{"product_id":"keystone-steel-box-lintel-box-k-100-4500-x-215mm-high-kbx145","title":"Keystone Steel BOX Lintel BOX\/K-100 4500 x 215mm High KBX145","description":"\u003cp\u003eThis is a box lintel manufactured from galvanised steel, designed for supporting brickwork or blockwork over structural openings. The 4500mm length makes it suitable for wide spans in both residential and commercial builds where a robust solution is needed.\u003c\/p\u003e\u003cp\u003eTypically installed within external cavity, solid, or internal partition walls with widths from 100mm to 215mm, this lintel provides support above windows, doors, or other voids. Its box section form offers strength during the construction process while accommodating various wall thicknesses commonly used on site.\u003c\/p\u003e","brand":"Keystone Lintels","offers":[{"title":"Default Title","offer_id":53107637748048,"sku":"U0127434","price":577.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/43b7bc5655c2abd62aaacb87c625f0d3.png?v=1780577638","url":"https:\/\/totalsite.supply\/products\/keystone-steel-box-lintel-box-k-100-4500-x-215mm-high-kbx145","provider":"Total Site Supply UK","version":"1.0","type":"link"}