A Bold Tribute

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A Bold Tribute
Summer 2015
Educating Building Owners, Architects and Contractors
Brought to you by CENTRIA
A Bold Tribute
to Rock
OHIO’S HARD ROCK
ROCKSINO NORTHFIELD
PARK CELEBRATES MUSIC,
PAST AND FUTURE
AAMA 508 AND 509
GET TO KNOW THE
TESTING METHODS
2 Cleveland Rocks
Ohio’s Hard Rock Rocksino celebrates music, past and future.
BY HENRY BURKE
5 High Note
University of Tennessee’s modern Natalie L. Haslam Music Center gestures
to the future.
BY HENRY BURKE
8 A Legacy Worthy of a Crown
Crown Corr’s extensive in-house capabilities and experience, combined with
the dealer’s partnership with CENTRIA, draw large-scale projects from across
the U.S. and beyond.
BY BETHANY DZIELSKI
10 AAMA 508 and AAMA 509
Get to know the consensus testing methods for two important types of
cladding systems.
BY KEITH BOYER, CENTRIA DIRECTOR OF ARCHITECTURAL
WALL TECHNOLOGY
12 Sweating the Details
Details, details, details. They can make a product or project something special,
or they can become a nuisance and develop into a long-term problem.
BY RICK BROW, CENTRIA DIRECTOR OF MARKETING
14 Water Is Life
Advanced water treatment plant gives water a public face with a modern
design aesthetic.
BY HENRY BURKE
Brought to you by
Little Things
Mean a Lot
Architects know as well as anyone that
the smallest details can make or break
a project. Whether in terms of performance or aesthetics, the big things and
grand strokes of design all are built on
a foundation of small details. Without
strict attention to the so-called little
things, a project can’t be expected to
JULIE PAWUK
reach its full potential.
At CENTRIA, this is a concept we understand very well. Beyond
our dedication to manufacturing excellence in the building
components we produce, we also know that getting just the right
finish, color, or profile on a panel can mean the difference between a
building fulfilling its designers’ intent or coming up short.
In “Sweating the Details” on page 12, CENTRIA Director of
Marketing Rick Brow discusses this attention to the little things and
how it drives our product development. Having a great individual
panel is one thing, but ensuring they assemble correctly together as
part of a system is one of those foundational details we focus on.
We have always felt that open dialogue between all parts of the
building team — architect, contractor, owner, and manufacturer —
creates the best results. Listening to our end users is a pillar of the
way CENTRIA operates.
To help further that dialogue with the building community,
we are proud to announce the launch of CENTRIA’s new blog,
The Reveal. This new outlet is designed to leverage CENTRIA’s
expertise with exterior metal building products and services to
provide architects, owners, and contractors with relevant, engaging
educational material. The blog is filled with eye-catching case
studies, technical information, and much more. Be sure to check
out The Reveal at blog.centriaperformance.com.
As with everything else we do, we took time to focus on the
details with The Reveal and we are proud of the resource we have
built and excited to see where it goes. We encourage you to continue
the dialogue with CENTRIA and share your project stories,
aspirations, and ideas.
For more information on CENTRIA, visit
www.CENTRIAperformance.com/metalmag.
Executive Editor
Julie Pawuk
Editorial Director
Drew Hardman
Design Director
LTD Creative
Publisher
Rick Brow
Contributing Editors
Henry Burke
Jeffrey Lee
Client Services
Simon Hyoun
Felicia Williams
On the cover: Hard Rock Rocksino | Richard L. Bowen & Associates
PRODUCT SPOTLIGHT
5
Changing Direction
Formawall® Graphix SeriesTM with Directional Reveals
Formawall Graphix Series with Directional
Reveals changes the landscape of the insulated
metal panel (IMP) by introducing the option
to add horizontal, vertical, and diagonal reveals within a single panel for a superior level
of customization.
CENTRIA’s original Graphix Series offered
an economical solution to create some of
the most distinctive panel aesthetics on the
market. The addition of Directional Reveals
greatly expands the customization features
of Formawall Graphix Series, creating the
option for multiple horizontal or vertical
reveals within a single panel, a combination of
horizontal and vertical reveals within a single
panel, or the new Sloped Reveal, which can
be placed at nearly any angle along the face of
the panel.
From an aesthetic standpoint, the marquee
attribute is the addition of Sloped Reveals.
These reveals can be applied to both horizontal and vertical panels. The innovative reveal
creates the appearance of two separate panels,
divided at an angle the architect chooses.
Sloped Reveals can be designed with various
color and texture combinations, including
smooth and embossed face textures and CENTRIA’s vast color palette.
Of course, the Directional Reveals product
line also includes standard horizontal and
vertical reveals. The product’s most impressive
feature is the ability to combine these reveals
regardless of whether it’s a horizontal- or
vertical-oriented panel. This allows architects
to create the look of up to 24 separate panels
within a single module.
With any reveal composition, the panels
can be designed with CENTRIA’s wide array
of colors and coatings — including multiple
colors on one panel — as well as smooth and
embossed face textures. Panels are available
from 10" to 40" wide and 4" to 20" long, with
size limitations based on face texture.
