New wall assembly cuts building costs and boosts energy efficiency
As building codes come to emphasize insulation and air sealing, home builders are looking for affordable wall systems.
To meet builders' desires for wall enclosures that meet codes and don't bust buyers' budgets, BASF has developed consultative services coupled with innovative BASF products deliver customized and sustainable wall enclosure solutions
At the 2015 Greenbuild Expo, Mary Poma, manager, market & customer development, for BASF, reviewed the new HP+ Wall System that is now available to the residential construction industry.
The first-generation wall enclosure system features advanced wall-framing technology and leverages the BASF BEYOND.High Performance approach, which combines innovative chemistry and applied building science, Poma said.
By offering consultative services alongside its products, BASF helps builders identify cost-shifting opportunities so they can incorporate upgraded insulation solutions that have long been cost-prohibitive.
The HP+ Wall System combines three BASF products: Neopor, a graphite- enhanced and rigid thermal foam insulation that helps mitigate the risk of moisture inside of wall cavities; WALLTITE HP+, a closed-cell, spray-applied polyurethane for superior insulation, strength and energy efficiency; and ENERSHIELD, an air and water resistant resilient coating that creates a seamless barrier of protection to above grade wall substrates. This powerful combination into a single integrated wall system delivers exceptional control of heat, air and moisture and increased structural integrity.
The design capacity of the HP+ Wall System is up to 135 percent greater than that of a wall built with standard construction methods, offering builders the opportunity to reduce lumber content by up to 25 percent and eliminate the need for plywood or OSB sheathing, Poma noted.
The system also builds a better barrier providing higher thermal performance in a standard dimensional wall cavity and achieves optimum R-value by air sealing the wall assembly. The durability and performance of the HP+ Wall System can help builders meet new and challenging code requirements and improve Home Energy Rating System (HERS) index scores.
In regions with specific climate- or disaster-resilience needs, the system can be further customized to help mitigate these additional challenges.
“The cost savings from reduced lumber use allows builders to incorporate once-too-costly polyurethane insulation, a component of the HP+ Wall System, into their construction, Poma said. "Through our consultative approach, we’re helping builders to shift costs, embrace innovation and affordably construct the sustainable homes they want to build.”
Companies: BASF Corporation
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