Concrete lintels which way up

It should only be introduced after initial masonry load has been applied to the lintel. Steel Lintels Installation Guide. Steel Lintels should be installed with a minimum end bearing of mm, bedded on mortar and levelled along its length and across its width. The masonry above the lintel should be built in accordance with BS EN Lintel position within a cavity wall.

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Do you need a lintel above an internal door? Are concrete lintels stronger than steel? What is the difference between a lintel and RSJ? How thick should a lintel be? What is the longest Catnic lintel? Is it OK to drill into a lintel? Do you need planning permission to remove a load bearing wall? Building Regulations.

How long do steel lintels last? Why do we use lintels? What size Catnic lintel do I need? Similar Asks. When i first started in the trade pcc lintels did have a 'way up' indicator pressed into the concrete.

This, as far as i am aware, does not apply today. Lintels are ambidextrous You can lay them either way up unless otherwise stamped. We did put the flat side down, and that was the side with the wire in. The problem is that it looks like it is bowing in the middle, but it hasn't got any load on it.

Pre tensioned. The steel wire is under tension before the concrete sets,. Tha t would not work. The steel is tensioned after the concrete sets so it compresses toe concrete - you can't do this when the concrete is wet.

IJWS15 , 9 Nov Before the lintel can be laid the bearings must first be in place When forming your bearings measure up from the top of sill height but allow for a mm bed underneath the lintel.

If the lintel has only one reinforcing bar this must on the underside of the lintel. Measure down to top of sill height and up to the underside of the lintel and tap with a lump hammer to achieve the desired height. The front of the lintel must then be plumbed in with the wall below, and the top or underside levelled across the horizontal. Photo Credit: Designlazy.