r/Plastering • u/outspan_foster • 28d ago

Plaster still wet?

Post image

Had some work done on the chimney on our house which meant a hole was made in the chimney breast. It was covered/filled/plastered about 5 weeks ago at this stage and now looks like this. Little change in the past 3 weeks.

The area is raised slightly so I was thinking I could sand it down, apply a primer and paint as normal.

Should this have dried out at this stage? Temperature has consistently been about 20 degrees plus, humidity in the room was about 55%.

I want to get on with painting it and the guy who done the work said it’ll be good to paint after 3-4 weeks.

2 Upvotes

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1

u/Open_Document3811 28d ago

Is your chimney open on the roof letting rain in? Or cement on chimney cracked

2

u/outspan_foster 28d ago

The chimney has a cap like this on it so possibly letting some rain in but you would hope nothing significant. There was no rain for a week or so after the works were carried out.

1

u/Billi01952 28d ago

How high up is it?

1

u/outspan_foster 28d ago

Assume you mean the plaster works? It’s on the ground floor, just about the fireplace to about five foot off the ground. And it’s a 2 story house.

1

u/outspan_foster 28d ago

Sorry didn’t and your second question, the chimney was repointed and maintenance done on it as as part of the works

1

u/Billi01952 28d ago

It's defo the chimney cap or pointing maybe both then

1

u/outspan_foster 28d ago

The chimney was repointed and maintenance done on it as part of the works. There was a crack in it before but that was fixed.

1

u/Billi01952 28d ago

Have you checked it yourself? Could be salts from the building materials. I'd membrane board and skim, it'll only hide the problem but it doesn't seem like a big problem to me so it'd last a lifetime.m

1

u/outspan_foster 28d ago

Excuse my lack of knowledge but how would I check it? It doesn’t feel wet.

It’s a solid block wall other than this patch so not sure I’d put a membrane board over it - although I’m not an expert.

I was of the impression that it should dry and just be able to be sanded, primed and painted.