{"product_id":"novia-black-fc125-breather-membrane-floor-cassette-breather-membrane-50m-x-1m-50m","title":"Novia Black+ FC125 Breather Membrane Floor Cassette Breather Membrane - 50m x 1m (50m²)","description":"\u003cp data-start=\"265\" data-end=\"540\"\u003eNovia® Black+ FC125 is a 3-layer floor cassette membrane designed for use in timber frame wall constructions. It is installed around the floor cassette at junctions and connected to the internal Air \u0026amp; Vapour Control Layer (AVCL) to maintain airtightness at floor connections.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"838\"\u003eThe membrane incorporates a microporous core and provides Class W1 resistance to water penetration in accordance with EN 1928. It is airtight while remaining vapour permeable, with an Sd value of 0.029m (EN ISO 12572), allowing moisture vapour to pass through while limiting unwanted air leakage.\u003c\/p\u003e\n\u003cp data-start=\"840\" data-end=\"1086\"\u003eNovia® Black+ FC125 is used to reduce the risk of interstitial condensation at wall panel and floor junction details. The membrane is black on one side and grey on the reverse, with no printed text or images other than a 150mm overlap guide line.\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1144\"\u003eThe product is UKCA marked to EN 13859-1 and EN 13859-2.\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":52341823603035,"sku":"52341823603035","price":44.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7763\/0299\/files\/Black_FC125.jpg?v=1770826774","url":"https:\/\/www.nationalinsulationsupplies.com\/products\/novia-black-fc125-breather-membrane-floor-cassette-breather-membrane-50m-x-1m-50m","provider":"National Insulation Supplies","version":"1.0","type":"link"}