... 1.2m*40m Usage:wall,roof,floor,etc fireproof This new heat insulation material not only overcomes the discomfort ... sheet iron, concrete, wood and other common heat insulation materials. Structure:AL/bubble/AL Main size:1.2m ... , heat insulation, sound insulation, anti-radiation, waterproof.Applications:1.Residential construction in attics, walls, ceilings, and radiant floor heating applications; ...