This Keystone extra heavy duty cavity lintel is manufactured from galvanised steel and supplied in a 1500mm length. Designed for supporting masonry over structural openings, it is suitable for both domestic and commercial projects where added strength is required.
Compatible with cavity widths between 50mm and 65mm, it can be built into openings with a 102mm outer leaf and 125–150mm inner leaf. Commonly used above windows and doorways in cavity wall applications, it provides structural support during brick or block installation on site.
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