US Energy Products Double Sided Reflective Heat Radiant Barrier Aluminum Foil Insulation (1/4 Thick R8 Double Poly-Air) Roll: Walls Attics Air Ducts Windows Radiators HVAC Garages + More (16" x 100')

• 5mm 1/4 Double Poly-Air Insulation: Sandwhiched between two layers of highly reflective radiant barrier reflective aluminum. Strong lightweight, yet durable material that is easy to cut and install and can be stapled or nailed into any surface without compromising the insulation barrier. EFFECTIVE THERMAL RADIANT BARRIER: Reflects 99.97% of radiant heat transfer with a thermal resistance R Value of 24 (Building Envelope). Prevents heat from escaping during colder seasons and does not allow heat to enter during the summer months. WATER RESISTANT: WILL NOT OXIDIZE LIKE PURE ALUMiNUM DOES / Not Effected by humidity and moisture. 100% Waterproof. Can be used in outdoor and indoor applications. SOUND REDUCTION: Great Sound Deadener. Effectively reduces sound travel creating a soundproof environment (closed cell foam core) ASTM Class 1 Class A Fire Rated / Meets all USA and Intl Fire Codes (even Australia), Manufacturer: US Energy Products