Description Type 1E 38kg green mineral felt is ideal as a top sheet in built-up roofing Recycled rag fibre based oxidised roofing membrane finished with a green slate mineral upper surface Also for use as a garden outbuilding weatherproofing layer or as underlays, intermediate layers and cap sheets/top layers in a traditional built up flat roof system, adhered with hot poured bitumen Roll is 10m x 1m but coverage depends on overlap used