Thermal performance is at the core of
Formawall Graphix Series panels. Formawall
panels utilize a factory foamed-in-place polyisocyanurate foam core that reduces insulation gaps within the panel, while providing
a thermal break between metal face and
liner to eliminate heat/cold transference. The
Formawall Graphix Series with Directional
Reveals product line is available in 2", 2.5",
and 3"-T thicknesses.
Formawall panels have set the standard
as far as performance with unique pressureequalized and vented dry seal joinery. The
optional Formawall PE Vertical Seal Plate
also adds multiple lines of defense against
moisture intrusion at the vertical joint of a
horizontal panel in the form of integral gaskets, a vented drain channel, and non-curing
butyl seals.
Formawall Graphix Series with Directional
Reveals provides a significant reduction in opportunity for air and water infiltration. With
the ability to reduce the number of actual
joints on a project, Formawall Graphix Series
is the best choice for any project that requires
relatively small panels, Flemish bond patterns,
or diagonal reveals.
For more information on the new Formawall
Graphix Series with Directional Reveals,
visit www.CENTRIAperformance.com/
graphix.
Metalmag | Summer 2015
1
COVER STORY
Cleveland Rocks
Ohio’s Hard Rock Rocksino Northfield Park
celebrates music, past and future.
BY HENRY BURKE
Around the world, there are few
brands as well recognized as Hard
Rock. The iconic logo immediately
conjures a familiar atmosphere. Over
time, Hard Rock International has
grown far beyond its restaurants and
popular T-shirts. In recent years,
hotels and casinos have become a
central part of the Hard Rock family
of properties.
For the first in a line of “Rocksinos” that would offer visitors a mix of
gaming and music, Hard Rock went to
the legendary home of the Rock and
Roll Hall of Fame: Cleveland, Ohio.
Built in nearby Northfield Park and
opened in December 2013, the Hard
Rock Rocksino was designed around
an arena rock theme. While it clearly
reflects the heritage of its surroundings in Ohio, the Hard Rock Rocksino Northfield Park also provides
an atmospheric template for similar
properties to come.
“Hard Rock International is very
specific with what they determine
to be ‘the Hard Rock vibe,’” explains
David Bowen, principal at Clevelandbased Richard L. Bowen & Associates,
the architect of record on the Hard
Rock Rocksino. “It’s a certain feeling.
Their focus is delivering an aesthetic
and creating that feeling you get when
you go into a Hard Rock.”
It’s a feeling that has evolved
over time, says Michael Mangini,
design director for Atlantic City–
based SOSH Architects, the design
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Summer 2015 | Metalmag
architect and interior designer on
the project. SOSH has a long-standing relationship with Hard Rock
International and was brought on at
the concept stage. “Hard Rock is a
powerful brand, but it is not a brand
that is stuck in the past,” Mangini
says. “With the Hard Rock Rocksino project, we’re celebrating the
continuation of that brand into the
modern age.”
aesthetic,” Bowen says. “The material, the glazing, the lighting, and
everything else all worked together
to give visitors the impression that
they are walking into a special place
with a rocking vibe.” Using metal in
combination with other materials
was key to achieving the design goals.
“Basically, casinos can just be boxes,
Culture of Cleveland
Along with embodying the Hard Rock
International brand, the new Hard
Rock Rocksino also was intended to
represent the local ethos. “We wanted
to celebrate the local vernacular and
culture of the location,” Mangini says.
The design team began their work
with extensive research on the Cleveland area and Ohio and the people
who live there. “We tried to celebrate
the history of music from the Cleveland perspective. There was a lot of
local collaboration that influenced the
design directly.”
Materiality played a big role in
achieving the modern, hip aesthetic
of the Hard Rock Rocksino, and metal
was a big part of the visual feel. The
project utilizes CENTRIA’s MetalWrapTM Series insulated composite
backup panels behind masonry,
single-skin concealed fastener metal
panels, and metal composite material
(MCM) panels.
“[Metal] was definitely a part of the
and we didn’t want that. The changing
of materials really adds to the interest.
Coming down the processional to the
porte cochere into the entrance of the
building, you can feel the vibe out on
the street.”
Right on time
Though the Hard Rock Rocksino had
grand aesthetic goals, a fast-tracked
schedule meant that the design and
Metalmag | Summer 2015
3
Getting warmer
Metal’s ability to take on color also
proved to be a major advantage.
“Brock Milstein (Chairman, Hard
Rock Rocksino Northfield Park)” had
a very specific attention to detail when
it came to having the building have a
certain warmth to it,” Mangini says.
“We went through at least half a dozen
full-scale metal panel mockups to
really nail the color and texture from
the blocked metal panel. Every detail
was mocked up before we pulled the
trigger.”
CENTRIA’s innovative Allusion
print coating system enabled the panels to achieve just the right finish. “It
gave us a great outcome,” Bowen says.
“It accomplished what we wanted to
accomplish. Metal was a great material to work with and it gave us that
Hard Rock vibe on the exterior of the
building. And from an installation
standpoint, it went up very fast.”
