"The wave of the future is SPF - Sprayed-in place Polyurethane Foam," says Craig DeWitt, Ph. D., P.E., President of RLC Engineering, Clemson, SC. "The use of SPF offers exciting potential for enhancing not only the thermal efficiency of residential structures, but important structural benefits and the potential for significant improvements in quality of residents' lives."

Spray Foam Insulation can be applied to a home under construction and will not only insulate, but will also reduce air leakage in the building envelope. US Department of Energy Insulation Fact Sheet, August 1997