractor finished in four weeks and at $7,000 under budget, allowing the tank to be returned to service earlier than anticipated. Fig. 2: Condition of support angle at warranty inspection for MCU Zinc-rich Performance Evaluation The engineering firm conducted a followup warranty inspection in June of 2005— two years after testing the three coating systems—including the inspection of the single-coat MCU zincrich. AWWA D102-03 Standard, in Section 5.2.1.General, states: “When specified, the inside … surfaces of the tank shall be inspected within one year after coating work has been completed, to determine whether any repair work is necessary,” so this two-year warranted test period provided more than sufficient time for any problems to surface. At the engineering firm’s invitation, representatives of the coating manufacturer participated in the inspection. The inspection revealed no significant failures of the single coat MCU organic zinc-rich system when compared with the two more traditional systems (Figs. 2 and 3). The only notable failures occurred over a manway cover, amounting to less than 1⁄10 of 1% of the total test area. The failure was traced to an application error, not to the product itself (Fig. 4). Benefits The initial success of the MCU zinc-rich coating, applied at 3 to 4 mils DFT, was measured by the performance criteria established for this test project case study (no blistering or peeling, less than 10% corrosion per SSPC-Vis 4). This success indicated a method by which this water community could save thousands of dol- Fig. 3: Condition of MCU zinc-rich on roof plates at warranty inspection 5 lars on labor, material, time, and repairs needed due to corrosion of its storage tanks. The submerged area of the tank totaled approximately 9,000 square feet, a third of which represented thevapor area that was used for the case study. A manufacturer’s recommendations for conventional coatings, in vapor zones, for example, may require a coating thickness between 8 and 12 mils. The recommended application thickness for the MCU organic zincrich tested is much less, however, and there is no visible evidence of unsuccessful coating performance at this thickness. At an estimated cost average of $6.25 per square Fig. 4: At the warranty inspection, the only notable failures were over a manway cover foot using traditional systems, and were traced to an application error. recognized savings in the test area for labor and materials were estimated at $1.75 per square foot–significant savings, especially if the single-coat system performs as long as or longer than conventional systems. Since the AWWA and many water professionals recommend periodic inspection of water tanks every three to five years, the engineering firm has another inspection tentatively planned for 2009, at which time additional corrosion performance results will be measured. The performance data discovered in this two-year test project will be used to evaluate the longevity of the MCU zinc-rich coating as an alternative to conventional multi-coat coating systems for vapor zone renovation. Future Value Adopting a new coating technology or employing an existing coating in a new environment may require owners or engineers to adjust their thinking, but not necessarily to accept greater risks. The engineering firm successfully implemented this test project case study without any risk to the client or to the safety of their drinking water supply by providing the coating manufacturer the opportunity to assume responsibility for a product in which it had great confidence yet limited in-service statistics. Overcoming Client Preferences/Exceeding Owner Performance “We had complete trust and confidence in SEH,” City of Anoka Public Works Director Craig Gray said. “Inspectors followed the entire project, and safety tests were conducted before the tank was put back into service to ensure public safety. But most of all, we needed assurances that if something went wrong I did not have to go in front of our City Council and ask for another $100,000 to redo the job, and the agreement [the engineering firm] negotiated with the paint manufacturer to cover all labor and materials gave us the security and protection we needed to proceed.” 6 “Really, our only concern was meeting the project timetable, as we had to have the tank back on line by August when water demand is greatest. Though we set a seven-week schedule, the project was done three weeks early, and the tank was back on line the first part of July. The project just went very smoothly, and shows the potential that exists for municipalities to substantially save on labor and materials involved in water tank painting and/or rehabilitation.” The single-coat product SEH tested was Sherwin-Williams’ Corothane I Galvapac, B65 Series. Classic Protective Coatings applied the coatings for the testing. Dan Zienty is a senior professional specialist for Short Elliott Hendrickson Inc. (SEH), a multidiscipline, single-source consulting firm of engineers, architects, planners, and scientists with offices throughout the Upper Midwest and mountain regions (www.sehinc.com). He is based in St. Paul, MN. Lee Dornbush is also a senior professional specialist at Short Elliot Hendrickson Inc. He is an SSPC-certified Protective Coating Specialist. Tony Ippoliti of The Sherwin-Williams Company, Industrial & Marine Coatings, is a senior corrosion specification specialist based in Indianapolis, Indiana. He prepares protective coating and lining specifications for engineering firms, steel fabricators, electric power generators, and water/wastewater facilities in the Midwestern U.S. He also performs corrosion surveys and assists in the evaluation of existing protective coating and lining systems. He has worked for Sherwin-Williams since 1976. He is active in SSPC, STI/SPFA, NACE, and AWWA. JPCL Specification Development By Michael L. Doolittle, Tank Industry Consultants Editor’s note: This article was published in JPCL in May 2009. 