Nasa Tech Heavy Duty 6inch x 125ft Reflective Foam Core Pipe Air Duct Faucet Attic Basement Weatherization Wrap (1/4 inch thick) Double Sided Waterproof meets all fire codes 6inch x 125ft long Double Sided 1/4 Reflective Foam Core Insulation EXTREMELY EFFECTIVE - Reflects 99% of radiant energy, perfect radiant barrier! Class 1 Class A Fire Codes / Meets All USA and Intl Flame Spread Tests FOAM, NOT A BUBBLES- will sealed the holes from staples or screws itself, will not lose a 7mm thickness over the time, Will not lose its performance! Made in USA