In operation now for more than
a year, the Hard Rock Rocksino has
earned rave reviews from the owners
and local residents. It remains a draw
and has brought new vibrancy to the
community.
“I am proud of the property and
what it means to the community
there,” Mangini says. “Northfield is a
great community and the partnership
between Hard Rock and the town is
an excellent one. It has sparked a lot
of interest, a lot of employment opportunities, and the community has
done a great job. I think it’s leading to
conversations about a possible expansion. It was a thrill to work on this
project and wonderful to see what it’s
brought to the area.”
Hard Rock Rocksino
Northfield, Ohio
Architect:
Richard L. Bowen & Associates
Cleveland, Ohio
General Contractor:
Gilbane
Cleveland, Ohio
Dealer/Installer:
A.C. Dellovade, Inc.
Canonsburg, Pennsylvania
CENTRIA Products:
MetalWrapTM Series; 90,014
square feet
FormaBond®; AllusionTM Rust;
3,208 square feet
FormaBond II; Copper;
13,843 square feet
4
Summer 2015 | Metalmag
FormaBond II; Surrey Beige;
1,599 square feet
FormaBond II; Wood Violet;
1,539 square feet
Concept Series® CS-200;
Surrey Beige & Copper;
39,212 square feet
Concept Series CS-210;
Surrey Beige & Copper;
5,347 square feet
Concept Series CS-260;
Surrey Beige; 1,788 square feet
IW Series IW-10; Copper;
3,640 square feet
Profile Series Econolap; Surrey
Beige; 2,309 square feet
PROJECT PROFILE
construction team had to work closely
together and keep speed in mind.
“The duration of the project
spanned one year from design to the
ribbon cutting, so the schedule was
very aggressive,” Mangini recalls.
“It was a really intense year and an
all-hands-on-deck experience, but the
relationship between SOSH and Hard
Rock allowed us to work together
smoothly.”
For a project where
speed and appearance were both of
the essence, a metal
wall system was an
ideal solution. Its ability to install quickly
helped the design and
construction team
keep with the tight
schedule.
HIGH note
University of Tennessee’s modern
Natalie L. Haslam Music Center
gestures to the future.
BY HENRY BURKE
With roots going back to 1794, the University of
Tennessee is one of the oldest public universities
in the country. The institution has a great deal of
pride in its many academic programs, and the UT
School of Music in the College of Arts and Sciences
is no exception. The School of Music’s primary emphasis is the development of the skills, concepts, and sensitivity essential to the professional life of a musician, whether
that’s as a performer, composer, scholar, or teacher.
UT’s existing music facility was built in the 1960s and was beginning to show the stress of age. It could no longer
serve the needs of a program looking to the future and needed to be replaced. For the new, upgraded facility, the
university turned to the designers at BarberMcMurry architects, the firm that designed the original music building
half a century ago.
The design team was made up of BarberMcMurry’s vice president and director of design, Chad Boetger, and its
senior vice president and principal in charge, Kelly Headden, in collaboration with Blankenship & Partners president
and principal in charge, Bill Blankenship. “The joint venture of BMa and Blankenship divided project responsibilities,
with BMa serving as the project designer and Blankenship producing the majority of the construction documents necessary to execute the design,” Boetger says.
Once assembled, the team went to work establishing a vision for the new Natalie L. Haslam Music Center. “Working
closely with the university and the director of the School of Music, Roger Stephens, we developed a design philosophy
that would guide the creation of the facility,” Boetger recalls. “It was Roger’s vision that the new music center be a representation of the creative arts in built form. It should speak to college students and inspire them in their study of music.”
The architects sought a design that would capture the physical embodiment of music and provide light-filled environments connected to the campus to encourage creativity. “Concepts of rhythm, pattern, and repetition are conveyed in the
detailing throughout,” Boetger says.
The building houses 40 faculty studios and 45 practice rooms, as well as classrooms; administrative offices; and choral,
orchestra, percussion, and chamber music rehearsal rooms. It is organized around a 420-seat recital hall and large band
Metalmag | Summer 2015
5
room, each of which is three levels tall. Taking
advantage of natural light and views, the faculty studios, classrooms, rehearsal spaces, and
individual practice rooms wrap the exterior.
Replacing a building that had stood so long
on campus required striking a chord between
embodying the future while respecting the
past and integrating the building into its surroundings. “The site places the music center
adjacent to an existing Art + Architecture
building,” Boetger explains. “It is a modern,
cast-in-place concrete building within a neoGothic campus.” Given the adjacency, the new
music center respects the contextual massing,
setbacks, and precedents of the A+A building
while combining the brick and limestone
materiality of typical campus structures
within the composition. “The overall design provides a bridge between the modern, creative
class and the traditional
campus architecture
desired by UT
administration,” Boetger says.
Metal surfaced as a material choice because
it fit the numerous aesthetic and performance
goals the project required. “Our client wanted
a building with a modern aesthetic,” Boetger
says. “We endeavored to create a building
with clean lines and visual interest. Material
selections were required to be durable, low
maintenance, and cost effective. In addition,
the building envelope needed to provide a high
insulating value demanded by energy codes
and LEED goals.”
