{"title":"Breather Membranes for use externally","description":"A Breather Membrane is designed to be fitted to the external (cold) side of a build-up. The \u003cspan data-mce-fragment=\"1\"\u003eBreathable Membrane is waterproof against wind, rain and snow, but also vapour-permeable which allows the passage of water vapour or moisture through the membrane. The benefit to this is when installed in a build-up in conjunction with an internal \u003ca href=\"https:\/\/insulationmerchant.com\/collections\/vapour-control-layer\" title=\"Vapour Control Layer\"\u003eVCL (Vapour Control layer)\u003c\/a\u003e, it helps control the movement of moisture through the structure from the inside to the outside which can avoid potential condensation issues.\u003c\/span\u003e","products":[{"product_id":"protect-vp400-plus-lr-vapour-permeable-roofing-underlay","title":"Protect VP400 PLUS LR Vapour Permeable Roofing Underlay - 1m x 50m","description":"\u003cp\u003e\u003cstrong\u003eProtect VP400 PLUS LR\u003c\/strong\u003e is a highly vapour permeable roof underlay \/ felt alternative. It offers the lowest vapour resistance of any Type LR roofing underlay in its class, and yet it remains completely airtight. It is suitable for use in all pitched roofs. Protect VP400 PLUSLR is both CE-marked and BM TRADA certified.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO9001\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- Quality Management Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO14001\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e- Environmental Management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS OHSAS18001 \u003c\/strong\u003e- Occupational Health \u0026amp; Safety Management Systems\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBM TRADA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCE Mark\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Protect Membranes","offers":[{"title":"Default Title","offer_id":16140973703214,"sku":"PT\/VP400","price":99.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/files\/Protect_VP400_PLUS_LR_Vapour_Permeable_Roofing_Underlay_-_1m_x_50m_Insulation_Merchant.webp?v=1738234394"},{"product_id":"protect-tf200-thermo-insulating-breather-membrane","title":"Protect TF200 Thermo Insulating Timber Frame Breather Membrane (1.5 2.7 \u0026 3m)","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePlease note, TF200 Thermo now comes with a white back surface.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProtect TF200 Thermo\u003c\/strong\u003e is a robust, highly reflective, insulating breather membrane which has been developed to enhance the thermal performance of timber frame walls and offers Class 1 surface spread of flame to BS 476-7. It provides a significant thermal benefit along with strength and performance enhancements over other reflective breather membranes.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eISO9001\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- Quality Management Systems\u003cbr\u003e\u003cstrong\u003eISO14001\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e- Environmental Management\u003cbr\u003e\u003cstrong\u003eBS OHSAS18001 \u003c\/strong\u003e- Occupational Health \u0026amp; Safety Management Systems\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Protect Membranes","offers":[{"title":"1.5m x 50m (75m²)","offer_id":53376021299586,"sku":"PT\/TF200TH-1.5","price":192.9,"currency_code":"GBP","in_stock":true},{"title":"2.7m x 100m (270m²)","offer_id":53376021332354,"sku":"PT\/TF200TH-27","price":479.9,"currency_code":"GBP","in_stock":true},{"title":"3m x 100m (300m²)","offer_id":53379614114178,"sku":"PT\/TF200TH-3","price":626.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/1270\/7886\/files\/Protect_TF200_Thermo_Insulating_Timber_Frame_Breather_Membrane_Insulation_Merchant.png?v=1729865079"},{"product_id":"protect-tf200-insulating-breather-membrane","title":"Protect TF200 Timber Frame Breather Membrane","description":"\u003cp\u003e\u003cstrong\u003eProtect TF200\u003c\/strong\u003e is a high-performance, water-resistant membrane with high wet strength and water vapour permeability. 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