This Keystone extra heavy duty cavity lintel is constructed from galvanised steel and measures 4500mm in length. Designed for masonry cavity wall construction, it features a central trough to accommodate cavity widths of 50 to 65mm and is suitable for use with 100mm inner blockwork and 125–150mm outer leaf masonry.
Typically installed above window and door openings, this lintel distributes structural loads across the cavity while supporting the masonry above. Its galvanised finish adds protection against corrosion, making it a practical choice for a range of new build and extension projects where enhanced load bearing is required on site.
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