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The Birtley galvanised cavity wall lintel is designed to support masonry loads and uniformly distributed timber floor loads. Manufactured from mild steel it is very strong due to the low amount of carbon. The cavity wall reduces the weights on the foundation and gives better thermal insulation.
*Supergalv coating offers superior life expectancy *Does not allow moisture content to enter because of the hollow space between leaves *The only range of steel lintels, fully hot-dip galvanized AFTER manufacture