7 A Comparison of Ultra-Long-Life Coating Systems for Water Storage Tanks F or water storage tank applications, alkyds, the much-trusted coatings of the past, were summarily replaced by superior performing poly- urethane coatings in the late 1970s and early 1980s. Polyurethanes were then, in the early 1990s, supplanted by polyurethanes with clear coats and polyurethanes with UV protectors—coatings that promised resistance to fading and a twenty-year service life. These later polyurethanes are now being challenged by fluorourethane and polysiloxane coatings—coatings that, although developed in the 1980s, are only recently being used for water storage tank applications. Fluorourethanes and polysiloxanes are ultra-high-performance coatings that are said to have a service life of up to thirty years. This article gives an overview of long-life coating systems for water tank exteriors and interiors, including a relative comparison of salient application and performance properties. Coating Systems for Water Storage Tank Exteriors Fluorourethane and siloxane coatings are rapidly gaining popularity with tank owners. The advertised thirty-year service life of these coatings is a big plus as regulations placed on coating removal and application procedures become stricter and the costs of materials and labor rise. The product cost, however, makes most tank owners think twice and re-evaluate the benefit of the increased service life. Siloxane coatings, newer to the industry than fluorourethanes, are promoted as having very good color and gloss retention, and they are less expensive than the fluorourethane coatings. Siloxanes have a wider recommended application thickness range and are relatively easy to apply, with pot life exceeding the fluorourethane coatings. The fluorourethane coating system applied to these two ground storage tanks continues to provide excellent corrosion protection after 7 and 8 years of service. All photos courtesy of Tank Industry Consultants Life Expectancy What defines the end of an exterior coating’s service life? When the first rust spot appears? When a certain percentage of primer is showing? When a certain percentage of rust is visible? Or when the finish coat is not aesthetically pleasing? For this article, the definition of the service life of a coating is the amount of time before repainting becomes necessary due to coating failure and corrosion. Future touch-up may be required on isolated coating failures. If aesthetics are a concern, the owner may have to topcoat the repainted tank before the end of the expected service life. However, future topcoating would be less expensive than complete cleaning and recoating and could postpone the need for complete cleaning and repainting for many years. 8 Color Availability Most exterior tank coatings are available in practically all colors. Many times, color and aesthetic concerns drive the selection of the coating. Ease of Application Generally, single-component materials dry on surfaces via the evaporation of the solvent, while multiple-component materials generally cure by a chemical reaction of the materials. Some coating types are more sensitive to atmospheric conditions than others, and this should be taken into account during coating selection. Single-component materials, such as alkyds, acrylics, moisture-cured urethanes, and silicone alkyds, are easier to mix and apply than the two- and three-component, higher-performance coating materials. During both application and cure, moisture-cured coatings are prone to blushing when exposed to humidity or dew. Good painting practices must be followed for a coating to perform as intended. For example, to perform properly, all components of a moisture-cured urethane must be mixed using the correct component ratios and power mixers; clean thinner in clean containers should be used as well. In addition, most coating manufacturers recommend using shorter roller nap, high-quality roller covers for application. The shorter roller nap is somewhat more difficult to use—it requires the applicator to reapply the coating to the roller more frequently because the shorter nap does not hold as much paint as the longer nap. Care needs to be taken to apply and roll the material to achieve the required dry film thickness. Because of its sensitivity to coating thickness, a polyurethane clear coat is much more difficult to apply evenly and consistently. It is critical that the material be applied at the specified thickness—normally about 1 mil. A polyurethane application can look great when it is completed, but once a year or two has passed, any areas where the clear coat is too thick can yellow, and undercoats that are too thin can begin to very noticeably fade. Resistance to Abrasion In reality, the sources of abrasion on a water tank surface are limited: vandals throwing rocks or shooting at tanks, or, possibly, ice and snow build-up in cold weather. When vandals throw rocks and chip the coating, spot rusting may result. Our company’s experience shows that all of the finish coatings are going to react similarly. If a tank has been damaged previously by vandalism, consider using a zinc prime coat in which the zinc may help reduce the rusting caused by a breach in the finish coat. The best strategy to reduce abrasion from ice and snow is to make sure the material is applied with a smooth finish so the ice and snow will slide off, with no lifted edges where moisture can get