VAPOR BARRIER - Unaffected by humidity and moisture, can be used outdoor/indoor.
SOUND BARRIER - excellent soundproofing material.
SUPREME QUALITY - 1/8inch thick closed cell polyethylene FOAM (not a bubbles) sandwiched between A Double Sided Radiant Barrier on both sides. Easy to install, easy to cut and easy to clean, Strong but lightweight.
FIRE RATE - Fire rate Class 1 / Class A, NON TOXIC - will not irritate skin, eye or throat. Non allergic.