The American Architectural Manufacturers Association (AAMA) has updated a standard that providing guidance for installing fenestration products.
AAMA 812-19, “Voluntary Practice for Assessment of Frame Deflection When Using One Component Polyurethane Foams for Air-Sealing Rough Openings of Fenestration Installations,” was last updated in 2010. One component polyurethane foams have sometimes been associated with frame deflection of fenestration products.
This can result from either misapplication or the use of foams not suited to the purpose. One component polyurethane foams have been developed specifically for application with fenestration products to eliminate these incidents.
“The AAMA 812 has been updated to clarify foam physical properties, enhance sample preparation, testing and measurement procedures, and include requirements for reporting of test results,” said Beverly Selle (Dow Chemical Company), chair of the AAMA 812 Insulating Expanding Foams Task Group, in an AAMA news release.
The standard identifies pressure build and dimensional stability as the key attributes that contribute to deflection of fenestration products resulting from the use of one component polyurethane foams, and provides test protocols for assessing these key attributes.
Related Stories
Sponsored | BD+C University Course | Jan 17, 2024
Waterproofing deep foundations for new construction
This continuing education course, by Walter P Moore's Amos Chan, P.E., BECxP, CxA+BE, covers design considerations for below-grade waterproofing for new construction, the types of below-grade systems available, and specific concerns associated with waterproofing deep foundations.
Adaptive Reuse | Jan 12, 2024
Office-to-residential conversions put pressure on curbside management and parking
With many office and commercial buildings being converted to residential use, two important issues—curbside management and parking—are sometimes not given their due attention. Cities need to assess how vehicle storage, bike and bus lanes, and drop-off zones in front of buildings may need to change because of office-to-residential conversions.
MFPRO+ News | Jan 12, 2024
Detroit may tax land more than buildings to spur development of vacant sites
The City of Detroit is considering a revamp of how it taxes property to encourage development of more vacant lots. The land-value tax has rarely been tried in the U.S., but versions of it have been adopted in many other countries.
MFPRO+ News | Jan 12, 2024
As demand rises for EV chargers at multifamily housing properties, options and incentives multiply
As electric vehicle sales continue to increase, more renters are looking for apartments that offer charging options.
Student Housing | Jan 12, 2024
UC Berkeley uses shipping containers to block protestors of student housing project
The University of California at Berkeley took the drastic step of erecting a wall of shipping containers to keep protestors out of a site of a planned student housing complex. The $312 million project would provide badly needed housing at the site of People’s Park.
MFPRO+ News | Jan 8, 2024
Canada turns to 1940s strategy to speed up housing construction
To address a severe housing shortage, Prime Minister Justin Trudeau’s administration has begun a housing construction strategy pioneered in the years after World War 2. The government aims to use a catalog of pre-approved home designs to reduce the cost and time to construct homes.
Green | Jan 8, 2024
DOE releases RFI on developing national definition for a Zero Emissions Building
The Department of Energy released a Request for Information (RFI) for feedback from industry, academia, research laboratories, government agencies, and other stakeholders on a draft national definition for a Zero Emissions Building.
Codes and Standards | Jan 8, 2024
Australia to be first country to ban engineered stone countertops
In 2024, Australia will be the first country to ban engineered stone countertops. The ban came after a years-long campaign supported by doctors, trade unions, and workers over concerns that the material was causing increased silicosis cases among workers cutting and handling it.
Roofing | Jan 8, 2024
Researchers devise adaptive roof tile concept that adjusts to ambient temperatures
Scientists at the University of California Santa Barbara published a paper that proposes adaptive roof tile technology that can adjust to ambient temperatures. Using a wax motor, tiles could switch from a heating or cooling state enabling savings on heating and cooling costs.
Mass Timber | Jan 2, 2024
5 ways mass timber will reshape the design of life sciences facilities
Here are five reasons why it has become increasingly evident that mass timber is ready to shape the future of laboratory spaces.