in and lift the coating. This tank in Lombard, IL, “The Lilac Village,” is still a community landmark three years after the tank was recoated with a fluorourethane coating system. Resistance to Graffiti If the solvent in an anti-graffiti paint softens the underlying coating, graffiti will bond readily to the underlying coating and will be difficult to remove. Ultra-high-performance coatings may reduce the damage from graffiti because they provide a smoother finish, have lower surface energy, and are more solvent resistant, thus giving the graffiti less “bite” into the surface. With high-performance polyurethanes and ultra-high-performance fluorourethanes and polysiloxanes, graffiti can be removed, but it takes a lot of elbow grease using the appropriate thinner. Removing graffiti can remove part of the finish coat, and often residual graffiti is visible. The only way to “remove” graffiti from acrylics and alkyds is to apply coating over the graffiti, but matching the color of the original coating is often difficult. 9 Resistance to Fading (Color and Gloss Retention) Although alkyds and acrylics can be obtained in many colors, the poor color retention and gloss retention of these coatings should limit the color selection to light blues, light greens, light tans, and white. As these coatings fade and chalk, they will tend to look white anyway. The higher performance polyurethanes in bright colors will begin to fade during the first three to five years. If a tank is to be painted white, it might be adequate to use a standard polyure-thane because, while the gloss is likely to fade, the color will remain the same. Water tank applications of solvent-borne fluorourethanes have not been in service long enough to know how much they will fade. However, tanks that our company observed being coated with a fluorourethane three to five years ago do not appear to have faded nearly as much as we would have expected had they been painted with a standard polyurethane. Longer in-service results for water tank applications of siloxane coatings are not yet available A recent and common application of note is the use of fluorourethanes for bright colored logos on lighter colored tanks because fluorourethanes hold color well. Also of note: in our company’s experience with exterior tank coatings, acrylics seem to hold their color significantly better than the alkyds. Resistance to Chalking Chalking is a white powdery substance that forms on the surface of a coating as it is degraded by UV radiation and as the coating pigments and binders break down. Chalking is usually an aesthetic consideration, except in extreme situations in which the thickness of the coating decreases and reduces the coating’s protective properties. Alkyds and polyurethane coatings seem to be most apt to chalk. Ease of Topcoating Coatings that have good resistance to graffiti (having a very hard or smooth surface) are typically not easy to topcoat for the same reasons. Although water tank applications of fluorourethanes and siloxanes have a short history, given their short recoat windows, abrading is normally required before topcoating or touch-up; polyurethanes with clear coats also require abrading prior to topcoating or touch-up. Polyurethanes, acrylics, and alkyds typically have an extended recoat window. By the time they are ready for topcoating, the surface has degraded and chalked sufficiently that a good power wash, using a detergent and usually some scrubbing, is required to prepare the surface. By nature, chalking normally causes the surface to become abraded. To provide good adhesion for the topcoating, it is important to remove chalk, dirt, and debris. Dry Fallout Coatings that dry or cure quickly and fall to the ground in a relatively dry condition have good “dry fallout” characteristics. Because most water tank abrasive blasting projects are done inside containment due to lead paint or nuisance dust restrictions, dry fall coatings are not as critical as they once were—the tarps or containment can easily be left in place during coating application. In addition, more and more exterior tank painting projects are using brush and roller application instead of spray application. Application by brush and roller will reduce the amount of overspray because the coating droplets will be larger and not travel as far. Polyurethane, fluorourethane, and polysiloxane coatings do not have good dry fall characteristics. In addition, some of the dry fall acrylics cannot be applied by brush and roller and achieve good results. Corrosion Resistance Corrosion resistance can be documented by many testing procedures that compare different coating types under similar conditions. Because lead-based primers are no longer available, many coatings, such as alkyds, silicone alkyds, and acrylics, will not have the same corrosion resistance as previously manufactured coatings of the same generic type that contain lead or chromates. 