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fill hole around pipe
IreneMot
Posts: 46 Forumite
hello all,
I am adding a new extractor fan to the kitchen and looking for some help on filling around the pipe. the instructors say to mortar it in but not a 100% sure how to do that. I have manage to fill the gap on the other side but that was a bigger hole.
any tips or recommendions would be great. here is a photo to show the gap around pipe, the gap is about 2.9cm give or take

I am adding a new extractor fan to the kitchen and looking for some help on filling around the pipe. the instructors say to mortar it in but not a 100% sure how to do that. I have manage to fill the gap on the other side but that was a bigger hole.
any tips or recommendions would be great. here is a photo to show the gap around pipe, the gap is about 2.9cm give or take

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Comments
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I normally fill the gap with expanding foam, then remove about 25mm from around the two outside faces and fill with mortar.The comments I post are my personal opinion. While I try to check everything is correct before posting, I can and do make mistakes, so always try to check official information sources before relying on my posts.2
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As above ....Ex forum ambassador
Long term forum member1 -
. . . Or rockwool-type insulation, or newspaper. I’ve discovered both during renovations. Builders seem to use whatever they have to hand. As above, it’s only the final inch or so that gives the cosmetic finish.0
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thank you for help everyone and I have just put some foam into the gap today and all is good just waiting for it to set.
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