View All Breather Membranes

Browse our complete range of Breather Membranes, designed to provide essential weather protection and ventilation in pitched roof and timber frame constructions. Suitable for both warm and cold roof systems, our breathable membranes allow moisture vapour to escape from the structure while blocking wind-driven rain and dust. We stock top-performing products from trusted brands like Klober, Cromar, Permavent, and Protect, all compliant with BS5534 and UK Building Regulations. Whether you're working on a new build or roof refurbishment, our breather membranes are lightweight, tear-resistant, and easy to install under tiles, slates, or external cladding. Shop now for high-quality roofing membranes with fast UK delivery and competitive prices.

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  • Klober Permo Ecovent - 1.1m x 50m
      Klober
      Klober Permo Ecovent - 1.1m x 50m
      Part of The Everyday membrane range, Permo Ecovent is Klober’s economy breather membrane solution for pitched roofs. The three-layer, vapour-permeable roof membrane allows the roof structure to breathe and is available with or without self-adhesive tape and is suitable for pitched roofs. The tape...
      £39.60
      incl. VAT
      £39.60
    • Permavent Apex Breather Membrane, 180g - 1m x 50mPermavent Apex Breather Membrane, 180g - 1m x 50m
        Permavent
        Permavent Apex Breather Membrane, 180g - 1m x 50m
        Fully Air Permeable APEX air permeability allows moisture to escape through the movement of air to flow through the roof, which eliminates interstitial condensation in pitched roofs. This can be particularly important during the drying out period of a new build. Vapour Permeable Permavent...
        £149.67
        incl. VAT
        £149.67
      • Permavent Black Breather Membrane – 1m x 50m
          Permavent
          Permavent Black Breather Membrane – 1m x 50m
          Permavent use the very latest technology from the medical industry to encapsulate the highest grade hydrophobic film inside the very highest quality spunbond polypropylene layers. Moreover, unlike other companies, who simply stick the different layers together, Permavent membranes are manufactured in a single process...
          £37.80
          incl. VAT
          £37.80
        • Permavent Black Breather Membrane – 1m x 20m
            Permavent
            Permavent Black Breather Membrane – 1m x 20m
            Keep your roof protected. Keep your home dry.When the rain falls and the wind howls, you need a breather membrane you can trust. The Permavent Black Breather Membrane (1m x 20m) gives you reliable, all-weather protection for any roofing project. Moisture build-up ruins insulation, damages timber,...
            £29.65
            incl. VAT
            £29.65
          • Permavent Dry+ Breather Membrane 1m x 50mPermavent Dry+ Breather Membrane 1m x 50m
              Permavent
              Permavent Dry+ Breather Membrane 1m x 50m
              Permavent Dry+ is a high-performance vapour permeable membrane, making it ideal for roofing applications especially at low pitches. It can also be used as a wind barrier for vertical wall construction. Permavent Dry+ has integrated tapes to make it an airtight membrane and is...
              £207.00
              incl. VAT
              £207.00
            • Klober Permo Air 160 Breather Membrane - 1m x 50mKlober Permo Air 160 Breather Membrane - 1m x 50m
                Klober
                Klober Permo Air 160 Breather Membrane - 1m x 50m
                Permo® air is a low resistance air-open underlay, suitable for pitched roofs. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly...
                £149.27
                incl. VAT
                £149.27
              • Klober Permo Forte 145 Breathable Membrane - 1.5m x 50mKlober Permo Forte 145 Breathable Membrane - 1.5m x 50m
                  Klober
                  Klober Permo Forte 145 Breathable Membrane - 1.5m x 50m
                  Klober Permo Forte has a unique plastic ripstop grid, which helps prevent tearing. A special inner layer allows water vapour to exit the roof-space while preventing rainwater and moisture from entering the building. Klober Permo Forte is a four-layer roof underlay with a built-in...
                  £157.28
                  incl. VAT
                  £157.28
                • Klober Permo Forte 145 Breathable Membrane - 1.1m x 50mKlober Permo Forte 145 Breathable Membrane - 1.1m x 50m
                    Klober
                    Klober Permo Forte 145 Breathable Membrane - 1.1m x 50m
                    Klober Permo Forte has a unique plastic ripstop grid, which helps prevent tearing. A special inner layer allows water vapour to exit the roof-space while preventing rainwater and moisture from entering the building. Klober Permo Forte is a four-layer roof underlay with a built-in...
                    £121.41
                    incl. VAT
                    £121.41
                  • Cromar Vent 3 Classic Breathable Membrane - 1.5m x 50mCromar Vent 3 Classic Breathable Membrane - 1.5m x 50m
                      Cromar
                      Cromar Vent 3 Classic Breathable Membrane - 1.5m x 50m
                      The Cromar Vent 3 Classic Breathable Membrane - 1.5m x 50m by Cromar is an outstanding secondary layer protection for your roof. This breathable membrane is fitted behind the first layer of defence, preventing any water that passes through from entering your roofing space, instead being...
                      £49.82
                      incl. VAT
                      £49.82
                    • Cromar Vent 3 Classic Breathable Membrane - 1m x 25m
                        Cromar
                        Cromar Vent 3 Classic Breathable Membrane - 1m x 25m
