This Keystone steel box lintel is designed as a heavy duty structural support for openings in solid or cavity walls. Manufactured from galvanised steel, it offers robust construction suitable for general building projects that require reliable load distribution.
Typically used in masonry and brickwork, the lintel fits wall widths from 100mm to 140mm. It supports brick courses above doorways, windows, and structural apertures, making it a practical choice for new build and refurbishment work.
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