A METHOD FOR PRODUCING A PRE-FORMED BITUMINOUS WATERPROOFING MEMBRANE

摘要

The invention is directed to a method for producing a pre-formed waterproofing membrane comprising a step of simultaneously spraying an aqueous coagulant composition and an aqueous emulsion of polymer modified bitumen to a surface of a support sheet. The invention is also directed to a pre-formed waterproofing membrane comprising a waterproofing layer and a support sheet, and to a method for waterproofing a surface of a substrate using the pre-formed waterproofing membranes.