Sustainability is part of the DNA of the Natalie L. Haslam Music Center, which has achieved
LEED Silver certification from the U.S. Green
Building Council. Along with the insulating
value and high level of recycled content that
metal panels provide, the building collects
rainwater for irrigation, utilizes regional
materials, and features daylight harvesting.
Formawall® Dimension Series® metal wall panels from CENTRIA contribute to a strategy that
decreases energy consumption with an efficient
HVAC system working in concert with a tight
building envelope.
“Metal was a natural choice to achieve a
modern aesthetic, and it also met the criteria of
being durable and low maintenance,” Boetger
says. “By selecting a metal panel with integral
rigid insulation, we were able to simplify
the exterior building envelope system
and achieve a cost-effective, energy-efficient
design.”
The design team was able to achieve an
impressive result while working within the parameters of a budget appropriate to a learning
institution. Along with its flexibility, durability,
look, and performance, the economy of metal
was important as well.
“Meeting budgeted construction costs is
critical to success,” Boetger says. “We were
careful to plan the building to maximize
efficiencies and leverage them to produce
an impactful design. Working with the client, we selected materials and systems that
would meet their goals for function, cost, and
aesthetics.”
The finished product speaks for itself, and
the University of Tennessee is proud of the
recently Natalie L. Haslam Music Center. “The
overall reaction has been positive,” Boetger
says. “The faculty are very complimentary
of the building and student enrollment has
surged. In addition, this building is among the
greenest on campus, which is a reflection of
UT’s commitment to sustainability. Working
with Roger Stephens and the University of
Tennessee to produce this special facility was a
delight. Great design requires great clients, and
we were extremely privileged to work with a
very dedicated team with an inspired vision.”
Natalie L. Haslam Music Center
University of Tennessee, Knoxville
Architects:
BarberMcMurry architects
Knoxville, Tennessee
Blankenship & Partners
Knoxville, Tennessee
General Contractor:
Johnson & Galyon
Construction
Knoxville, Tennessee
Dealer:
MPS, Inc.
Nashville, Tennessee
Installer:
Quantum
Coraopolis, Pennsylvania
6
Summer 2015 | Metalmag
CENTRIA Products:
Formawall® Dimension
Series® 2"; Silversmith &
Silver Gray;
13,172 square feet
Formawall Dimension Series
2"; Jade Classic;
6,596 square feet
Formawall Dimension Series
3"; Silversmith;
2,878 square feet
Formawall Dimension Series
3"; Jade Classic;
3,887 square feet
Metalmag | Summer 2015
7
DEALER SPOTLIGHT
A Legacy Worthy
of a Crown
Crown Corr’s extensive in-house capabilities
and experience, combined with the dealer’s
partnership with CENTRIA, draw large-scale
projects from across the U.S. and beyond.
BY BETHANY DZIELSKI
Today, Crown Corr is an
industry-leading subcontractor specializing in metal panels,
custom metal roofing, glass,
and aluminum curtain wall. The
firm serves customers across the
United States and Puerto Rico. In
1960, however, Crown Corr was a
startup housed in Joseph Pellar’s
basement.
Before starting the business,
Joseph Pellar was an ironworker,
doing siding work in the mills.
He originally started Crown Corr
Erection as a labor contractor.
After being contracted for the
construction of the Burns Harbor
Steel Plant, Crown Corr gained
name recognition and grew
rapidly, expanding beyond the
basement office.
Today, Joseph Pellar’s son, Rich,
is principal at Crown Corr and
continues to help run the business
that his father started more than
50 years ago.
“I started working for the
company full time when I was 22
years old, but I started working
summers at the company when I
was only 13, earning a dollar an
hour,” the younger Pellar says.
With headquarters in Gary,
Indiana, and additional locations
in Texas, Georgia, and Washington state, the company has seen
incredible growth over the past
several decades. In 1976, when
Rich Pellar first started working
at Crown Corr, it was a $5 million
business. Today, the company’s
sales exceed $125 million.
“We’ve grown as the architectural market has grown,” Pellar
says. “But I attribute our success
to almost going bankrupt in 1983,
during the last recession. It forced
us to focus, develop a more profitable business, execute correctly,
and go after the right projects.”
Crown Corr prides itself on
offering single-source responsibility for its customers, including
design, engineering, shop fabrication, and complete installation of
all products offered. “Just give us
the steel frame and we’ll get the
job done,” Pellar says. “We work
with the architect and design consultants to understand the vision
for the building, and then we can
take it from there.”
With its in-house capabilities,
Crown Corr controls the entire
scope of a job. “We don’t subcontract labor,” Pellar notes. “We
control everything we do, and that
makes it easier for us to provide
flexibility and ensure excellence.”
Crown Corr specializes in stadiums and arenas, airports, convention centers, commercial office
buildings, and hospitals. “We’ve
done over 60 sports stadiums,”
Pellar says. “We will do any size
project in our backyard—within
200 miles—but when we go outside
we’re primarily contracted for large
projects.”
