The lintel should be installed with a minimum end bearing of 150mm. Ensure that the lintel is fully bedded in a level position on mortar across its length and width. The masonry below the lintel should be built in accordance with EN 1996-1-1. Where required in external walls, a flexible damp proof course or cavity tray should be installed in accordance with current building regulations. Designed and manufactured in accordance with BS 8110. Do not cut into the lintel to form rebates or modify in any way , if in doubt please contact Supreme Concrete technical department.