1,000 SQUARE FEET PER ROLL: 4ft Wide by 250 feet in length. This gives you 1,000 square feet of the strongest radiant barrier on the market. Heavy Duty Commercial Industrial Grade perforated breathable radiant barrier | HIGHLY REFLECTIVE: Double-sided (5ply), tear-proof strongest barrier out there. 99.97% Reflective E Value > Highly reflective to reflect radiant heat rather than absorb it . The Commercial Grade Industrialized Barrier is designed to withstand heavy handling and traffic without tearing, puncturing, or overly wrinkling. Cuts easily with utility knife or scissors so you can install it properly with ease. | ASTM COMPLIANT Fire Rating: Meets the American Society for Testing and Materials (ASTM) Class 1 Class A fire and smoke safety requirements of most state and local building codes, as well as the breathability standards for building materials. While primarily used for attic rafters and floors, our radiant foil works well for garages, workshops, storage units, barns, warehouses, and even older multi-storied homes that lack sufficient insulation.

Perforated 4 ft X 250 ft roll (1000 sf) breathable. Ideal for attics, sheds, warehouses, and as house wrap Double-sided 99.9% PURE reinforced ALUMINUM that blocks 97% of the radiant heat in summer and winter Industrialized strength with woven polyethylene scrim for tear resistance. Cannot be torn or ripped Passes required ASTM fire test (E84 using E2599 mounting method) for building materials Exceeds required ASTM Water Vapor Permeability (Breathability): 8.5 perms (ASTM 96-00) Super Shield Reflective Insulation is a 5-layer reflective energy-shield. Its two outer layers of 99% aluminum foil reflect 97% of radiant heat. Each layer of foil is bonded to a tough layer of Mylar and has an interwoven nylon scrim for extra added strength. It's so strong it's virtually impossible to tear! It also has a Class 1, Class A fire rating! Youll find that hot and cold spots in your home are eliminated summer and winter. Youll find yourself enjoying greater comfort in your home. And, since it doesnt use energy to increase your level of comfort, youll have lower utility bills. How It Works!!! As much as 83% of the heat gain in the summer takes place...