Jwell company adopts the solid roll for combining multilayers, this new technology make the TPO sheet having a good function  against wind uncovering.TPO waterproof sheet is a new type of waterproof product, which is produced with thermoplastic polyolefin plus antioxygen and plastifier and so on, the middle layer is polyester fabric for reinforcement, the surface is laminated with textile  fiber and aluminum foil. This kind of TPO waterproof sheet has the features of good weatherproof and suppleness.It is mainly used  for house、tunnel、basement architecture and other waterproof fields.