This Keystone extra heavy duty cavity lintel is designed for structural openings, providing robust support over doorways and windows in cavity wall construction. Manufactured from galvanised steel, it is suitable for use with cavity widths between 70 and 85mm, accommodating inner leaf sizes of 125–150mm and an outer leaf of 102mm.
At 3300mm in length, this lintel is commonly installed in larger spans on-site, where additional load-bearing capacity is necessary. Its extra heavy duty profile makes it suitable for applications requiring enhanced structural support, especially in commercial or high-load scenarios.
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