{"product_id":"csm-600g-1-2-roll-27-5-metres","title":"Chopped Strand Mat 600g 1\/2 Roll (27.5 metres)","description":"\u003cp data-start=\"1039\" data-end=\"1406\"\u003e\u003cstrong data-start=\"1039\" data-end=\"1072\"\u003e600g Chopped Strand Mat (CSM)\u003c\/strong\u003e is a heavy-duty reinforcement used within GRP fibreglass roofing systems where additional laminate strength and durability are required. Manufactured from \u003cstrong data-start=\"1228\" data-end=\"1311\"\u003eE-glass fibres randomly distributed and bonded together with an emulsion binder\u003c\/strong\u003e, the mat forms the structural reinforcement layer when laminated with polyester roofing resin.\u003c\/p\u003e\n\u003cp data-start=\"1408\" data-end=\"1706\"\u003eThe \u003cstrong data-start=\"1412\" data-end=\"1494\"\u003e600g grammage refers to the weight of glass fibres per square metre of matting\u003c\/strong\u003e. In GRP roofing systems, the structural strength of the finished laminate comes from the \u003cstrong data-start=\"1584\" data-end=\"1657\"\u003ecombination of chopped strand glass reinforcement and polyester resin\u003c\/strong\u003e, as resin on its own becomes brittle once cured.\u003c\/p\u003e\n\u003cp data-start=\"1708\" data-end=\"1896\"\u003eCompared with \u003cstrong data-start=\"1722\" data-end=\"1749\"\u003e450g chopped strand mat\u003c\/strong\u003e, the 600g version produces a \u003cstrong data-start=\"1779\" data-end=\"1800\"\u003estronger laminate\u003c\/strong\u003e, making it suitable for installations where additional reinforcement or durability is required.\u003c\/p\u003e\n\u003cp data-start=\"1898\" data-end=\"2080\"\u003eThe consistent fibre distribution allows for \u003cstrong data-start=\"1943\" data-end=\"1991\"\u003eefficient wet-out and good resin penetration\u003c\/strong\u003e, helping installers consolidate the laminate and reduce trapped air during installation.\u003c\/p\u003e\n\u003cp data-start=\"2082\" data-end=\"2288\"\u003eAs a general guide for roofing laminates, installers typically use \u003cstrong data-start=\"2149\" data-end=\"2231\"\u003eapproximately 2kg of resin per m² when laminating with 600g chopped strand mat\u003c\/strong\u003e, including an allowance for normal installation wastage.\u003c\/p\u003e\n\u003cp data-start=\"2290\" data-end=\"2475\"\u003eThis \u003cstrong data-start=\"2295\" data-end=\"2335\"\u003e600g Half Roll of chopped strand mat\u003c\/strong\u003e is supplied in a convenient \u003cstrong data-start=\"2364\" data-end=\"2385\"\u003e27.5 metre length\u003c\/strong\u003e, making it ideal for \u003cstrong data-start=\"2407\" data-end=\"2474\"\u003emedium sized roofing projects where a full roll is not required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2477\" data-end=\"2480\"\u003e\n\u003ch2 data-section-id=\"1ihnine\" data-start=\"2482\" data-end=\"2500\"\u003eSizes Available\u003c\/h2\u003e\n\u003cp data-start=\"2502\" data-end=\"2596\"\u003e600g chopped strand mat is available in multiple sizes to suit different project requirements:\u003c\/p\u003e\n\u003cul data-start=\"2598\" data-end=\"2725\"\u003e\n\u003cli data-section-id=\"1vx0xpp\" data-start=\"2598\" data-end=\"2627\"\u003e\n\u003cp data-start=\"2600\" data-end=\"2627\"\u003e\u003cstrong data-start=\"2600\" data-end=\"2625\"\u003eFull Roll – 55 metres\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"103x7lv\" data-start=\"2628\" data-end=\"2659\"\u003e\n\u003cp data-start=\"2630\" data-end=\"2659\"\u003e\u003cstrong data-start=\"2630\" data-end=\"2657\"\u003eHalf Roll – 27.5 metres\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m47ko4\" data-start=\"2660\" data-end=\"2695\"\u003e\n\u003cp data-start=\"2662\" data-end=\"2695\"\u003e\u003cstrong data-start=\"2662\" data-end=\"2693\"\u003eQuarter Roll – 13.75 metres\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18w8avz\" data-start=\"2696\" data-end=\"2725\"\u003e\n\u003cp data-start=\"2698\" data-end=\"2725\"\u003e\u003cstrong data-start=\"2698\" data-end=\"2725\"\u003eCut per metre available\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ALL","offers":[{"title":"Default Title","offer_id":37519417213091,"sku":"H600","price":53.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/products\/IMGL0472-H600.jpg?v=1617055069","url":"https:\/\/fibreglassroofkits.com\/products\/csm-600g-1-2-roll-27-5-metres","provider":"Fibreglass Roof Kits","version":"1.0","type":"link"}