Patent ID: 7906204
Filing Date: 2011-03-15
Classification: B32B,D06N,E04D,Y10T

Abstract:
1. A waterproofing membrane comprising: a mass of at least one bituminous composition, wherein the mass of at least one bituminous composition is formed in at least one continuous layer and includes at least one ply of at least one of filamentous material and fibrous material, wherein the at least one ply is embedded in said mass; wherein the at least one bituminous composition includes a bituminous mixture consisting essentially of bitumen, SBS elastomeric polymer and at least one filler; wherein the at least one ply includes a fine web, of open-work structure, with no preferred direction of stress resistance and formed of at least one of filaments and fibres of a material; wherein the fine web is embedded in the mass proximate to a first face of the membrane to be visible or exposed to the environment; and wherein the membrane comprises a lateral band along at least one of a plurality of longitudinal sides of the membrane to form an overlap edging to facilitate connection to a second lateral band of a second waterproofing member after the application of heat to the lateral band, said edging having no ply or web.