Polyshield RadWrap foil/white, 95% reflective, perforated ceiling material has many applications. This 8.5' material was designed specifically as a housewrap, increasing your R-value, adding reflectivity, and includes a lifetime warranty. This product saves you time, money, and energy on installation. The white polyethylene surface makes for a superior washable wall material. Polyshield RadWrap consists of a highly reflective material which reflects radiant heat rather than absorbing it. This perforated material is available to control condensation.