A win-win partnership
Crown Corr has partnered with
CENTRIA and its predecessors
since Crown Corr’s founding. The
partnership has proved to be beneficial for both companies and the
customers they serve. “CENTRIA
is the leader in the architectural
market,” Pellar says. “They offer
products that have capabilities few
other products have. We put those
products to the test on applications
and push their limits.”
CENTRIA truly develops relationships with its partners, seeking
to understand their needs and the
needs of their customers. “[Vice
President of Sales] Joe Urso knows
more about the distribution side
of the metal panel business than
anyone else,” Pellar says. “He really
understands his dealer network and
how to make us successful.”
“It’s really a win-win for everyone. CENTRIA provides good
products, allowing us to create
something that we can point to
proudly,” Pellar adds.
Rich Pellar is also an original
member of the Dealer Advisory
Council, a group that meets with
CENTRIA representatives to advise
on new products and improvements. At these meetings and
throughout the year, CENTRIA
educates the dealers on the architectural wall systems as well as on new
building codes. “When it comes
to educating their dealers about
changes in new building codes
and ensuring that we know what
we need, CENTRIA is head and
shoulders above the competition,”
Pellar says.
The partnership between
CENTRIA and Crown Corr has
resulted in many successful projects
throughout the years. Several recent ones include work done in the
San Francisco 49ers’ Levi’s Stadium,
University of Kentucky’s Commonwealth Stadium, Houston’s William
P. Hobby Airport, the Denver VA
Hospital, MGM Grand Garden
Arena in Las Vegas, and a recently
won contract for the new Atlanta
Falcons stadium.
One notable recent project is the
Miami Marlins baseball stadium.
This expansive project showcases
more than 200,000 feet of CENTRIA product, including Formawall® Dimension Series® panels,
Profile Series Exposed Fastener and
IW Series panels and EcoScreen®
perforated screenwall.
The new Marlins Park was
the first ballpark in major league
baseball to achieve LEED Gold
certification for new construction.
This 928,000-square-foot facility
is the pinnacle of modern and
energy-efficient design, featuring a retractable roof
and glass wall, as well as
other modern enhancements. Numerous steps
were taken throughout
the construction and
design process to utilize
sustainable and energyefficient materials and
products.
Due to the nature
of the project, it was
necessary for the design
teams to utilize ecoconscious and
hurricane-resistant materials in the
stadium. CENTRIA products offer
both sustainability and superior
performance compared to competitors, and many of the CENTRIA
products used in the project contain
pre- or post-consumer recycled
waste.
“CENTRIA’s products were
chosen because of their hurricane testing. They had to pass the
stringent approval process of Dade
County,” Pellar says.
On a football or baseball field,
teamwork is vital to the achievements of an organization. The
success of the hundreds of
CENTRIA–Crown Corr collaborations are a testimony to the
value of teamwork in the
built environment, too.
Crown Corr and CENTRIA collaborated on the LEED
Gold Marlins Park, the most sustainable ballpark in
major league baseball.
8
Summer 2015 | Metalmag
Metalmag | Summer 2015
9
PERFORMANCE
Tech
Bulletin
History and Use of AAMA 508 and AAMA 509
CENTRIA’s FormaBond aluminum composite material (ACM) panels provide the rain screen wall cladding system for the Baylor Charles A. Sammons Cancer Center (Perkins+Will).
BY KEITH BOYER, CENTRIA DIRECTOR OF ARCHITECTURAL WALL TECHNOLOGY
Get to know the consensus testing methods
for two important types of cladding systems.
The relatively new American
Architectural Manufacturers Association (AAMA) 508 and 509
documents can help define the
design of either a pressure-equalized rain screen (PERS) system
or a drained and back-ventilated
system for the building enclosure.
The road to developing these
documents began in 2003. At that
time many aluminum composite material (ACM) fabricators
and designers were touting their
systems as PERS systems. Some
suppliers realized there was no
clear definition of, or test protocol
for, a pressure-equalized rain
screen system in the United
States. They also realized that
many cladding systems were
being assembled over poor air
barriers such as unsealed exterior
10
Summer 2015 | Metalmag
gypsum sheathing. A task group
of ACM suppliers and fabricators
was formed and, over a period of
nearly three years, they developed
and adopted AAMA 508-05.
AAMA 508
In 2007, minor revisions were
made to the method of measuring
or observing the amount of water
contacting the air barrier, and the
standard became AAMA 50807: Voluntary Test Method and
Specification for Pressure-Equalized Rain Screen Wall Cladding
Systems.
The standard set forth testing
procedures for PERS systems. The
tested assembly must be 8' by 8'
and have an exterior rain screen
(cladding) assembled over an
imperfect air barrier with a cavity
in between. The air barrier imperfections used in the test were set
at 0.12 cfm/sf, which is four times
the commonly accepted value set
by the Air Barrier Association of
America (ABAA) of 0.03 cfm/
sf at 1.57 psf. The imperfections
were set at this level as a worst-case
assembly, simulating unsealed
exterior sheathing, since it is
harder to equalize pressure with
an imperfect air barrier. For the
test, rigid clear plastic is used as the
air barrier, and the imperfections
are designated as a series of 1/8"
diameter holes drilled through the
plastic.
