We are offering foil bubble insulation for roof. aerolam super pe contains single layer of fire retardant air bubble film laminated with single side aluminium foil and white poly on other side. roll size (w x l) 1.2m x 40m bubble size 4mm x 10 mm total thickness (mm) 4.5 to 5 mm reflection ratio 95% thermal resistance emissivity 0.04-0.05 temperature range -122 â�� to 230 â��(-50â°c ï½� 110 â°c) minimum order quantity 5000 mtrs (india) container load (export) product characteristic type: aerolam-super-pe color: silver