10 Coating Systems for Water Storage Tank Interiors Two- or three-coat tank interior epoxy coating systems have been a standard in the industry for the past 25 years. Recent additions to the coatings specifer’s arsenal are zinc-primed epoxy and polyurethane interior coating systems. Metalized coatings, also available for 25 years or so, are also gaining popularity for the interiors of potable water storage tanks. Life Expectancy Is interior coating failure defined as when the first rust spot appears or when a certain percentage of rust is visible? The service life of an interior coating is defined in this article as the typical expected number of years before repainting becomes necessary due to excessive coating failure and corrosion. The owner can extend the service life of the interior coating by installing and properly maintaining and operating a cathodic protection system to help protect the interior submerged steel surfaces that have experienced coating failure. Cathodic protection is not commonly used with zinc/aluminum spray-applied coatings. Epoxy or zinc-epoxy interior coatings are expected to last 15–25 years. Polyurethanes and metalized coatings have a significantly longer service life. NSF 61 Certified Products The National Sanitation Foundation (NSF) has established testing criteria for coatings in contact with potable water. These criteria include protocol for bacteria growth, VOC contamination, and limits on other impurities in the cured coating system. Most states have adopted the NSF/ANSI 61 listing procedure for tank interior coating systems; the participation status of all 50 U.S. states is provided in the NSF report, “Survey of ASDWA Members Use of NSF Standards and ETV Reports: May 2008,” available at http://www.nsf.org/business/water_distribution/pdf/ASDWA_Survey.pdf. Ease of Application Epoxy and zinc-epoxy coating systems are relatively easy to apply and have a relatively short material pot life. The higher performance interior coatings, such as polyurethanes and polyureas, are one-application, multi-pass systems. These materials have a very short recoat window, and, once applied and set, require significant additional surface preparation for topcoating and touch-up. They are more difficult than the standard epoxy systems to apply because they require special plural-component spray guns, heaters, and other equipment, as well as a deep anchor pattern. Specialized training and certification is also required for the applicator, and training is recommended for the equipment operator. For the coating to perform well, the operator must make sure the coating temperature is correct and the material is “on ratio.” A metalized coating system is also more difficult to apply because special contractors and equipment are needed to apply them, and a higher degree of surface preparation is required. One advantage to metalizing, however, is that it can be applied in the colder winter months if proper dehumidification equipment is used. The SSPC-CS 23.00/AWS C2.23/NACE No. 12 joint standard is an excellent Equipment used in the application of metalized coating guide to use for specifying and evaluating metalizing systems. Resistance to Abrasion Applied correctly, polyurethane coatings for tank interiors are very resistant to ice damage, which is the only abrasion to which they are really subjected. Metalized coatings also have excellent resistance to corrosion and abrasion. 11 Ease of Topcoating It is not normally cost effective to topcoat standard epoxy interior tank coatings. However, when ultra-high-performance coatings are applied correctly, they may be very difficult to remove, and topcoating may therefore be an option. With the long expected service life of ultra-high-performance systems, the need to topcoat has not come up yet. Based on experience so far, it is expected that spot repair will extend the life of these coatings in water tank service. However, the surface will need to be well abraded before any spot touch-up. Corrosion Resistance Metalizing and a zinc primer under an epoxy or polyurethane topcoat are the only tank interior coating systems that offer corrosion resistance. Epoxy and polyurethane coatings offer a barrier, and polyurethanes have especially good resistance to coating “undercut,” should a coating break occur. (Undercut occurs where corrosion works its way under a coating and enables a coating failure spot to develop.) A metalized system has excellent resistance to corrosion. Specialized Test Equipment High voltage holiday testing is required for polyurethane tank interior coating systems that are applied at more than 20 mils of dry film thickness. This test is more involved and more difficult to use than the standard low-voltage test. Cost of Materials Metalizing is very expensive but has one of the longest life expectancies of any of the coatings discussed. A sealer or finish coat is often recommended. Conclusion It is important to take into consideration many criteria when designing a coating system for each tank coating specification. Items to consider include the following. • In what environment is the tank located? • What are the constraints of the tank site? • What is the design of this tank? • What is the present condition of the coating? • What are the types of coating failures observed on this tank, why did they occur, and what can be done to correct them? • Where are the existing corrosion problems on this tank? • What time of year and for how long can the tank be taken out of service for painting? • What are the owner’s short and long-termplans for this tank? What is the right coating system for your water storage tank? Now, more than ever, tank owners and operators need expert, unbiased, third-party input to make this complex decision. Michael Doolittle has worked for Tank Industry Consultants (TIC) for 25 years. Formerly TIC’s field services manager, he continues to be one of the primary liaisons between owners and contractors. He conducts failure analyses, is involved in dispute resolution, attends pre-construction meetings on behalf of tank owners and TIC, and is responsible for project administration duties. Mr. Doolittle is a Level III NACE Certified Coating Inspector, an SSPC Protective Coating Specialist, and an American Welding Society Welding Inspector. He has written several articles for JPCL. JPCL Coating Systems for Water Works 12 Coating System Guide for Water Works Listings are alphabetized by company name. Exterior Exposure Weathering and UV Steel +"1. +1$ !01.'