Keystone Galvanised Steel Lintels come prefabricated with insulation in the cavity. They can be propped to facilitate speed of construction. Lintels are used to support and strengthen the wall on top of windows and doors, protecting against the extra load.
Lintels must be built in with blockwork. Lintels are angled in the cavity section to direct moisture towards the leaf vents in the outer leaf or the drip lip built in to the lintel.
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