To pass the test, the assembly,
which includes the exterior rain
screen, cavity, and imperfect air
barrier, has to demonstrate the
ability to equalize pressure to the
exterior through vents designed
into the cladding joinery. Per
ASTM E1233, the loads are 100
three-second cycles from 5 to 25
to 5 psf. Pressure in the cavity
must equalize with the exterior in
less than 0.08 seconds. Additionally, a series of static and dynamic
water tests are to be conducted
on the system per ASTM E331
and AAMA 501.1 at a minimum
pressure of 6.24 psf. Note that if
higher pressures are desired, the
job specification needs to indicate
the test pressure. During these
water tests, no more than 5% of
the area (3.2 sf in the 64-sf panel)
of the air barrier can be misted
without any water streaming on
the air barrier.
In summary, a PERS system,
including the cladding, cavity, and
air (imperfect) and water barriers, needs to be vented enough
through the cladding to equalize
pressure to the exterior within
0.08 sec for a 3-second load cycle
from 5 to 25 to 5 psf and allow
only a small amount of water that
can mist (without streaming) a
maximum of 3.2 sf of the air barrier in an 8' by 8' test. The system
must also be compartmentalized, which requires the number
and geometry of the vents to
be designed so that the product
performance is the same in any
compartment. By passing AAMA
508-07 at the specified test pressures the wall cladding system
meets the definition of a PressureEqualized Rain Screen.
AAMA 509
Once the AAMA 508 document
was in place for a few years, it
became evident that there were
few systems in the U.S. market
that were using the AAMA 508
test protocol. Another AAMA
task group was formed to develop
a test protocol for drained and
back-ventilated rain screen wall
cladding systems, a category
thought to encompass a larger
sampling of cladding system
designs. Many more companies
were represented in the development of this standard. The group
did not come to a consensus on
pass-fail criteria. Instead, they
agreed on a test and classification method in an effort to offer
information to the building envelope designers: AAMA 509-09,
Voluntary Test and Classification Method for Drained and
Back-Ventilated Rain Screen Wall
Cladding Systems.
Like AAMA 508, the AAMA
509 test protocol uses an 8' by 8'
assembly and a clear plastic air
barrier into which holes were
drilled to create imperfections.
The main difference is that there
is a gutter at the base of the wall to
collect any water that contacts the
air barrier and runs into the gutter. Mechanical provisions were
also used to measure the amount
of air flow through the cladding
at 1.57 psf. Hence two main data
points are reported:
1. The amount of air flow
through the cladding (more
is better to allow for drying).
2. The amount of water contacting the air barrier (less
is better).
Again, there was no consensus on pass-fail criteria for this
protocol due to the multitude
of cladding types represented in
the task group. The results for
the systems tested showed a wide
range of data, especially in the
amount of water collected. After
four 15-minute water tests (static
at 6.24 psf and 12 psf and dynamic at 6.24 psf and 12 psf), the
amount of water that contacted
the air and water barrier varied
from several gallons down to a
fraction of an ounce.
The result is a system classification for vent potential, or “V”
classification, and a number representing the water bypassing the
cladding, or “W” classification.
The higher the vent class, the
better the drying potential, and
the lower the water class, the less
water on the water barrier seals.
CENTRIA’s FormaBond II had
significant venting at 7.85 cfm/sf
through open yet protected joinery, while the water collected on
the air/water barrier was only 0.01
oz/sf total in four water tests. This
results in a V4/W1 classification.
The results are intended to
provide the design team with data
to serve as a guide to the design of
the air and water barrier and base
drainage system, as well as design
of the rain screen cladding. The job
specifications should require that
all bidders conduct this test so that
the proper test performance data is
available to the design team. This
data can also be used to compare
one system to another.
Metalmag | Summer 2015
11
THE CENTRIA
ADVANTAGE
The Formawall IMV detail (left) provides an all-metal
aesthetic versus typical gasket vertical joints, not to
mention added thermal efficiency.
Sweating
the Details
Details, details, details. They can make a product
or project something special, or they can become a
nuisance and develop into a long-term problem.
BY RICK BROW, CENTRIA DIRECTOR OF MARKETING
systems. This unique panel clip serves several
functions. It helps with panel to panel registration; mechanically attaches the panel to
the support system; and permits movement
of the panel caused by thermal expansion
and contraction or seismic situations. The
same panel clip and joinery are used for both
horizontal and vertical applied Concept Series
and Cascade panel systems. This allows the
various profiles (eight Concept Series profiles
and seven Cascade profiles) of each panel to
be interchanged.
Without this type of clip attachment, concealed fastener panel designs may suffer from
panel installation misalignment. Also, thermal
stress on the panel can elongate the fastening hole, loosening the panel attachment, or
introduce visual panel deformation, surface
waves, or oil canning in the panel face.
At CENTRIA, we pride ourselves in developing superior products and product details that
meet the growing demands for performance,
aesthetics, and sustainability.
Sometimes, we all take for granted the
simplest product detail and how it improves
the appearance and performance of a product.
