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
| Apr 4, 2014
Green Building Initiative moves to include locally sourced materials in Green Globes
The Green Building Initiative group based in Portland, Ore., met with the Department of Agriculture on a plan to include locally sourced materials in its green building standards.
| Apr 4, 2014
White roofs outperform green roofs in reducing heat-island effect, says Lawrence Berkeley Lab
A new report from LBNL says that white roofs are three times more effective than green roofs at “cooling the globe.”
| Apr 4, 2014
ASHRAE standard aims for consistency in measuring building energy use
The standard answers such questions as: Should the measurements of a building’s area used in the equation to derive energy use per square foot be taken from the exterior dimensions or to the centerline of the wall? And, should storage spaces be included even though they are unoccupied?
| Apr 4, 2014
Cleveland’s sewer authority to pay developers for green solutions to stormwater runoff
The district’s intent to use natural features to absorb stormwater reflects an urban trend that other cities including Philadelphia and Detroit have embraced.
| Mar 30, 2014
Solar panels on Big Ben intended to spur U.K.’s sustainability targets
Solar panels may soon be installed on the face of Big Ben in London as part of the U.K.'s initiatives to reach its greenhouse gas emissions objectives under the Climate Change Act of 2008.
| Mar 26, 2014
EPA clarifies Clean Water Act in revision that was opposed by developers
The Environmental Protection Agency recently unveiled a rule designed to define more clearly which waterways are covered by the Clean Water Act and therefore require U.S. permits for certain activities.
| Mar 26, 2014
Better Buildings Initiative leading to tens of millions of dollars in savings annually, says DOE
Facilities across the nation have been able to shave on average about 2.5% of their annual utility costs through efficiency initiatives spurred by the federal Better Buildings Initiative, according to the Department of Energy’s Maria Vargas.
| Mar 26, 2014
Univ. of Nebraska-Omaha fire could prompt building code changes
A dormitory fire at the University of Nebraska at Omaha that displaced with 42 students (but caused no injuries) could trigger local building code changes.
| Mar 26, 2014
Associated Builders and Contractors wary of federal overtime rules changes
Associated Builders and Contractors (ABC) cautioned that President Obama’s directive to the U.S. Department of Labor to change federal overtime rules could harm its members.
| Mar 19, 2014
Oklahoma City mandates safe rooms in new schools
The move will affect 24 districts that have schools inside Oklahoma City limits.