+% , 0" EP521/EX-2C Epoxy (1-2 Coats)/Urethane ,*-,/'0# #!&+,),%'#/ CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac +#!,+ ,.-,. 0',+ Chemclad Epoxy/Epoxy 100% Solids +"1.,+ , 0'+%/ +! Perma-Gloss Inorganic Zinc/Epoxy/Fluorourethane +2'.,+*#+0 ) .,0#!0'2# , 0'+%/ +! E-4000 One Coat Zinc-Rich, Organic +"1/0.' ) +,0#!& +! Nansulate PT Thermal Spray 2')',+ +! PPG Epoxy/Epoxy/Siloxane -,45 #!& +0#.+ 0',+ ) MPC Plastico Organic Zinc/Epoxy/Urethane +0#%1*#+0 #!&+,),%'#/ +! FluoroGrip Sheet Lining, Thermoplastic )1# 0#. .'+# +" .,0#!0'2# , 0'+%/ Marine AC70/Marine Urethane Epoxy/Polyester/Polyester .%,+ .*,. Novocoat Epoxy 100% Solids (1 or 2 Coats) +0#.+ 0',+ ) '+0 International Organic Zinc/Epoxy/Urethane ,3#./ +"1/0.' ) Gulf Coast Paint Epoxy (1-2 Coats)/Urethane )#4!.#0# #!&+,),%'#/ 0" Cemprotec Epoxy (1-2 Coats)/Acrylic (1-2 Coats) *#.'! + $#05 #!&+,),%5 AS-250 Epoxy/Epoxy/Epoxy ,4 +"1/0.'#/ +! Fox FX-501M Elastomeric Coating Other ,)5 -#! 101. , 0'+%/ Futura-Thane Epoxy (1-2 Coats)/Urethane +"1/0.'#/ IronBond 111 Other . ,)'+# ,*- +5 Carboxane Organic Zinc/Siloxane #0!, Perlastic SG Coal Tar/Asphalt , 0'+%/ +! Rustop/SP-X Silicone Poly Plus Epoxy (1-2 Coats)/Urethane .0 , 0'+%/ +! HP-105 Urethane/Urethane &#*!, +0#.+ 0',+ ) 0" Epo-chem RL 500PF Epoxy/Epoxy/Epoxy !, #/0#.+ GacoFlex S20 Other ,..,/',+ ,+0.,) , Techni-Plus UR-5 Urethane/Urethane ,.!&#* ,.-,. 0',+ Corchem 97/260/274 (8 0 0) 7 2 2 - 6 7 2 1 Organic Zinc/Epoxy/Urethane .,+ .,"1!0/ +! Mortarthane/Accelaresin Polyurea Hybrid (1, 2, or 3 Coats) www.3m.com/corrosion ,.,0#!& '%& #.$,.* +!# , 0'+%/ Cortech 3M Corrosion Protection Products Organic Zinc/Epoxy/Urethane Scotchkote Fusion-Bonded Epoxy (1-2 Coats) ,0# +"1/0.'#/ +! ABRI Industries Durabak 18/Durabak 18 Smooth IronBond111 Urethane/Urethane Other #+/, ,.0& *#.'! Avilion Denso Inc. Wasser Tape Wraps MCU Zinc Rich/MCU/MCU #2,# +0#.+ 0',+ ) '+0 Blue Water and Protective Devoe High Marine Performance Coatings Coatings Marine Urethane Epoxy (1-2 Coats)/Urethane Epoxy/Polyester/Polyester ' Bowers *,+" Industrial ,%#) '+0 ,*- +5 Finium Gulf DTM-AT Coast Other Epoxy (1-2 Coats)/Urethane 1.,* . +! Chemical Bridgeport HPL-1110 GA 27P Epoxy 100% Solids Epoxy 100% Solids(1(1oror2 2Coats) Coats) #*-#. 5/0#* *#.'! Kemperol 2K-PUR Urethane/Urethane 0" +! #*'0# .,"1!0/ +! Fibre-Prime Other #+!# ,..,/',+ #.2'!#/ PetroGard Tape Wraps ), ) !, #!&+,),%'#/ Endura-Flex Urethane Elastomeric (1 Coat) ,)' .'" , 0'+%/ +! Polibrid 705 Urethane Elastomeric (1 Coat) 1)$ , /0 '+0 $% +! GCP Epoxy (1-2 Coats)/Urethane ,)5!, 0 .,"1!0/ Polyeuro 7502 Polyurea Pure (1, 2, or 3 Coats) #*-#) +! 17360/17630-3/5595U Epoxy (1-2 Coats)/Urethane ,)5 -#! &',(,) PolySpec TuffRez Epoxy/Epoxy 100% Solids #.#/'0# .,0#!0'2# , 0'+%/ CSE-6200/UC-5500 Epoxy (1-2 Coats)/Urethane ,. +! Por-15 Urethane/Urethane '%&) +" +0#.+ 0',+ ) +! 475R Dry-Fall/68R Dry-Fall Epoxy (1-2 Coats)/Urethane , 0'+%/ PPC Coatings Other Water Works 13 1/3&$3*5& "1*.& /"3*.(2 Amercoat Epoxy (1-2 Coats)/Urethane /,5&1*.& /"3*.(2 /10/1"3*/. LiquaTile Epoxy 100% Solids (1 or 2 Coats) )*./ *.*.(2 /10/1"3*/. SolarMax Urethane/Urethane /%%" "*.3 /10/1"3*/. RoPon/Polycoat HS Epoxy (1-2 Coats)/Urethane /5", /10 Roval R22 Cold Galvanizing Compound Zinc-Rich, Organic 423 4,,&3 Rust Bullet Standard Other 423 ,&4- /10/1"3*/. 9100/9400 System Epoxy (1-2 Coats)/Urethane "4&1&*2&. .$ Sauereisen Urethane/Urethane )&16*. *,,*"-2 Macropoxy 646/Hi-Solids Polyurethane Epoxy (1-2 Coats)/Urethane 0&$*",38 1/%4$32 .$ Polyshield HT-100F, AMP 100, CAP 100 Polyurea Pure (1, 2, or 3 Coats) 3*1,*.( ,/8% 1/40 ,$ Integritank Methyl Methacrylate/Methyl Methacrylate &1-"1423 &$)./,/(*&2 Termarust TR2000 HR CSA Series Calcium Sulphonate &2," "./ /"3*.(2 3% Teslan Zinc-Rich, Organic 3% .&-&$ /-0".8 .$ Hydro-Zinc/UVX/HydroFlon Organic Zinc/Urethane/Urethane /0 &$1&3 /"3*.(2 Top Secret Alkyd/Alkyd/Silicone Alkyd 23 &.3418 /"3*.(2 .$ FPUWC1 Inorganic Zinc/Epoxy/Fluoropolymer /"3*.(2 EpoxyGrip/UreGrip Epoxy (1-2 Coats)/Urethane &12" ,&7 .$/10/1"3&% FSS 50 DM Polyurea Pure (1, 2, or 3 Coats) *241/. &$)./,/(*&2 .$ PolyArmor, PolyPro Polyurea Pure (1, 2, or 3 Coats) /,"3*,& 1&& .$ Volatile Free, Inc. Polyurea Pure (1, 2, or 3 Coats) "22&1 /10/1"3*/. Wasser MCU Zinc Rich/MCU/MCU "32/. /"3*.(2 .$ Aqua-Shield Alkyd/Acrylic/Acrylic ",*#41 /.2314$3*/. 823&-2 .$ UraLock UV Organic Zinc/Epoxy/Urethane 41/-"1 .$ HPL-1110 Epoxy 100% Solids (1 or 2 Coats) /1,%6*%& ZRC-221 Cold Galvanizing Compound Zinc-Rich, Organic .%41" ".4'"$341*.( / 3% HiBuild/EX-2C Epoxy (1-2 Coats)/Urethane Exterior Exposure Weathering and UV Concrete .%4231*&2 Concrete Bond WR Other $18,* /. ,//1*.( /,43*/.2 AcryliCon - Decor Other %5".$&% )&-*$", &$)./,/(*&2 .$ Sil-Act Siloxane/Siloxane .%&+ /10/1"3*/. Polagard Alkyd/Acrylic/Acrylic 5*,*/. .$ PPG Epoxy/Epoxy/Siloxane /6&12 .%4231*", Duromar Epoxy 100% Solids (1 or 2 Coats) &3$/ Perlastic SG Coal Tar/Asphalt )&1-*/. Thermion Thermal Spray &3",*9*.( 823&-2 TMS Metalizing Thermal Spray ! *"-/.% /(&, "*.3 /-0".8 Vers-Acryl 200/Vers-Acryl 222 Other )&-$/ .3&1."3*/.", 3% Epo-chem RL 500PF Epoxy/Epoxy/Epoxy /.$1&3& /,43*/.2 *5 /' )*./ *.*.(2 /10 Epoxy 200 Epoxy/Epoxy 100% Solids /002 .%4231*&2 .$ Armorgard 700UV Epoxy 100% Solids (1 or 2 Coats) /1$)&- /10/1"3*/. Corchem 260/274 Epoxy (1-2 Coats)/Urethane /1/3&$) *() &1'/1-".$& /"3*.(2 Corotech Epoxy (1-2 Coats)/Urethane /11/ )*&,% .3&1."3*/.", .$ Corro Aqua-Shield Epoxy/Epoxy/Epoxy /3& .%4231*&2 .$ Durabak 18/Durabak 18 Smooth Urethane/Urethane 1/22'*&,% 1/%4$32 /10 Dex-O-Tex Epoxy (1-2 Coats)/Urethane 1/6. /,8-&12 CrownPro 6 No VOC Polyurea Pure (1, 2, or 3 Coats) &.2/ /13) -&1*$" Denso Tape Wraps &5/& .3&1."3*/.", "*.3 Devoe High Performance Coatings Epoxy (1-2 Coats)/Urethane .