PET (polyethylene glycol terephthalate) polyester composite multi-layer self-adhesive waterproofing coiled material

The utility model provides a PET (polyethylene glycol terephthalate) polyester composite multi-layer self-adhesive waterproofing coiled material. The coiled material comprises an anti-seepage layer, wherein the anti-seepage layer is a PET polyester film, and a first self-adhesive asphalt coating layer and a second self-adhesive asphalt coating layer are arranged on upper and lower surfaces of the anti-seepage layer; self-adhesive layer is arranged below the second self-adhesive asphalt coating layer, and release paper is arranged on the surface of the self-adhesive layer; a surface film is arranged on the upper surface of the first self-adhesive asphalt coating layer; and the self-adhesive layer is a colloidal calcium silicate creep self-adhesive.