This Keystone Cavity Wall Extreme Lintel is designed for cavity wall construction where higher load requirements are expected. Manufactured from galvanised steel, it measures 3450mm in length and is suitable for cavities between 50mm and 65mm.
It is typically installed in new-build projects or major renovations, providing structural support above openings such as doors and windows. The lintel accommodates a 140–150mm inner leaf and a 102mm outer leaf, making it suited to standard brick and block configurations.
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