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Damp Proofing

Damp diagnosis and alternative to airbrick

Anonymous user 23/02/2024 - 3.05 PM

Ive got a damp underlay and carpet in a corner of my lounge and it looks like its coming up from damp soil under the floorboards. Im thinking i need to vent underfloor better as only got airbricks on front of house and none on this side of house. However, it will be tricky to install airbricks on the problem wall due to a raised path outside (a 4" trench has been dug to lower path levels to match indoor floor level but no lower), and floor joists right up to the wall on the inside. So can i drill a hole in my wall and floorboards and vent to outside with a 110mm soil pipe intead? This has been done further down the house in a different room and seems to be dry underfloor there. Would this work and maybe solve my issue? Any help appreciated p.s i live on a hill if that has any bearing on water levels under my house.cheers. i can send pics if this would help

Are you a tradesperson and able to answer this question?

1 Answer

Anonymous user

The answer to your problem is in the question. Make sure all external soil/footpath is at least 12 inches below the damp course/internal floor, otherwise your damp course is useless.
Answered18 January 2017
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