Attics

Achieving high performance walls and attics relies on a variety of innovative products and techniques developed by building science researchers, builders and manufacturers.  This section  includes some of the solutions that have demonstrated the ability to improve the efficiency of attics in residential construction.

Manufacturer Type Reported R-Value Product Page
BASF Two spray polyurethane foam based wall assembly solutions. Up to R-34 in 2×4” framed construction. The BASF HP+™ Wall System

Case Studies

Technical Reports