Hi there,
I am wanting to fit an extractor fan in the bathroom but the bathroom only has one exterior wall on which is a window with only about 2' of wall on either side. I am wondering what implications there will be to sticking a hole in the wall underneath the lintel. Would a 4" hole cause a problem?
Thanks in advance, Ric.
Directly under the lintel where it gets it support from the wall underneath would be one to avoid for me. Depends how much it extends into the wall I suppose.
It depends on a number of factors:
Unless the answers are 250mm or more, not much, and a decent distance (maybe
400mm?) it doesn't sound like a very good idea!
I'd advise you not to drill holes in the lintel as holes will greatly weaken it. If you have two feet of wall either side of the window, then these areas should be your plan of attack.
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