UltraPerm Max 155gsm Roof & W Membrane / Underlay 1.5m x 50m (75m2)

UltraPerm Max 155gsm Roof & W Membrane / Underlay 1.5m x 50m (75m²) is a high-performance roofing membrane designed for superior protection in pitched roof applications. Manufactured for optimal breathability and weather resistance, this roof underlay acts as an effective barrier against wind-driven rain and dust while allowing moisture vapour to escape, helping prevent condensation problems. Its robust 155gsm weight ensures lasting durability, making it suitable for new builds and refurbishments alike. The generous 1.5-metre width and 50-metre length offer ample coverage for large roofing projects, streamlining installation while maintaining performance standards required by UK building regulations.

• High breathability supports moisture control in pitched roofs
• Strong 155gsm weight ensures durability and tear resistance
• Effective barrier against wind-driven rain and dust ingress
• Large roll size covers up to 75 square metres per roll
• Suitable for both new build and refurbishment projects
• Compliant with UK building regulations and industry standards