rising damp in middle room

Question

i have a mid terrace house and there is rising damp on a wall that was once was a fire place this wall has been bricked and plastered any ideas

Duncan · Accepted Answer

Fireplaces are commonly known to harbour damp or emit salts that penetrate the plaster. 
It’s important with damp that the problem causing the issue is resolved ie. Is the chimney capped outside? 
Make sure the old fire place, if sealed, has adequate venting? 
Is it rising damp?
Without looking it is hard to say.
Dry zone have a system where a membrane is fixed onto the surface which will act as a barrier between any damp or salts . This then can be plastered.
There are plenty of YouTube videos on this issue. Check ‘damp Sam’.

Karl · Answer

Hopefully they caped the chimney off but more likely just done on the on a low budget go outside and look up at the chimney see if it has a mushroom looking thig on top of the chimney pot

Michael · Answer

check your out side of the house to see if there is air bricks blocked some case i have seen this by having a drive way  witch has not be done probably and gone over dp leavel check in the loft to see if your felt has any holes

Danny · Answer

check your out side of the house to see if there is air bricks blocked some case i have seen this by having a drive way witch has not be done probably and gone over try that

Lee · Answer

i would be saying that water is getting in from above. the roof chimney probably hasn't been capped off or the pointing and brick have corroded letting water in

Kim · Answer

Hi it could be damp in which case you would need to inject a damp proof course or if it is stains it could be caused by the soot from the old fire place ,This would require blocking the stain and some new plastering to stained areas

Paul · Answer

Sounds like a lack of ventilation to us, do you have any photos?

Nathan · Answer

Was there a chimney for the fire place if so it may be there being a leak if there was has anyone looked at the patch work that's been done?

Robert · Answer

Check if there is chimney cowl,it could be raining in. 
Or it may need ventilation as bricked up chimneys need vent.

Jake · Answer

Hi ,

I would say your chimney either needs capping off properly and or maybe even repointing .

rising damp in middle room

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