Good sell wall heat insulation material Structure:AL/bubble/AL Roll size:1.2m*40m Use: roof,wall,floor,pipe ... , both hot and cold.Product: Good sell wall heat insulation material Technical parameters:Material structure: AL/bubble/ALBubble size ... with no special clothing or breath equipment;5. Heat reflection, heat insulation, sound insulation, anti-radiation, waterproof.6. Lightweight product, which ...