Okay to use lightweight thermalite blocks for bricking up awindow (cavity wall)
On Wednesday, 17 August 2016 07:34:26 UTC+1, Andy Burns wrote:
You'd probably want to use a strip of "cavity closer" bottom and sides
of the new opening, and whatever lintel at the top.
https://www.travisperkins.co.uk/Product/c/c/c/c/c/1500218
You don't need a lintel when the blocks will support the triangle of brickwork above. Nor do you need a cavity closer, just complete the wall & insulation the same way as the rest of it.
NT
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