Take, for instance, the Formawall® Dimension
Series® panel joinery and panel end condition.
While most pros who have used our panels
understand how our pressure-equalized horizontal joint works and performs, many may
not recognize the rather obscure transition
between the sloped drain shelf and the panel
trimless end.
The trimless end actually is notched and
bent to fit under the sloped drain shelf. This
helps provide a tighter seam, eliminates gaps
of foam exposure, and deters moisture entry
behind the trimless end. Without this special
attention to detail, there would be obvious
aesthetic and performance issues.
12
Summer 2015 | Metalmag
Advanced protection
Providing thermally efficient detailing is
among the many challenges presented when
working with IMPs. It is often too easy to
short-circuit the thermal efficiency of the
panel in perimeter detailing because IMPs
are one of the few building products that
provide a single-component solution for air
barrier, moisture barrier, vapor barrier, and
thermal barrier along with an exterior wall
surface. A simple window head detail with
a buy out window can close off the bottom
of a panel but result in thermal conductance
by the closure flash or extrusion, leading to
reduced thermal performance and, under
certain circumstances, condensation behind
the metal IMP.
CENTRIA has developed a series of IMP
details that we call advanced thermal and
moisture protection (ATMP®) technology. The
ATMP details are designed to improve the
Staying in line
Clever clip
Another hidden detail gem is the panel clip
that is used with our concealed fastened
Concept Series® and Cascade™ metal panel
inconsistent with the horizontal metal joinery,
and CENTRIA’s research with architects and
designers indicated that this detail should be
improved.
Recently, CENTRIA introduced a new detail
for the Formawall Dimension Series and Formawall Graphix Series™ horizontally installed
insulated metal panels. The Formawall IMV
(insulated metal vertical) detail improves the
aesthetics of the vertical joint by providing a
reinforced metal spline that is installed between the panels. The metal spline is available
to match the panels, or it can be provided in a
complementary color. The reinforcing material
is an EPDM foam adhered to the metal spline.
Notches in the foam of the insulated metal
panel (IMP) are placed in the factory and allow for field tolerance.
As an added benefit, the IMV detail
provides a slight improvement in thermal efficiency over the traditional gasket detail.
CENTRIA’s Formawall Dimension Series panels feature
trimless ends, which are notched and bent to fit under the
sloped drain shelf for a tighter seam.
For almost 20 years, the standard joinery
between horizontally erected insulated metal
panels was a returned edge (trimless end) at
the panel end with an applied black gasket between adjacent panels. While this detail prevented moisture intrusion, it was aesthetically
The concealed fastener panel clip, used with CENTRIA’s Concept Series and Cascade metal panel systems, permits
movement of the panel due to thermal expansion or seismic activity.
Window and wall integration is an
important part of CENTRIA’s ATMP
technology.
performance of insulated metal panels at
perimeter conditions and adjacent to other
wall materials. Foam-insulated extrusions
and continuity detailing are used to improve
overall thermal performance, maintain a
continuous air and vapor barrier, and preserve
the weather integrity of the system.
One example of this technology can be
found in our Formavue FV600 window, which
integrates with our Formawall Dimension
Series insulated metal panel. The window
head incorporates a large thermal break in
the aluminum extrusion close to the center
of the insulated glass unit. In addition, foam
is factory installed in the extruded window
frame, improving thermal performance. The
window frame has joinery similar to the
standard, panel-to-panel joinery of Formawall
Dimension Series, so the air barrier and vapor
barrier are connected continuously between
the panel and window.
Details can make or break the aesthetics,
efficiency, or performance of a product or
project. At CENTRIA we surround ourselves
with engineers, architects, building scientists,
and detailers that understand how to
develop details that work. As you can see,
at CENTRIA, we sweat the details.
Metalmag | Summer 2015
13
PROJECT PROFILE
life
is
Advanced water treatment plant gives water
a public face with a modern design aesthetic.
BY HENRY BURKE
SECO Architectural Systems was an integral part of the build team
behind the United Therapeutics facility in Research Triangle, N.C.
14
Spring 2015 | Metalmag
“Water is life.” The proud slogan of DC Water,
the District of Columbia Water and Sewage
Facility, may seem fairly obvious at first.
Everyone knows that water is a vital resource,
but few take the time to appreciate just what
that means. On a micro level, each of us needs
clean, fresh water to survive. On a macro
level, the delivery of clean water and evacuation and treatment of dirty water is one of the
most important features of human society.
In spite of its importance, water is a very
easy thing to take for granted. When the
tap is turned on, we expect water to come
out. But as recent drought conditions in
California have so clearly highlighted, water
management isn’t simple. As populations
grow and water resources become increasingly stretched, major metropolitan areas rely
on complex systems to ensure safe water and
sanitation for their citizens. Wastewater treatment plants are a big part of those strategies.
In the nation’s capital, DC Water shoulders
a big part of that water management strategy.