&$/. /10/1"3*/. Chemclad Epoxy/Epoxy 100% Solids 0/78 &$) .3&1."3*/.", MPC Plastico Epoxy (1-2 Coats)/Urethane 1(/. 1-/1 Novocoat Epoxy/Epoxy 100% Solids 4$,*% )&-*$", /-0".8 Tammscoat Alkyd/Acrylic/Acrylic ,&7$1&3& &$)./,/(*&2 3% Cemprotec Other /7 .%4231*&2 .$ Fox FX-501 Elastomeric Coating Other /"3*.(2 .$ Bio-Safe Prime & Seal/MaxLife Alkyd/Acrylic/Acrylic "$/ &23&1. GacoFlex S20 Other "1/. 1/%4$32 .$ Moratarthane/Accelaresin Polyurea Hybrid (1, 2, or 3 Coats) &-*3& 1/%4$32 .$ Tuff-Flex CA Other ,/#", $/ &$)./,/(*&2 Endura-Flex Urethane Elastomeric (1 Coat) 4,' /"23 "*.3 '( .$ GCP Epoxy (1-2 Coats)/Urethane &-0&, .$ 553US/17630-3/5595U Epoxy (1-2 Coats)/Urethane &1&2*3& 1/3&$3*5& /"3*.(2 CSE-6200/UC-5500 Epoxy (1-2 Coats)/Urethane /-0/2*3& &$)./,/(*&2 CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac .%41/. /"3*.(2 .$ AC403 Elastomeric Coating Other .%4231*", "./3&$) .$ Nansulate GP Thermal Spray .3&(4-&.3 &$)./,/(*&2 .$ FluoroGrip Sheet Lining, Thermoplastic -&1*$". "'&38 &$)./,/(8 AS-250 Epoxy/Epoxy/Epoxy /,8 0&$ 4341" /"3*.(2 Futura-Thane Epoxy (1-2 Coats)/Urethane Water Works 14 #24 0#4+/)3 /% HP-105 Urethane/Urethane 02203+0/ 0/420Techni-Plus UR-5 Urethane/Urethane 1'%+#-49 20&5%43 /% Polyprime-100, Polyshield HT-100F, AMP 100 Polyurea Pure (1, 2, or 3 Coats) 0 4& 4+2-+/) -09& 2051 -% Integritank Methyl Methacrylate/Methyl Methacrylate *'.%0 /4'2/#4+0/#- 4& Epo-chem RA 500M Epoxy Flake Filled/Epoxy Flake Filled /&5342+'3 CIM Urethane Elastomeric (1 Coat) '.1'2 934'. .'2+%# /% Kemperol 2K-PUR Urethane/Urethane '2.#2534 '%*/0-0)+'3 Termaflex TX4000 Series Other '60' /4'2/#4+0/#- #+/4 Devoe High Performance Coatings Epoxy/Epoxy/Epoxy '9 '3+/ 0.1#/9 Plasti-Chemie Methyl Methacrylate/Methyl Methacrylate /'.'% 0.1#/9 /% EpoxoBloc WB/Enviro-Crete Epoxy (1-2 Coats)/Acrylic (1-2 Coats) 520.#2 /% HPL-1110 PW Epoxy 100% Solids (1 or 2 Coats) 2940/ /4'2/#4+0/#- /% Krystol T1, Krystol T2 Other 01 '%2'4 0#4+/)3 Top Secret Alkyd/Alkyd/Silicone Alkyd /'%0/ 02102#4+0/ Chemclad Epoxy/Epoxy Novolac/Epoxy Novolac /% Marseal 4000 Sheet Lining, Thermoplastic 024*'2/ /&5342+'3 /% Hydro-Seal 75 Epoxy Novolac (1 or 2 Coats) 34 '/4529 0#4+/)3 /% FPUWC1 Epoxy (1-2 Coats)/Fluoropolymer /6+20-+/' /4'2/#4+0/#- #+/4 Enviroline Epoxy 100% Solids (1 or 2 Coats) 0#4+/)3 EpoxyGrip/UreGrip Epoxy (1-2 Coats)/Urethane 1089 '%* /4'2/#4+0/#Uroflex 61 Epoxy/Epoxy 100% Solids 08 2'4' 20&5%43 2051 Nox-Carb Stain & Sealer Siloxane/Siloxane '23# -'8 /%02102#4'& FSS 45 DC Polyurea Pure (1, 2, or 3 Coats) 2)0/ 2.02 ErgonArmor Coal Tar/Asphalt #%+(+% 0-9.'23 +6+3+0/ 0( ! Elasto-Deck 6500 Polyurea Pure (1, 2, or 3 Coats) '8%0/ *'.+%#-3 Powercoat Epoxy (1-2 Coats)/Urethane -'8%2'4' '%*/0-0)+'3 4& Cemprotec Other 0-+$2+& 0#4+/)3 /% Polibrid 705 Urethane Elastomeric (1 Coat) +3520/ '%*/0-0)+'3 /% PolyArmor, PolyPro Polyurea Pure (1, 2, or 3 Coats) #%0 !'34'2/ GacoFlex LM 60 Urethane Elastomeric (1 Coat) 0-9%0#4 20&5%43 Polyeuro 7502 Polyurea Pure (1, 2, or 3 Coats) 0-#4+-' 2'' /% Volatile Free, Inc. Polyurea Pure (1, 2, or 3 Coats) -0$#- %0 '%*/0-0)+'3 Endura-Flex Urethane Elastomeric (1 Coat) 0-9 1'% *+0,0PolySpec TuffRez Epoxy/Epoxy 100% Solids !#33'2 02102#4+0/ Wasser MCU/MCU/MCU 02 /% Por-15 Urethane/Urethane !#430/ 0#4+/)3 /% Aqua-Shield Methyl Methacrylate/Methyl Methacrylate '2'3+4' 204'%4+6' 0#4+/)3 Heresite CSE-6000 Epoxy/Epoxy/Epoxy 0.103+4' '%*/0-0)+'3 CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac 0#4+/)3 PPC Coatings Other !0-6'2+/' 0#4+/)3 02102#4+0/ LiquaTile Epoxy 100% Solids (1 or 2 Coats) /&520/ 0#4+/)3 /% Perma-Clean 100 Ceramic Epoxy Epoxy 100% Solids (1 or 2 Coats) 204'%4+6' #2+/' 0#4+/)3 Amercoat Epoxy (1-2 Coats)/Urethane " /&5342+#- 0#4+/)3 0( 0-02#&0 Multiple brands Polyurea Hybrid (1, 2, or 3 Coats) 20('33+0/#- 20&5%43 0( #/3#3 /% Professional Water Sealant PWS-5 Regular Other 2030%0 /% Weather Seal Siloxane/Siloxane #+/)5#2& Clear Seal Urethane/Urethane *+/0 +/+/)3 02102#4+0/ SolarMax Urethane/Urethane 0&&# #+/4 02102#4+0/ RoPon HS/Polycoat HS Epoxy (1-2 Coats)/Urethane 534 -'5. 02102#4+0/ 9100/9800 System Epoxy (1-2 Coats)/Urethane #5'2'+3'/ /% Sauereisen Urethane/Urethane *'27+/ !+--+#.3 Macropoxy 646/Hi-Solids Polyurethane Epoxy (1-2 Coats)/Urethane #-+$52 0/3425%4+0/ 934'.3 /% AntiCarb S Other Immersion Exposure Potable Water Approved Steel ! *'34'240/ 0 0.103+4'3 ARC PW Epoxy 100% Solids (1 or 2 Coats) /&5342+'3 Abri Universal Sealer - Marine Other 6+-+0/ /% PPG Epoxy Novolac (1 or 2 Coats) 07'23 /&5342+#Duromar Epoxy 100% Solids (1 or 2 Coats) #2$0-+/' 0.1#/9 Carboguard Epoxy/Epoxy/Epoxy 0/ '%* 0( #-+(02/+# /% Hydro-Pox Epoxy/Epoxy 100% Solids /4')5.'/4 '%*/0-0)+'3 /% FluoroGrip Sheet Lining, Thermoplastic /4'2/#4+0/#- #+/4 Enviroline Epoxy/Epoxy 100% Solids ! '6%0/ Brushable Ceramic Epoxy/Epoxy/Epoxy ! 0-9 1'% 5452# 0#4+/)3 Protec II Polyurea Hybrid (1, 2, or 3 Coats) #4+0/#- #+/4'/#/%' 20&5%43 49 Jaxxon Epoxy/Epoxy 100% Solids 4& 1'%+#-49 20&5%43 NSP-120 High Performance Epoxy Coating Epoxy 100% Solids (1 or 2 Coats) 0-+$2+& 0#4+/)3 /% Polibrid 705 Urethane Elastomeric (1 Coat) 0-9%0#4 20&5%43 Polyeuro 5502 NSF Polyurea Pure (1, 2, or 3 Coats) Water Works ,/ +" Por-15 Urethane/Urethane /,1$"1(3$ /(+$ , 1(+&0 Amercoat Epoxy 100% Solids (1 or 2 Coats) 2 +12* /,2Precidium P-180D, Precidium 650PW Polyurea Pure (1, 2, or 3 Coats) 3$+ (+(+& 601$*0 Raven Lining Systems Epoxy 100% Solids (1 or 2 Coats) '(+, (+(+&0 ,/-,/ 1(,+ Rhino Extreme PW Polyurea Pure (1, 2, or 3 Coats) 201 )$2* ,/-,/ 1(,+ W9200 System Epoxy/Epoxy/Epoxy 2$/$(0$+ +" Sauereisen Urethane/Urethane '$/4(+ ())( *0 Copoxy Primer/Mac 646 PW Epoxy/Epoxy/Epoxy -$"( )16 /,#2"10 +" Watersafe Primer, Watersafe 100-NSF Polyurea Polyurea Pure (1, 2, or 3 