This insulated steel box lintel is designed for supporting masonry over openings in external walls. Manufactured from galvanised steel, it provides structural support where load-bearing is required above doors or windows in cavity wall construction.
Typically installed by bricklayers or general builders, the product suits wall widths between 100mm and 215mm. Its integrated insulation helps to reduce thermal bridging, making it suitable for use where energy efficiency is a consideration. The lintel is commonly fixed in position before masonry work continues above the opening.
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