It receives and treats wastewater collected
from the Washington, D.C., sewer system,
as well as from the Maryland and Virginia
suburbs. More than 330 million gallons of raw
sewage flow into DC Water’s Blue Plains Advanced Wastewater Treatment Plant from area
jurisdictions each day. The plant discharges
to the Potomac estuary, and DC Water is
required to meet some of the most stringent
National Pollutant Discharge Elimination
System standards in the country.
“The Blue Plains Advanced Wastewater
Treatment Plant covers 150 acres on the bank
of the Potomac River on the southernmost
tip of the District of Columbia,” says Randy
A. Morrison, project manager with Fairfax,
Virginia–based Samaha, the design firm
tasked with giving a facelift to the DC Water
treatment plant. “This project was deemed a
‘gateway’ project by D.C. regulatory agencies
due to its high visibility upon entry to the nation’s capital. Samaha worked closely with the
U.S. Commission of Fine Arts and the D.C.
Office of Planning during the design process.”
There has been a smooth working relationship between Samaha and DC Water for quite
some time, and that familiarity came through
in this very collaborative project. “Samaha has
been providing DC Water with architectural
design services for more than ten years, at
Blue Plains and other DC Water sites around
the District,” Morrison says.
While the facility’s main role is a very functional one and its primary focus is treating the
District’s wastewater, Samaha was brought on
to explore another dimension of the building’s expression. It needed to interact with the
Metalmag | Summer 2015
15
community to better inform and educate local
residents about the importance of the work
that is done there.
“One primary goal of the project was to
represent the face of DC Water and Blue
Plains to the public,” Morrison says. “The
building serves as the primary entry point
for all visitors to the plant. The visitor center
includes interpretive exhibits that educate the
public about water treatment and DC Water’s
role as a steward of natural resources.”
To help attract positive attention to the
facility and public interest in what the organization does, the building needed to look the
part. The building needed to reflect the aspirational spirit of DC Water, and metal helped
achieve the desired look. The project utilized
CENTRIA Formawall® Dimension Series®
insulated core metal wall panels and Profile
Series Exposed Fastener Profiles BR5-36.
Custom colors were used on both products.
“The custom color panels that CENTRIA
was able to provide enabled the architecture
to incorporate DC Water’s official branding
color scheme,” Morrison explains. “The metal
panels also provide a sleek, modern design
aesthetic that contrasts successfully with the
brick patterns we borrowed from some of the
historic Art Deco buildings on the site. DC
Water wanted this building to project an eye
to the future with a nod to the past.”
The Advanced Manufacturing Research Centre
University of Sheffield , England | Bond Bryan Architects
Blue Plains Advanced Wastewater Treatment Plant
DC Water, Washington, D.C.
Architect:
Samaha Associates
Fairfax, Virginia
General Contractor:
Rand Construction
Arlington, Virginia
Dealer:
Met-Fab
Jessup, Maryland
Installer:
Autumn Contracting
Springfield, Virginia
CENTRIA Products:
Formawall® Graphix SeriesTM;
Wind Tick Blue; 7,935 square feet
Formawall Dimension Series®;
Wind Tick Blue; 1,205 square feet
Profile Series BR5-36 w/
MicroSeam® Corners; Dove Gray;
13,104 square feet
Profile Series BR5-36 w/
MicroSeam Corners; Festival
Green; 8,214 square feet
With conservation at the core of its mission, DC Water also wanted its wastewater
treatment plant to embody its commitment
to the environment. The highly recycled and
recyclable nature of metal is part of
the eco-friendly statement made
by the building. “DC Water
wanted this building to
illustrate sustainability through architectural
example,” Morrison explains. “The project
incorporates a vegetated roof, solar panels,
and other green design features.”
One of the largest, most advanced wastewater treatment facilities in the world, the
Blue Plains Advanced Wastewater Treatment
Plant is a point of pride for the District. The
design team is pleased that it has been so well
received in the community. “We have received
nothing but positive feedback on this project,”
Morrison says.
®
TM
Wall + Window Wall Systems | Skyroof + Skylight Systems | Canopies + Walkways | Clearspan Systems
Produce: soft, glare-free, diffused natural daylighting with superior thermal performance
Promote: healthier, more comfortable and productive environments where people can excel
Protect: by offering visual privacy to occupants and vandal, graffiti + high impact options
Provide: durable, low maintenance construction that translates to lower life cycle costs
Predict: proper lighting designs utilizing our complimentary daylight modeling services
KALWALL
®
For more information contact us at
16
Summer 2015 | Metalmag
KALWALL.COM | 800 258 9777
high performance translucent building systems
New Orleans East Hospital
New Orleans, LA
Eskew+Dumez+Ripple
THE RIGHT FIT
Building retrofits present a unique set of challenges, and no two projects are
the same. Each one takes a customized blend of the right project plan, the
right people and the right products to achieve the right performance and
the building team’s vision. At CENTRIA we provide an unparalleled line of
architectural metal wall systems for any retrofit project. Just as important is
our experienced team of building experts who understand the challenges
and opportunities that each retrofit project brings. When it comes to retrofit,
Formawall® Dimension Series®
see firsthand how CENTRIA is the right fit.
To learn more about how CENTRIA
reimagines retrofit, call 1-800-250-9298.
REIMAGINE METAL

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