Coats) -$"1/ '($)# (+$/ 601$*0 SpectraGarde Urethane/Urethane Water Works 15 Immersion Exposure Potable Water Approved Concrete '$01$/1,+ , ,*-,0(1$0 ARC PW Epoxy 100% Solids (1 or 2 Coats) +#201/($0 Abri Universal Sealer - Marine Other #3 +"$# '$*(" ) $"'+,),&($0 +" Sil-Act Siloxane/Siloxane 3()(,+ +" PPG Epoxy Novolac (1 or 2 Coats) ,4$/0 +#201/( ) Duromar Epoxy 100% Solids (1 or 2 Coats) /!,)(+$ ,*- +6 Reactamine Polyurea Pure (1, 2, or 3 Coats) ,+ $"' ,% )(%,/+( +" Hydro-Pox Epoxy/Epoxy 100% Solids '$*", +1$/+ 1(,+ ) 1# Epo-chem RA 500M Epoxy Flake Filled/Epoxy Flake Filled +#201/($0 CIM Urethane Elastomeric (1 Coat) $3,$ +1$/+ 1(,+ ) (+1 Devoe High Performance Coatings Epoxy/Epoxy/Epoxy 2/,* / +" HPL-1110-PW Epoxy 100% Solids (1 or 2 Coats) +$",+ ,/-,/ 1(,+ Chemclad Epoxy/Epoxy Novolac/Epoxy Novolac +3(/,)(+$ +1$/+ 1(,+ ) (+1 Enviroline Epoxy 100% Solids (1 or 2 Coats) -,56 $"' +1$/+ 1(,+ ) Epoxytec CPP Epoxy 100% Solids (1 or 2 Coats) /&,+ /*,/ ErgonArmor Coal Tar/Asphalt 2")(# '$*(" ) ,*- +6 HeyDi K-11 Other )$5"/$1$ $"'+,),&($0 1# Cemprotec Other ", $01$/+ GacoFlex LM 60 Urethane Elastomeric (1 Coat) -/ 6/,. +" Spraywall/Sprayshield Urethane/Urethane 1(/)(+& ),6# Permare Other /,2- )" '$/*(,+ Thermion Thermal Spray +$*$" ,*- +6 +" Hydro-Zinc/Pota-Pox Organic Zinc/Epoxy/Epoxy 01 $+12/6 , 1(+&0 +" FPUWC15PW Epoxy (1-2 Coats)/Fluoropolymer , 1(+&0 GripLine Epoxy/Epoxy 100% Solids $/0 )$5 +",/-,/ 1$# AquaVers 405 Polyurea Pure (1, 2, or 3 Coats) 00$/ ,/-,/ 1(,+ Wasser Polyurea Pure (1, 2, or 3 Coats) ,)3$/(+$ , 1(+&0 ,/-,/ 1(,+ LiquaTile Epoxy 100% Solids (1 or 2 Coats) )(!2/ ,+01/2"1(,+ 601$*0 +" EpoxySeal PW Organic Zinc/Epoxy/Epoxy Click our Reader e-Card at paintsquare.com/ric Click our Reader e-Card at paintsquare.com/ric (02/,+ $"'+,),&($0 +" PolyArmor, 1010PW Polyurea Pure (1, 2, or 3 Coats) Water Works 16 8,.,10 0& PPG Epoxy Novolac (1 or 2 Coats) (/,6( 41'7&65 0& Cem-Flex ST Other 14214$6,10 Elastocoat Urethane/Urethane .1%$. &1 (&+01.1*,(5 Endura-Flex Urethane Elastomeric (1 Coat) (0-(. 14214$6,10< 14415,10 0*,0((4,0* Acroline HDPE Sheet Lining, Thermoplastic 1/215,6( (&+01.1*,(5 CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac 2(&,$.6; 41'7&65 0& Watersafe Primer, Watersafe 100-NSF Polyurea Polyurea Pure (1, 2, or 3 Coats) 0'7410 1$6,0*5 0& Perma-Clean 100 Ceramic Epoxy Epoxy 100% Solids (1 or 2 Coats) 2(&64$ +,(.' ,0(4 ;56(/5 SpectraGarde Urethane/Urethane 0'7564,$. 1$6,0*5 1) 1.14$'1 Multiple brands Polyurea Hybrid (1, 2, or 3 Coats) 24$;413 0& Spraywall/Sprayshield Urethane/Urethane 06(*7/(06 (&+01.1*,(5 0& FluoroGrip Sheet Lining, Thermoplastic 6,4.,0* .1;' Permare Other " (8&10 Brushable Ceramic Epoxy/Epoxy/Epoxy 0(/(& 1/2$0; 0& Pota-Pox Plus Epoxy/Epoxy/Epoxy 4;610 06(40$6,10$. 0& Krystol T1, Krystol T2 Other 0& Marseal NSF & Marseal Structural Sealant Sheet Lining, Thermoplastic $6,10$. $,06(0$0&( 41'7&65 6; Jaxxon Epoxy/Epoxy 100% Solids 1.,%4,' 1$6,0*5 0& Polibrid 705 Urethane Elastomeric (1 Coat) !(45$ .(: 0&14214$6(' AquaVers 405 Polyurea Pure (1, 2, or 3 Coats) "$55(4 14214$6,10 Wasser Polyurea Pure (1, 2, or 3 Coats) 416(&6,8( $4,0( 1$6,0*5 Amercoat Epoxy 100% Solids (1 or 2 Coats) "1.8(4,0( 1$6,0*5 14214$6,10 LiquaTile Epoxy 100% Solids (1 or 2 Coats) 7$067/ 4172 Precidium P-180D, Precidium 650PW Polyurea Pure (1, 2, or 3 Coats) 0,6(' $8(0 ,0,0* ;56(/5 Raven Lining Systems Epoxy 100% Solids (1 or 2 Coats) $7(4(,5(0 0& Sauereisen Urethane/Urethane 1$6,0*5 GripLine Epoxy/Epoxy 100% Solids !,57410 (&+01.1*,(5 0& PolyArmor, 1010PW Polyurea Pure (1, 2, or 3 Coats) 14 0& Por-15 Urethane/Urethane 756 .(7/ 14214$6,10 W9200 System Epoxy/Epoxy/Epoxy 56 (0674; 1$6,0*5 0& FPUWC15PW Epoxy (1-2 Coats)/Fluoropolymer !(:&10 +(/,&$.5 Powercoat Epoxy (1-2 Coats)/Acrylic (1-2 Coats) 1.;&1$6 41'7&65 Polyeuro 1050H Urethane Elastomeric (1 Coat) +,01 ,0,0*5 14214$6,10 Rhino Extreme Polyurea Pure (1, 2, or 3 Coats) 12 (&4(6 1$6,0*5 Top Secret Epoxy (1-2 Coats)/Urethane 6' 2(&,$.6; 41'7&65 NSP-120 High Performance Epoxy Coating Epoxy 100% Solids (1 or 2 Coats) ;'41 612 4172 .& +(4/,10 Thermion Thermal Spray " 1.; 2(& 7674$ 1$6,0*5 Futura-Thane Polyurea Hybrid (1, 2, or 3 Coats) 7(56 105647&6,10 BarrierGuard Other +(49,0 ",..,$/5 SherFlex Urethane Elastomeric (1 Coat) 6*5 # $.,%74 105647&6,10 ;56(/5 0& EpoxySeal PW Organic Zinc/Epoxy/Epoxy Immersion Exposure Non-Potable Water Steel " +(56(4610 1 1/215,6(5 ARC S1 Epoxy 100% Solids (1 or 2 Coats) 6.$5 ,0(4$.5 +(/,&$.5 0& Rezklad Epoxy 100% Solids (1 or 2 Coats) .7( "$6(4 $4,0( $0' 416(&6,8( Marine AC70 Epoxy/Epoxy/Epoxy 1$6,0*5 19(45 0'7564,$. Duromar Epoxy/Epoxy 100% Solids $4%1.,0( 1/2$0; Carboguard Epoxy/Epoxy/Epoxy 10 (&+ 1) $.,)140,$ 0& Hydro-Pox Epoxy/Epoxy 100% Solids (,.&16( 06(40$6,10$. $,06 Ceilcote Epoxy/Epoxy Flake Filled/Epoxy Flake Filled (6&1 Perlastic SG Coal Tar/Asphalt +(/&1 06(40$6,10$. 6' Epo-chem RA 500M Epoxy Flake Filled/Epoxy Flake Filled 0'7564,(5 CIM Urethane Elastomeric (1 Coat) 14&+(/ 14214$6,10 Corchem 247 Epoxy Coal Tar High Build (1 or 2 Coats) 1416(&+ ,*+ (4)14/$0&( Corotech Epoxy/Epoxy/Epoxy 1$6,0*5 16( 0'7564,(5 0& Durabak/Durabak Smooth Urethane/Urethane 4190 1.;/(45 Crown Cote No VOC Epoxy/Epoxy 100% Solids (051 146+ /(4,&$ Denso Tape Wraps (81( 06(40$6,10$. $,06 Devoe High Performance Coatings Epoxy/Epoxy/Epoxy ,$/10' !1*(. $,06 1/2$0; Mult-E-Poxy 180 Epoxy/Epoxy/Epoxy 741/$4 0& HPL-1110 Epoxy 100% Solids (1 or 2 Coats) 0'74$ $07)$&674,0* 1 6' UG/HiBuild/EX-2C Inorganic Zinc/Epoxy/Urethane 0(&10 14214$6,10 Chemclad Epoxy/Epoxy 100% Solids 08,41.,0( 06(40$6,10$. $,06 Enviroline Epoxy 100% Solids (1 or 2 Coats) 21:; (&+ 06(40$6,10$. Uroflex Epoxy 100% Solids (1 or 2 Coats) 4*10 4/14 Novocoat Epoxy 100% Solids (1 or 2 Coats) Water Works Water Works 17 )"3 ."0" " %+,),$&"/ 0! Cemprotec Epoxy (1-2 Coats)/Acrylic (1-2 Coats) ,*-,/&0" " %+,),$&"/ CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac ,)& .