Breathable Membrane Roofing Underlay - Professional Grade 120 GSM - Roll 4.92x164 ft (1.5x50m) - 3 Layer Vapor Permeable Roof Underlayment Covers 807 ft² (75 m²) - for Homes, Sheds & Pitched Roofs

• High-performance roofing membrane suitable for various structures, compatible with felt, tiles, metal sheets, or shingles for both ventilated and fully sarked systems on pitched roofs.
• Three-layer vapor-permeable roof membrane that resists moisture while allowing internal humidity to escape, compliant with EN 13859‑1 standards.
• Lightweight roof underlayment roll measuring 4.92 × 164 ft (1.5 × 50 m) covering 807 ft² (75 m²) with superior tear resistance for easy handling on site.
• Quick installation with waterproof sealing through watertight overlaps to prevent leaks and drafts, suitable for stapling or taping.