AMBICOOL DOUBLE 20MM is aair bubble thermal insulation sheet with single side/ both side aluminum foil or polythene film(as per requirement) , and PE + big size bubble + PE + big size bubble + PE layer in between. AMBICOOL DOUBLE 20MM is specially designed for insulating commercial, industrial and residential structures. Our insulation sheets are specially designed to thermally insulate metal building such as poultry farms, livestock buildings, pole barns.