... Can be installed on roof, wall or floor, resist over 80% external heat, protect wall Double Bubble Insulation materialProduct Description: 1, ... tearing resistance strength without changing its original characteristics. AL/Bubble/AL AL0.007mm/Pet0.012mm/0.025mmwith fireproofthickness 3 ... silver roll size:1.2m x40m, bubble:4mmx10mm Function: Can be installed on roof, wall or floor, resist over 80% ...