{"product_id":"novia-a1f-standard-building-paper-1m-x-50m","title":"Novia A1F Standard Building Paper 1m x 50m","description":"\u003cp\u003e\u003cb\u003eNovia® A1F Building Paper\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a traditional reinforced kraft paper which has \u003cspan\u003ebeen laminated together using bitumen. Manufactured using wet-strength \u003c\/span\u003e\u003cspan\u003ekraft paper and meeting the technical requirements of BS 1521 for \u003c\/span\u003e\u003cspan\u003ewaterproof building papers, \u003cb\u003eNovia® A1F\u003c\/b\u003e has a polymer reinforcement scrim \u003c\/span\u003e\u003cspan\u003erunning throughout the bitumen core of the material. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eNovia® A1F\u003c\/b\u003e meets the highest specification of BS 1521, class\u003c\/span\u003e\u003cspan\u003e A1F, making it suitable for a wide range of user defined \u003c\/span\u003e\u003cspan\u003eprojects \u003c\/span\u003e\u003cspan\u003ewithin the construction industry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike many other recent developments in building membranes (eg breathable membranes and Air \u0026amp; Vapour Control Layers), BS 1521 does not give guidance on suitable use. As such\u003cb\u003e\u003cspan\u003e \u003c\/span\u003eNovia® A1F\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis a generic material, serving a wide range of end-user defined applications. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHowever, typical usage for \u003c\/span\u003e\u003cb\u003eNovia® A1F\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ehas naturally evolved over time and some\u003c\/span\u003e\u003cspan\u003e of the typical uses which has made A1F such a popular product for \u003c\/span\u003e\u003cspan\u003eseveral decades include:\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e• Vapour check \u0026amp; air movement barrier\u003c\/p\u003e\n\u003cp\u003e• Underlays on uninsulated cladding\u003c\/p\u003e\n\u003cp\u003e• Temporary protection\u003c\/p\u003e\n\u003cp\u003e• Separation layer\u003c\/p\u003e\n\u003cp\u003e• Bond breaks\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Draught and damp exclusion\u003c\/span\u003e\u003c\/p\u003e","brand":"Novia","offers":[{"title":"Default Title","offer_id":63280307405130,"sku":"A1F-1x50","price":140.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/2643\/1818\/files\/radon-2.webp?v=1787572085","url":"https:\/\/diamondds.co.uk\/products\/novia-a1f-standard-building-paper-1m-x-50m","provider":"DIAMOND DIRECT SUPPLIES","version":"1.0","type":"link"}