Damp Patches on Entire Wall

plumb1_2

Ben1989 said:

Moisture meter 

Throw it in the bin.

maydin

Maybe the damp is coming from the windows itself, as the windows does not provide a good insulation, which result in mold

maydin

Proper unwanted mold, we had a similar scenario, which problem was resolved, once we have changed the windows as they were very outdated.

markin

Is it still wet, Or is it just stained now? Did you do a mist coat?

Ben1989

The moisture meter all over the wall shows 6%. Every other wall is 0%. 

Can't really tell if it's wet. Yes. I used a mist coat. Two coats in fact.

Ben1989

So I’ve had another damp guy round this week. He feels the outside render isn’t too bad and said the brickwork is old wetness and is drying out through the internal wall. He recommended hacking off the internal plaster to brick, let it dry for a few weeks, then tank, board and skim. £4,500 (north west). 

Then I said well, what would happen with the brickwork if there is indeed penetrating damp and it’s blocked? He said it’d just stay wet…can’t be good that?

DougMLancs

You’re right, it’s just obscuring/relocating the problem. The water has to go somewhere. I don’t think I’ve heard of a damp ‘specialist’ suggest any solution other than strip, tank, board and skim… in my case I saved the £5000 quoted for the same, hired an angle grinder and removed the concrete/render bridging the DPC. 8 months on and not a whiff of damp. In your case the point of ingress is less obvious though. 

Ben1989

I'm certainly not scared to get my hands dirty but I just don't where to even start. I have young kids as well and just simply don't have the time. Sometimes when you pay it just gets done. The box room is on this gable wall and it's preventing our young one moving in. So i'm considering just accepting and tackling the render in a year or two. I may even just leave it off.

markin

Is it still at 6% now? I don't know what level would be dry enough for new paint, but 6% sounds fairly low.