This Keystone CFS/K-70 WIL lintel is produced from galvanised steel and supplied in a 4350mm length. It is designed as an extra heavy duty cavity lintel, suitable for structural support above wide wall openings in cavity wall construction.
Typically used by builders and contractors, it suits cavity widths from 70mm to 85mm and is compatible with an inner leaf of 125–150mm and an outer leaf of 102mm. The lintel is installed to provide stability and efficient load transfer over doors, windows, or other openings on site.
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