This standard cavity wall lintel from Keystone Lintels Ltd is designed for use in masonry construction where a robust support is required over openings such as doors and windows. It is made from galvanised steel and measures 4000mm in length, providing coverage for wider openings in new builds or extensions.
The lintel is suitable for walls with a cavity width between 150mm and 165mm and is compatible with inner leaf widths of 125–150mm and standard 102mm outer leaf brickwork. It is typically installed by bricklayers and builders to maintain structural integrity and accommodate insulation within the cavity wall detail.
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