Composition and features of PVC membranes as roofing material
To create reliable roofing waterproofing, PVC membrane began to be used more and more often. It has a number of features and allows you to create reliable roofing isolation.
PVC membrane has a multilayer structure. Upper layer – polyvinyl chloride with various types of additives. To increase fire safety, antipypees are used to reduce thermal conductive ability and protect against solar radiation – ordinary chalk, for less heating, lightening dyes are added. In the lower layer chalk and other additives may not be used, which reduces the reducing material without reducing its essential characteristics.
The upper layer together with the lower compression on a polyester grid. Polyester fabric or fiberglass can also be used. Members of various manufacturers differ in their characteristics and may include additional components.