Descriptors | Waterproof materials, Membranes, Flexible materials, Protection against water from the ground, Roofs, Walls, Weather protection systems, Reinforced materials, Sheet materials, Grades (quality), Performance, Marking, Colour codes, Tensile strength, Water-resistance tests, Water-vapour tests, Environmental testing, Tear tests, Building paper, Cellulose, Fibres, Polyolefins, Polymers, Plastics, Selection, Construction materials, Testing conditions, Specimen preparation, Test equipment |