{"product_id":"corotop-light","title":"Corotop Light Breathable Roof Membrane 100gsm, 75m²","description":"\u003cp\u003eCorotop® Light is a highly vapour-permeable, three-layer roof membrane for pitched roofs with partial or incomplete boarding. Its functional film sits between polypropylene non-woven layers to help protect insulation against moisture while allowing water vapour to pass through the roof build-up.\u003c\/p\u003e\u003ch3\u003eWhere to use it\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInitial covering on sloped, insulated and ventilated roofs.\u003c\/li\u003e\n\u003cli\u003eUnder most roof coverings, including concrete tiles and metal roofing tiles.\u003c\/li\u003e\n\u003cli\u003eWind barrier in siding systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll:\u003c\/strong\u003e 1.5m × 50m; 75m² coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrammage:\u003c\/strong\u003e 100g\/m² (±10%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e three-layer PP \/ functional film \/ PP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e Class W1 before and after artificial ageing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater vapour diffusion Sd:\u003c\/strong\u003e 0.02m (-0.01 \/ +0.03m).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReaction to fire:\u003c\/strong\u003e Class E.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile strength:\u003c\/strong\u003e 200 N\/50mm longitudinal; 110 N\/50mm transverse (±20%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear resistance:\u003c\/strong\u003e 100 N longitudinal; 125 N transverse (±20%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature resistance:\u003c\/strong\u003e -40°C to +80°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum UV exposure:\u003c\/strong\u003e 3 months.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConformity:\u003c\/strong\u003e EN 13859-1:2010 and EN 13859-2:2010; CE marked. EPD available.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStore rolls upright, covered, ventilated and dry. Keep away from sunlight, high temperatures and chemical detergents while stored. Check your roof-system specification before installation.\u003c\/p\u003e","brand":"Corotop","offers":[{"title":"1.50 m × 50 m (75 m²)","offer_id":57082962084175,"sku":"COROTOP-LIGHT-150-50","price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/0207\/8799\/files\/AvyCSpNvpTzIhcDc.png?v=1789924835","url":"https:\/\/renderhub.co.uk\/products\/corotop-light","provider":"RenderHub","version":"1.0","type":"link"}