{"product_id":"high-performance-breather-membrane-felt-underlay-75m","title":"Breather Membrane Felt Underlay – Durable – Residential \u0026 Commercial","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eOur High-Performance Breather Membrane Felt Underlay offers exceptional resistance against wind-driven rain and external moisture ingress. This vapour-permeable underlay is ideal for both ventilated and non-ventilated cold and warm roof constructions, ensuring durability and long-term service.\u003c\/p\u003e\u003cp\u003eConstructed from high-performance composite layers, the membrane maintains tensile strength and dimensional stability, facilitating straightforward handling, cutting, and installation. It supports controlled vapour movement from loft spaces while providing a water-resistant barrier.\u003c\/p\u003e\u003cdiv style=\"margin-top:30px;\"\u003e\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#1a1a2e;margin-bottom:16px;\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #e0e0e0;border-radius:4px;overflow:hidden;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#1a1a2e;\"\u003e\n\u003cth style=\"padding:12px 16px;text-align:left;color:#ffffff;font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:0.5px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:12px 16px;text-align:left;color:#ffffff;font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:0.5px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:12px 16px;font-weight:600;color:#333;border-bottom:1px solid #e9ecef;width:45%;\"\u003eWidth\u003c\/td\u003e\n\u003ctd style=\"padding:12px 16px;color:#555;border-bottom:1px solid #e9ecef;\"\u003e1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:12px 16px;font-weight:600;color:#333;border-bottom:1px solid #e9ecef;width:45%;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"padding:12px 16px;color:#555;border-bottom:1px solid #e9ecef;\"\u003e50m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:12px 16px;font-weight:600;color:#333;border-bottom:1px solid #e9ecef;width:45%;\"\u003eSales Unit\u003c\/td\u003e\n\u003ctd style=\"padding:12px 16px;color:#555;border-bottom:1px solid #e9ecef;\"\u003eRoll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:12px 16px;font-weight:600;color:#333;border-bottom:1px solid #e9ecef;width:45%;\"\u003eSales Unit Coverage\u003c\/td\u003e\n\u003ctd style=\"padding:12px 16px;color:#555;border-bottom:1px solid #e9ecef;\"\u003e50m2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable performance\u003c\/strong\u003e: Allows vapour escape while resisting moisture penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh tensile strength\u003c\/strong\u003e: Durable composite design for installation and service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind-uplift resistance\u003c\/strong\u003e: Suitable for ventilated and non-ventilated systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow water permeability\u003c\/strong\u003e: Reliable secondary weatherproof layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstaller friendly\u003c\/strong\u003e: Lightweight and flexible for easy handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage\u003c\/strong\u003e: Supplied in a \u003cstrong\u003e1.5m × 50m roll\u003c\/strong\u003e, offering \u003cstrong\u003e75m²\u003c\/strong\u003e of coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold or warm pitched roofs\u003c\/strong\u003e: Ideal beneath tiles and slates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefurbishment projects\u003c\/strong\u003e: Enhance underlay performance in roof upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew build roofing\u003c\/strong\u003e: Integrate within modern roof build-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind-exposed sites\u003c\/strong\u003e: Suitable for elevated wind resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll positioning\u003c\/strong\u003e: Install horizontally with appropriate laps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing method\u003c\/strong\u003e: Use corrosion-resistant staples or nails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLap formation\u003c\/strong\u003e: Adhere to guidelines for head and side laps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEaves and ridge detailing\u003c\/strong\u003e: Ensure proper drainage and ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance\u003c\/strong\u003e: Installation must meet BS 5534 standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can this membrane be used in non-ventilated roofs?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is suitable for both ventilated and non-ventilated roofs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tools are required for installation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Corrosion-resistant staples or nails are recommended for securing the membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does it comply with building standards?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, installation must comply with BS 5534 standards.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"londonbricks-uk.co.uk","offers":[{"title":"1m","offer_id":55516342419841,"sku":"MM_LB153","price":324.0,"currency_code":"GBP","in_stock":true},{"title":"1.5m","offer_id":55516342452609,"sku":"MM_LB154","price":360.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5329\/3624\/files\/e6ff1ceef0cde7f36d8b0e865a36ff0a.png?v=1775833169","url":"https:\/\/londonbricks-uk.co.uk\/products\/high-performance-breather-membrane-felt-underlay-75m","provider":"London Bricks UK","version":"1.0","type":"link"}