Breather Membranes & Roof Underlay

Protect your pitched roof with breathable roof underlay and BBA approved breather membranes. Our vapour permeable roofing membranes help control condensation, resist wind driven rain and support a longer lasting roof structure. Ideal for slate and tile roofs, new build and refurbishment projects, with roll sizes to suit every job. For enhanced protection in your roof build up, pair these with our Vapour Control Layers to manage internal moisture effectively.

Our Range

• Breather membrane rolls – lightweight, tough, easy to install
• Vapour permeable underlays – allow moisture vapour out, keep water out
• BBA certified options – tested for quality and performance
• Membrane tapes and accessories – secure laps, joints and penetrations

Why Choose Trusted Building Supplies?

• Trade trusted brands, BBA approved products
• Suitable for all pitched roof coverings, slate and tile
• Competitive prices with bulk savings available
• Fast UK delivery direct to site

Related Categories

• Dry Verge, Ridge & Hip Systems
• Pitched Roof Tile Vents
• Valley Troughs & Flashings
• Bitumen Corrugated Roofing Sheets
• Vapour Control Layers

Ready to buy breather membranes and roof underlay for your project? Shop online today for vapour permeable underlays, BBA certified membranes and tapes, with quick delivery and great value.