One solution for every roof, upgrade your roofing with this breathable membrane roofing underlay, designed for homes, sheds, and pitched roof systems. Measuring 1.5x50m (4.92x164ft) and covering 75m (807ft), each lightweight roll offers professional-grade performance for both DIY and trade use. The 3-layer construction features a vapour permeable film between two polypropylene fleece layers, allowing internal humidity to escape while blocking external water. Rated W1 for maximum water resistance, this roof vapour barrier membrane is suitable under felt, shingles, tiles or metal sheets, and works in both ventilated and fully sarked roofing systems. Novecrafto Breathable Membrane Membrane Roofing Underlay 120 GSM - Roll 1.5x50m in Black