This is an extra heavy duty cavity lintel from Keystone, manufactured from galvanised steel and measuring 1800mm in length. It is designed for use in cavity wall construction where enhanced structural support is needed.
Suitable for a cavity width range of 50–65mm, it accommodates a 125–150mm inner leaf and a 102mm outer leaf. It is typically installed above doorways, windows, or other openings to transfer load across structural gaps in brick or block cavity walls.
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