ru-200 roofing underlayment - WaterBlock® Building Systems
RU-200 ROOFING UNDERLAYMENT
WaterBlock® RU-200 is a premium roofing
underlayment that delivers exceptional long term
weather barrier performance compared to both
traditional asphalt felt products and other
WaterBlock® RU-200 is a 100% synthetic
underlayment with slip-resistant coatings on both
sides. The bottom is designed to reduce slippage
between the underlayment and the roof sheathing.
The textured top side contains a rubberized
polyolefin coating offering unsurpassed slip
resistance. The unique, patent pending, feature
provides a more secure and safer work surface.
• 7x lighter than 30# felt
• 20x stronger than 30# felt
• UV resistant
• Slip resistant surface
• 5x more coverage than a typical 30# felt roll
• Preprinted lap lines and fastening points
• Will not support mold growth, rot, or dryout as it contains no asphalt.
45” x 266’ 8” (10 squares)
Approx. net coverage 9.20 squares w/4” laps
45” x 115’ 2” (4 squares)
Approx. net coverage 4.32 squares w/4” laps
Health and Safety
Please refer to the MSDS for First Aid Information.
Most current MSDS’s can be found on the
WaterBlock website at www.waterblocksystems.com
or call customer service at 1-888-610-2151.
Warranty (25 year limited)
Please refer to the warranty on our website at
www.waterblocksystems.com for more detailed
information on our 25 year limited warranty.
International Building Components, Inc.
21428 Woods Creek Road
Monroe, WA, 98272 USA
Telephone - (360)794.2151
Fax - (360)863.8434
Toll Free - 1.888.610.2151
Web - www.waterblocksystems.com
Strip Tensile (N/5cm)
Tensile Strength (N/5cm)
Moisture Vapor Transmission
Nail Seal Ability
Low Temp Flexibility
UV stabilizer added to coating for improved UV Resistance
Warp 170 lb 756 N / Weft 130 lb 578 N
Warp 120 lb/in (1052) / Weft 85 lb/in. (745)
Warp 20% / Weft 20%
Warp 108 lb/in (950) / Weft 74 ilb/in. (650)
Warp 55 lb 244 N / Weft 50 lb 222 N
Warp 55 lb 244 N / Weft 45 lb 222 N
250 psi 1725 kPa
0.06 perms (0.41 g/day-m2)
No Cracking (Pass)
No Dripping (Pass)
Please view the RU-200 brochure (available online) for the installation instructions.
the leader in INNOVATIVE CONSTRUCTION PRODUCTS
Toll Free 1-888-610-2151 | www.waterblocksystems.com
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