TPO waterproof roll is the world"s first class waterproof materials and a kind of thermo-plastic waterproof materials that is formed through advanced polymerization technology. It is a kind of fast-developed top and highly-efficient greenenvironment-friendly product.TPO waterproofmaterials doesn"t contain inner and outer politicize (politicizes may move or volatilize which lead to brittleness and shrinkage of products) TPO can also compound other thermal insulation materials and play the role of water preservation and thermal insulation.