Roof leaks can be a museum’s worst enemy, threatening water damage to artifacts and disturbing delicately controlled indoor environments. That’s why an $8.3 million renovation to the core exhibits at the George H.W. Bush Presidential Library and Museum in 2007 was done in parallel with fixing approximately 75,000-sf of the flat, spray-applied polyurethane foam (SPF) roof that had provided almost 10 years of service.
“We were redoing the core exhibit so I thought it was a good time to check the roof,” explains Robert Spacek, Facility Operations Specialist for the George H.W. Bush Presidential Library and Museum.
The original roof was a foam and silicone-coated system. Although SPF roofs can often last 20 years or more, and are renewable indefinitely with simple recoats every 10-15 years, this one was showing some wear and tear. As part of the renovation, there was talk of tearing off the existing roof and replacing it with another solution. This option, however, would be extremely expensive and time-consuming. Plus, the artifacts and records would have had to be moved and the building closed to the public during renovations.
“This particular roof was still in excellent shape and performing well. There was nothing wrong with the base foam roofing insulation,” explains John Austin, Vice President of Spray Polyurethane Foam and Coatings for F.W. Walton Inc., the contractor on the project. “But there were some leaks related to the rotunda and control joints in the windows, and membrane repairs were ineffective to prevent those roof leaks.”
Spacek made a request to the National Archives and Records Administration (NARA) for funding for the roofing project. The NARA architects were subsequently asked to research the cost of replacing the entire roof. After consulting with BASF technical experts, it was discovered that only certain parts needed minor repairs, so a tear-off and replacement could be avoided.
Once the project was approved, the bid went to Houston-based F.W. Walton, Inc. Having found the root of the problem, Austin used ELASTOSPRAY SPF from BASF to perform minor repairs on various parts of the existing roof, followed by a recoat of the entire roof to provide a consistent and fresh aesthetic appeal. This renewal would continue to deliver on the energy savings inherent in SPF roofing systems, prolong the life expectancy of the original roof and provide a quick installation with minimal disruption. All at a far reduced cost compared with a tear off and replacement. Plus, it would divert a lot of waste from landfills.
For more information, contact:
BASF Corporation
100 Park Avenue
Florham Park, NJ 07932
info@basfconstruction.us
construction.basf.us
And thanks to the decision to repair and recoat the original roof, the work didn’t inconvenience the public or expose artifacts to the elements.
“We didn’t have to change anything,” says Spacek, who adds that it was his first big job with this type of roofing system. “Things went really well. The contractor was very easy to get along with. In all honesty, I didn’t understand a lot about this stuff until I started this job. I am very pleased with the results. It has been a very satisfactory experience for me.” +
Related Stories
| Sep 7, 2014
Behind the scenes of integrated project delivery — successful tools and applications
The underlying variables and tools used to manage collaboration between teams is ultimately the driving for success with IPD, writes CBRE Healthcare's Megan Donham.
| Sep 7, 2014
Ranked: Top military sector AEC firms [2014 Giants 300 Report]
Balfour Beatty, Fluor, and HDR top BD+C's rankings of the nation's largest military sector design and construction firms, as reported in the 2014 Giants 300 Report.
| Sep 5, 2014
First Look: Zaha Hadid's Grace on Coronation towers in Australia
Zaha Hadid's latest project in Australia is a complex of three, tapered residential high-rises that have expansive grounds to provide the surrounding community unobstructed views and access to the town's waterfront.
| Sep 4, 2014
Ranked: Top courthouse sector AEC firms [2014 Giants 300 Report]
Fentress Architects, Tutor Perini, and AECOM top BD+C's rankings of design and construction firms with the most revenue from courthouse facilities, as reported in the 2014 Giants 300 Report.
| Sep 4, 2014
Hospital CEOs, architects sound off on state of healthcare design
Healthcare construction will continue to feel the effects of radical changes in the delivery of care, according to healthcare leaders attending the annual Summer Leadership Summit of the American College of Healthcare Architects and the AIA Academy of Architecture for Health.
| Sep 4, 2014
Best of education design: 11 projects win AIA CAE architecture awards [slideshow]
The CAE Design Excellence Award honors educational facilities that the jury believes should serve as an example of a superb place in which to learn. Projects range from a design school in Maryland to an elementary school in Washington.
Sponsored | | Sep 4, 2014
Learning by design: Steel curtain wall system blends two school campuses
In this the new facility, middle school and high school classroom wings flank either side of the auditorium and media center. A sleek, glass-and-steel curtain wall joins them together, creating an efficient, shared space. SPONSORED CONTENT
| Sep 4, 2014
Strong industry growth could be slowed by skilled labor shortage, says Gilbane report
While construction spending for 2014 will finish the year 5.5% higher than 2013 and the unemployment rate in construction is down to 7.5%, the industry has been losing workers for more than five years, according to a new Gilbane report.
| Sep 3, 2014
Ranked: Top local government sector AEC firms [2014 Giants 300 Report]
STV, HOK, and Turner top BD+C's rankings of the nation's largest local government design and construction firms, as reported in the 2014 Giants 300 Report.
| Sep 3, 2014
WSP to acquire Parsons Brinckerhoff in $1.35 billion deal
The deal, which has been approved by the boards of WSP and Balfour Beatty, has an enterprise value of $1.243 billion, plus another $110 million in cash retained by PB.
