damp bathroom floor 1930s house
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Lydialala
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damp bathroom floor 1930s house

by Lydialala » Wed Jul 31, 2024 11:52 am

I've taken tiles up in a ground floor bathroom. The floor is concrete (same as the rest of the house), with what looks like bitumen dpc. There seems to be a patch that seems damp and the concrete thin/sandy? I was going to use self leveller before putting down lino (so that the floors feel a bit warmer under foot)! What is the best approach to fix / sort this before moving ahead? The pictures hopefully show the issue.
Attachments
bathroom 2.JPG
bathroom 1.JPG

stoneyboy
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Re: damp bathroom floor 1930s house

by stoneyboy » Mon Aug 12, 2024 9:55 pm

Hi lydialala,
In view of the age of your house it may be that there was no integral DPM but bitumen adhesive/paint with a layer of asbestos based tiles formed the DPM. Suggest you remove all loose material, paint a couple of layers of bituminous paint over the whole floor, then apply a layer of self levelling compound. It’s probably best to remove the loo pan until there is a new surface.
Regards S

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