US Energy Products 1000 sqft (4x250) Solid White Crawlspace Flooring Underlayment Vapor Barrier DIY Insulation Weatherization Water Proof/Meets Fire Codes/Made in USA
- 4 ft X 250 ft roll (1000 sf) non 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 0.0 perms (ASTM 96-00).