A lintel is a horizontal beam, used to give structural strength and support around openings such as doors and windows.  Lintels can either consist of metal, concrete or wood – and all are subject to decay.

Metal lintels can rust and expand and cause the surrounding brickwork to crack, causing structural damage

Procedure:

The opening is supported structurally before cutting out the existing lintel. 
Galvanised lintels are used to replace the rusting or cracked lintels which ensure the problem does not re-occur.

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