Henry Co. Suitable for all climate zones, Permax Spray Polyurethane Foam (SPF) helps create high-performance walls that improve a home’s long-term thermal performance. Available in 2.0, 1.8, and 0.5 pounds-per-cubic-foot densities, Permax SPF offers an R-value of up to 6.5 per inch of thickness. The material helps with air sealing by filling voids in wall cavities and stud spaces and also helps eliminate wind-washing and convective currents that can detract from a building’s thermal performance. Permeable and non-permeable systems are available to suit wall, ceiling, and attic spaces. 800.486.1278. www.henry.com.
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