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Debris in cavity wall following window installation

Hi, we recently had new sliding doors installed. Two courses of bricks were removed and a lot of debris fell into the cavity wall. We were concerned, the installer said it didn't matter because it was below the damp proof course. We are still concerned it may cause a problem with damp. Can you please advise if the installer was correct in what he was saying. Thank you

1 Answer from a MyBuilder Window & Door Fitter

Hi

That is correct if it is below the damp course it can't come up the wall that's this is why damp courses are put in place to stop damp from Rising but should have been cleaned out thoroughly before fitting sliding doors hope this helps

2017-09-11T09:15:01+01:00

Answered 11th Sep 2017

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