Use of SPF for wall insulation in the residential housing sector is a rapidly growing market, due to the many energy saving and air/moisture barrier advantages over traditional fiberglass and cellulose insulation systems. Studies have shown that as much as 40% of a building’s energy loss is due to heat loss, or gain, through walls, roofs and windows. SPF is an incredible material for roofing systems and thermal insulation with its excellent water resistance and ability to air-seal your home or building with R-values ranging to 6.5 to 7.0 per inch. This efficiency contributes to significant energy savings throughout the life of a building and benefits the owner allowing the use of smaller capacity cooling and heating equipment.