{"product_id":"trade-premium-xps-cavity-closer","title":"TRADE Premium XPS Cavity Closer (Pack of 10)","description":"\u003ch3\u003eTRADE Premium XPS Cavity Closer – 50–100mm (Pack of 10)\u003c\/h3\u003e\n\nThe \u003cstrong\u003eTRADE Premium XPS Cavity Closer\u003c\/strong\u003e is a high-performance solution designed to effectively close cavities around window and door openings in masonry and timber frame constructions. Made from rigid \u003cstrong\u003eextruded polystyrene (XPS) insulation\u003c\/strong\u003e, this premium closer provides excellent thermal insulation, helping to eliminate cold bridging and improve the overall energy efficiency of your build.\n\nEach length is lightweight, easy to handle, and simple to cut to size, making installation quick and efficient. The adjustable profile suits cavity widths from \u003cstrong\u003e50mm to 100mm\u003c\/strong\u003e, providing a versatile fit for a wide range of applications.\n\nIdeal for both new builds and refurbishments, the TRADE Premium XPS Cavity Closer offers a neat, durable, and thermally efficient finish around window and door reveals — ensuring compliance with building regulations and long-lasting performance.\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\nManufactured from \u003cstrong\u003ehigh-quality extruded polystyrene (XPS)\u003c\/strong\u003e for superior insulation.\n\n\u003cstrong\u003eAdjustable width (50–100mm)\u003c\/strong\u003e for versatile installation.\n\nPrevents \u003cstrong\u003ecold bridging\u003c\/strong\u003e around window and door openings.\n\n\u003cstrong\u003eLightweight and easy to install\u003c\/strong\u003e – simply cut to fit.\n\nSuitable for both \u003cstrong\u003emasonry and timber frame constructions\u003c\/strong\u003e.\n\nSupplied in a \u003cstrong\u003epack of 10 lengths\u003c\/strong\u003e for convenience and value.\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\nClosing cavities around window and door openings.\n\nUse in masonry and timber frame walls.\n\nIdeal for new build and retrofit insulation projects.\n\nEnsures compliance with thermal performance and building regulations.\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nMaterial: Extruded Polystyrene (XPS)\n\nAdjustable Cavity Range: 50–100mm\n\nPack Quantity: 10 lengths\n\nApplication: Cavity closure for window and door reveals\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\nCut the cavity closer to the required length and fit it snugly into the cavity around window or door openings. Ensure the closer is flush with the outer face of the wall before fixing. Always follow the manufacturer’s installation guidelines for best results.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eWhat does a cavity closer do?\u003c\/h4\u003e A cavity closer seals the cavity around window and door openings, preventing cold bridging, moisture ingress, and air leakage — helping to improve the building’s energy efficiency. \u003ch4\u003eCan this cavity closer be used in both masonry and timber frame walls?\u003c\/h4\u003e Yes. The TRADE Premium XPS Cavity Closer is suitable for both masonry and timber frame construction, making it a versatile choice for a variety of building projects. \u003ch4\u003eWhat cavity sizes does this product fit?\u003c\/h4\u003e This adjustable model fits cavity widths from \u003cstrong\u003e50mm to 100mm\u003c\/strong\u003e, providing flexibility across different wall designs. \u003ch4\u003eHow many lengths come in a pack?\u003c\/h4\u003e Each pack contains \u003cstrong\u003e10 lengths\u003c\/strong\u003e of TRADE Premium XPS Cavity Closer, offering great value for professional and large-scale installations.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/insulation\"\u003einsulation\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/insulation-accessories\"\u003einsulation accessories\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Samac Fixings","offers":[{"title":"50-100mm","offer_id":51769299861846,"sku":"162692","price":79.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/trade-premium-xps-cavity-closer-pack-of-10-2300251.jpg?v=1772639658","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/trade-premium-xps-cavity-closer","provider":"JJ Building Materials","version":"1.0","type":"link"}