Reinforcing Waterproofing Membrane Used In Conjunction With Acrylic And Bitumen Waterproofing Compounds. For Waterproofing On Iron; Or Tiled Pitched Roof Applications; Skylights; Parapets; Roof Ridges; Flashings And Roof Screws. Available In 10M And 20M Lengths And Widths Of 75mm Up To 1000mm.