{"product_id":"r15-prestressed-concrete-lintel","title":"R15 Prestressed Concrete Lintel","description":"\u003ch3\u003eR15 Prestressed Concrete Lintel\u003c\/h3\u003e\n\nThe R15 Prestressed Concrete Lintel is a high-quality structural support manufactured in the UK by Stressline. Designed to provide strength, durability, and long-term reliability, it is suitable for a wide range of structural openings in both residential and commercial construction. Its universal profile means it can be installed either way up, offering flexibility during installation and simplifying on-site work.\n\nProduced under strict quality control processes, these lintels are fully compliant with the relevant British Standards, ensuring consistent performance throughout the build. For safe and effective installation, a minimum end bearing of 150 mm is required on each side of the opening.\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e100 × 140 × 900 mm\u003c\/li\u003e \u003cli\u003e100 × 140 × 1200 mm\u003c\/li\u003e \u003cli\u003e100 × 140 × 1500 mm\u003c\/li\u003e \u003cli\u003e100 × 140 × 1800 mm\u003c\/li\u003e \u003cli\u003e100 × 140 × 2400 mm\u003c\/li\u003e \u003cli\u003e100 × 140 × 3000 mm\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eWhat is a prestressed concrete lintel used for?\u003c\/h4\u003e It is used to support structural openings such as doors and windows by transferring loads safely to the surrounding masonry. \u003ch4\u003eWhy does the lintel need a 150 mm end bearing?\u003c\/h4\u003e A minimum 150 mm bearing ensures the lintel transfers weight effectively into the supporting walls, maintaining structural integrity and safety. \u003ch4\u003eCan this lintel be installed either way up?\u003c\/h4\u003e Yes. The universal profile is designed for flexible installation, allowing the lintel to be used in either orientation without affecting performance.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/building-supplies\"\u003ebuilding supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/concrete-lintels\"\u003econcrete lintels\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"JJ Building Materials","offers":[{"title":"100x140x3000mm","offer_id":51815729168726,"sku":"163426","price":57.12,"currency_code":"GBP","in_stock":true},{"title":"100x140x900mm","offer_id":51815729201494,"sku":"163427","price":21.6,"currency_code":"GBP","in_stock":true},{"title":"100x140x1800mm","offer_id":51815729234262,"sku":"163428","price":34.08,"currency_code":"GBP","in_stock":true},{"title":"100x140x2400mm","offer_id":51815729267030,"sku":"163429","price":47.03,"currency_code":"GBP","in_stock":true},{"title":"100x140x1500mm","offer_id":51815729299798,"sku":"163430","price":29.28,"currency_code":"GBP","in_stock":true},{"title":"100x140x1200mm","offer_id":51815729332566,"sku":"163431","price":24.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/r15-prestressed-concrete-lintel-1700338.jpg?v=1772639294","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/r15-prestressed-concrete-lintel","provider":"JJ Building Materials","version":"1.0","type":"link"}