... sheet iron, concrete, wood and other common heat insulation materials. Structure:AL/bubble/AL Main size:1.2m*40m ... installs easier than fiber glass; 4.Keep warm in winter, hold cool in summer; 5.No odor and toxicity, environmentally ... equipment; 5.Heat reflection, heat insulation, sound insulation, anti-radiation, waterproof.Applications:1.Residential construction in attics, walls, ceilings, and ...