&! , 0&+$/ + Polibrid 705 Urethane Elastomeric (1 Coat) ,3 +!1/0.&"/ + Fox FX-70-9 Hydro Ester Coating Epoxy 100% Solids (1 or 2 Coats) +!1.,+ , 0&+$/ + Perma-Clean 100 Ceramic Epoxy Epoxy/Epoxy 100% Solids ,)4 , 0 .,!1 0/ Polyeuro 5502 Polyurea Pure (1, 2, or 3 Coats) 1'& &)* * .0 1.# "/ Duplex Silicone Fouling Release Other +!1/0.& ) , 0&+$/ ,# ,),. !, Multiple brands Polyurea Hybrid (1, 2, or 3 Coats) ,)4 ,.- 0! Polycorp/Polymeric Sheet Lining, Rubber "*&0" .,!1 0/ + Fibre-Prime Other +0"$1*"+0 " %+,),$&"/ + FluoroGrip Sheet Lining, Thermoplastic ,. + Por-15 Urethane/Urethane ), ) , " %+,),$&"/ Endura-Flex Urethane Elastomeric (1 Coat) +0".+ 0&,+ ) &+0 International Epoxy/Epoxy/Epoxy 1)# , /0 &+0 #$ + GCP Epoxy/Epoxy/Epoxy "*-") + 17630-3/17630-3/17630-3 Epoxy/Epoxy/Epoxy , 0&+$/ PPC Coatings Other .,0" 0&2" .&+" Amercoat Epoxy/Epoxy/Epoxy ,)4 -" 101. , 0&+$/ Protec II Polyurea Hybrid (1, 2, or 3 Coats) "*-". 4/0"* *".& Kemperol 2K-PUR Urethane/Urethane 1 +01* .,1Precidium P-180D, Precidium 650D Polyurea Pure (1, 2, or 3 Coats) + "+(") ,.-,. 0&,+5 ,..,/&,+ +$&+"".&+$ Penncoat 227 Epoxy/Epoxy Novolac/Epoxy Novolac 0&,+ ) &+0"+ + " .,!1 0/ 04 Jaxxon Epoxy/Epoxy 100% Solids "."/&0" .,0" 0&2" , 0&+$/ Heresite CSE-6100 Epoxy Phenolic (3 Coats) -" & )04 .,!1 0/ NSP-120 High Performance Epoxy Coating Epoxy 100% Solids (1 or 2 Coats) &$%) +! +0".+ 0&,+ ) + 74 Chem-Temp Epoxy Lining Epoxy Novolac (1 or 2 Coats) "+ " ,..,/&,+ ".2& "/ PetroGard Tape Wraps 0! 2"+ &+&+$ 4/0"*/ Raven Lining Systems Epoxy 100% Solids (1 or 2 Coats) %&+, &+&+$/ ,.-,. 0&,+ Rhino TuffGrip Polyurea Pure (1, 2, or 3 Coats) ,!! &+0 ,.-,. 0&,+ RoPon HS Epoxy/Epoxy/Epoxy Click our Reader e-Card at paintsquare.com/ric Click our Reader e-Card at paintsquare.com/ric , 0&+$/ Water Works 18 0-7&3*/& 0"5*/(4 03103"5*0/ LiquaTile Epoxy 100% Solids (1 or 2 Coats) 645 6--&5 Rust Bullet Standard Other 645 -&6. 03103"5*0/ 9100 System Epoxy/Epoxy/Epoxy ! "6&3&*4&/ /$ Sauereisen Urethane/Urethane )&38*/ *--*".4 Macropoxy 646 Epoxy/Epoxy/Epoxy 1&$*"-5: 30%6$54 /$ Synergy Series Aquaseal-UB, Polyshield HT-SL Polyurea Pure (1, 2, or 3 Coats) 1&$53" )*&-% */&3 :45&.4 SpectraShield Polyurea Hybrid (1, 2, or 3 Coats) 13":302 /$ Spraywall/Sprayshield Urethane/Urethane 5*3-*/( -0:% 3061 -$ Integritank Methyl Methacrylate/Methyl Methacrylate 6#4&" /%6453*&4 Ecospeed Vinyl Ester/Vinyl Ester/Vinyl Ester &4-" "/0 0"5*/(4 5% Teslan Zinc-Rich, Organic &5"-*;*/( :45&.4 TMS Metalizing Thermal Spray "-*#63 0/4536$5*0/ :45&.4 /$ EpoxySeal PW Organic Zinc/Epoxy/Epoxy &/40 035) .&3*$" Denso Tape Wraps 03-%8*%& ZRC-221 Cold Galvanizing Compound Zinc-Rich, Organic &70& /5&3/"5*0/"- "*/5 Devoe High Performance Coatings Epoxy/Epoxy/Epoxy Immersion Exposure Non-Potable Water Concrete )&45&350/ 0 0.104*5&4 ARC CS2 Epoxy 100% Solids (1 or 2 Coats) %7"/$&% )&.*$"- &$)/0-0(*&4 /$ Sil-Act Siloxane/Siloxane /%&, 03103"5*0/ Cocoon Vinyl Ester/Vinyl Ester/Vinyl Ester 5-"4 */&3"-4 )&.*$"-4 /$ Chempruf Epoxy/Epoxy Flake Filled/Epoxy Flake Filled 7*-*0/ /$ PPG Epoxy Novolac (1 or 2 Coats) )&3.*0/ Thermion Thermal Spray 5% /&.&$ 0.1"/: /$ Hydro-Zinc/Hi-Build Epoxoline II Organic Zinc/Epoxy/Epoxy 01 &$3&5 0"5*/(4 Top Secret Epoxy (1-2 Coats)/Urethane 45 &/563: 0"5*/(4 /$ FPUWC15 Epoxy (1-2 Coats)/Fluoropolymer 0"5*/(4 GripLine Epoxy Novolac (1 or 2 Coats) &34" -&9 /$03103"5&% FSS 50 DM Polyurea Pure (1, 2, or 3 Coats) *4630/ &$)/0-0(*&4 /$ PolyArmor, 1010PW Polyurea Pure (1, 2, or 3 Coats) 0-"5*-& 3&& /$ Volatile Free, Inc. Polyurea Pure (1, 2, or 3 Coats) "44&3 03103"5*0/ Wasser MCU Zinc Rich/MCU/MCU 05& /%6453*&4 /$ Durabak/Durabak Smooth Urethane/Urethane 03103"5*0/ Elastocoat Urethane/Urethane 08&34 /%6453*"Duromar Epoxy/Epoxy 100% Solids "3#0-*/& 0.1"/: Plasite Epoxy 100% Solids (1 or 2 Coats) 0/ &$) 0' "-*'03/*" /$ Hydro-Pox Epoxy/Epoxy 100% Solids &*-$05& /5&3/"5*0/"- "*/5 Ceilcote Epoxy/Epoxy Flake Filled/Epoxy Flake Filled &5$0 Perlastic SG Coal Tar/Asphalt )&.$0 /5&3/"5*0/"- 5% Epo-chem RA 500M Epoxy Flake Filled/Epoxy Flake Filled )&. 0 :45&.4 CCS Coating General Purpose Epoxy 100% Solids (1 or 2 Coats) /%6453*&4 CIM Urethane Elastomeric (1 Coat) 0114 /%6453*&4 /$ Armorgard 500 Epoxy/Epoxy 100% Solids 03$)&. 03103"5*0/ Corchem 247 Epoxy Coal Tar High Build (1 or 2 Coats) 0305&$) *() &3'03."/$& 0"5*/(4 Cortech Epoxy/Epoxy/Epoxy 0330 )*&-% /5&3/"5*0/"- /$ Corro-Cote Epoxy 100% Solids (1 or 2 Coats) *".0/% 0(&- "*/5 0.1"/: Mult-E-Poxy 180 Epoxy/Epoxy/Epoxy 630."3 /$ HPL-1110 Epoxy 100% Solids (1 or 2 Coats) /%63" "/6'"$563*/( 0 5% HiBuild/EX-2C Epoxy (1-2 Coats)/Urethane /&$0/ 03103"5*0/ Chemclad Epoxy/Epoxy 100% Solids /7*30-*/& /5&3/"5*0/"- "*/5 Enviroline Epoxy 100% Solids (1 or 2 Coats) /7*30/.&/5"- 305&$5*7& 0"5*/(4 /$ E-300 Coal Tar Urethane/Urethane 109: &$) /5&3/"5*0/"Epoxytec CPP Epoxy/Epoxy 100% Solids 3(0/ 3.03 Novocoat Epoxy/Epoxy 100% Solids 6$-*% )&.*$"- 0.1"/: Duralkote 240 Epoxy/Epoxy 100% Solids -&9$3&5& &$)/0-0(*&4 5% Cemprotec Other 09 /%6453*&4 /$ Fox FX-70-9 Hydro Ester Coating Epoxy 100% Solids (1 or 2 Coats) 6+* *-. ."35 63'"$&4 Duplex Silicone Fouling Release Other &.*5& 30%6$54 /$ Cem-Kote CW Plus Other -0#"- $0 &$)/0-0(*&4 Endura-Flex Urethane Elastomeric (1 Coat) 6-' 0"45 "*/5 '( /$ GCP Epoxy/Epoxy/Epoxy &/,&- 03103"5*0/< 03304*0/ /(*/&&3*/( Tufchem II Membrane Urethane Elastomeric (1 Coat) &3&4*5& 305&$5*7& 0"5*/(4 Heresite HCR-1100 Polyester/Polyester/Polyester 0.104*5& &$)/0-0(*&4 CarbonSeal Epoxy/Epoxy Novolac/Epoxy Novolac Water Works Water Works 19 +"2/,+ , 1'+%0 +! 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