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Damp Proofing

Does it need treating?

Anonymous user 3 March 2024 - 3.44 PM

We have blocked an outside door where there is some damp. We are turning that space into a small wc and are unsure whether this needs a full damp course or something smaller as the source of the damp has gone (we have also replaced the floorboards which are going to be tiled). The wall with the damp is mainly going to be blocked into a cupboard (internal wall) and some will be plastered over. We're not sure what route to take at this point.

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4 Answers

Hertfordshire Construction Services LTD

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Stevenage
Hi there,in my opinion this would only be caused by no dpc/membrane. Therefore causing rising damp,this could be easily checked by removing bricks on your dpc course or a small peice of the internal floor. Hope this helps Thanks Terry HCCS
Answered1 January 2023
4

Anonymous user

one way to rectify this would be to strip the plaster up to 2m high or 1m past the damp area, inject dpc cream at the low level and using dpm on the wall to stop the mould and salts coming through. then finally re-plaster and all should be good
Answered4 January 2023
1

MDL plastering

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Harrow
I would hack off where the damp was 1.5 meters high and use sika1 in the render and check air flow in the room
Answered24 January 2023
0

Anonymous user

Remove all old plaster up to 1.2 metres 2 coat thoro seal damp proof slurry on block / brick work ,then sand cement render then skim
Answered30 January 2023
0