For new or retrofit (industrial grade) house-wrap, roofing systems, radiant heat flooring, and OEM’s when a stronger grade is needed. Available in 500 and 1,000 sq. ft. rolls. Also comes in perforated 4’ widths. High Quality Radiant Barrier is construction / industrial grade reflective insulation, and is available in 500 and 1,000 Sq. Ft. Rolls, 4’ widths. High Quality Radiant Barrier brand radiant barrier has been designed to be used for new or retrofit (industrial grade) applications. It can be wrapped around a structure, just under the brick or outer material. It can be placed over the rafters just before roofing materials are applied, or stapled to the roof rafters inside of the attic. It is also beneficial for radiant heat flooring, commercial, industrial, and OEM’s when a stronger grade is needed.