                        The Cromar Vent 3 Classic Breathable Membrane - 1m x 25m is an outstanding secondary layer protection for your roof. This breathable membrane is fitted behind the first layer of defence, preventing any water that passes through from entering your roofing space, instead being...
                        £20.45
                        incl. VAT
                        £20.45
                      • Cromar Vent 3 Light Breathable Membrane - 1m x 25m
                          Cromar
                          Cromar Vent 3 Light Breathable Membrane - 1m x 25m
                          The Vent 3 Light Breathable Membrane by Cromar is an exceptional, high-performance breather membrane that works fantastically as a second layer of protection for your roof. It's forged for application in a fully supported or unsupported slated, tiled or metal roof system. Compared to...
                          £17.55
                          incl. VAT
                          £17.55
                        • Cromar Vent 3 Light Breathable Membrane - 1m x 50mCromar Vent 3 Light Breathable Membrane - 1m x 50m
                            Cromar
                            Cromar Vent 3 Light Breathable Membrane - 1m x 50m
                            The Vent 3 Light Breathable Membrane by Cromar is an exceptional, high-performance breather membrane that works fantastically as a second layer of protection for your roof. It's forged for application in a fully supported or unsupported slated, tiled or metal roof system. Compared to...
                            £29.20
                            incl. VAT
                            £29.20
                          • Cromar Vent 3 Pro Breathable Membrane 1m x 50mCromar Vent 3 Pro Breathable Membrane 1m x 50m
                              Cromar
                              Cromar Vent 3 Pro Breathable Membrane 1m x 50m
                              Cromar Vent 3 Pro Breathable Membrane 1m x 50m comprises a micro-porous polypropylene film surrounded by a 3-layer fabric breather membrane. With its printed light green upper surface and white underside, Vent 3 Pro suits all roofing systems, including tiled, slated, and metal roofs....
                              £51.48
                              incl. VAT
                              £51.48
                            • Cromar Vent 3 Air High Performance Breathable Membrane 1m x 50mCromar Vent 3 Air High Performance Breathable Membrane 1m x 50m
                                Cromar
                                Cromar Vent 3 Air High Performance Breathable Membrane 1m x 50m
                                Cromar Vent 3 Air High Performance Breathable Membrane with a high permeable breather membrane. Cromar's technicians formulated and crafted this product to achieve the new NHBC building regulations whilst also achieving added bonuses. Some of these include improved energy efficiency, reduced risk of moisture-related...
                                £100.91
                                incl. VAT
                                £100.91
                              • Klober Permo Air 160 Breather Membrane - 1.5m x 50mKlober Permo Air 160 Breather Membrane - 1.5m x 50m
                                Klober
                                Klober Permo Air 160 Breather Membrane - 1.5m x 50m
                                £223.87
                                incl. VAT
                                £223.87
                                Out Of Stock
                                Out Of Stock
                              • Cromar Vent 3 Classic Breathable Membrane - 1m x 50mCromar Vent 3 Classic Breathable Membrane - 1m x 50m
                                Cromar
                                Cromar Vent 3 Classic Breathable Membrane - 1m x 50m
                                The Vent 3 Classic Breathable Membrane by Cromar is an outstanding secondary layer protection for your roof. This breathable membrane is fitted behind the first layer of defence, preventing any water that passes through from entering your roofing space, instead being redirected into the...
                                £33.21
                                incl. VAT
                                £33.21
                                Out Of Stock
                                Out Of Stock
                              • Cromar Vent 3 High Performance Breathable Membrane - 1m x 50mCromar Vent 3 High Performance Breathable Membrane - 1m x 50m
                                Cromar
                                Cromar Vent 3 High Performance Breathable Membrane - 1m x 50m
                                The Cromar Vent 3 High Performance Breathable Membrane – 1m x 50m delivers superior protection. With its triple-layer design, sitting beneath the roof’s first layer. The purpose of a membrane is to prevent unwanted rainwater driven by wind that breaches the first layer on...
                                £37.87
                                incl. VAT
                                £37.87
                                Out Of Stock
                                Out Of Stock
                              • Cromar Vent 3 Light Breathable Membrane – 1.5m x 50mCromar Vent 3 Light Breathable Membrane – 1.5m x 50m
                                Cromar
                                Cromar Vent 3 Light Breathable Membrane – 1.5m x 50m
                                The Cromar Vent 3 Light Breathable Membrane – 1.5m x 50m is an exceptional, high-performance breather membrane that works fantastically as a second layer of protection for your roof. This membrane works seamlessly in fully supported or unsupported slated, tiled, or metal roof systems....
                                £43.78
                                incl. VAT
                                £43.78
                                Out Of Stock
                                Out Of Stock

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