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3 votes

What is the main difference between stopping and skimming when plastering and when to use each

Skimming probably does come from before plaster board became ubiquitous. Previously you'd apply a coat of undercoat plaster to the wall or laths and then a top coat to finish. …
ChrisF's user avatar
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2 votes

What should I use to prime an old plaster wall before skim-coating with new plaster?

No, use a weak solution of PVA in water (5 parts water to 1 part PVA) instead. Paint the wall with this and leave to dry, then re-skim.
ChrisF's user avatar
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3 votes

When do plaster cracks get bad enough to have an expert look at them

The important thing about cracks is not necessarily their absolute number or size - though if you've got a particularly long one it can be a sign of problems, but whether the number of cracks is growi …
ChrisF's user avatar
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6 votes

Can drywall harden or become brittle over time? Or, am I dealing with plaster?

If you're hanging curtains I'm going to assume that you are drilling above the window. In that case you've probably hit the lintel. This will be either a piece of concrete or wood (depending on the c …
ChrisF's user avatar
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3 votes

Should I replace or patch a plaster ceiling?

You can just plasterboard (drywall) over the ceiling but there are a number of things you have to be aware of: Make sure that you use longer screws/nails go through the existing ceiling and far enou …
ChrisF's user avatar
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2 votes

Painting over old plaster

You do need to seal the plaster otherwise the new paint won't stick as you point out. My first choice would be to wipe down and then paint with a coat of diluted emulsion as you suggest. … Of course the solution that will give you the best finish is to get another skim coat of plaster applied. …
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3 votes
Accepted

How do I repair cracks in a plaster ceiling?

If the cracks have appeared recently and are still growing (in length and number) then this potentially indicates something serious. Before you attempt any repair - which is perfectly possible using …
ChrisF's user avatar
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5 votes
Accepted

Do I really need to wait a month before applying primer to plaster?

The reason for waiting is to ensure that the plaster dries completely. If you paint over damp plaster the moisture has to still come out - through the paint causing it to bubble and come away. …
ChrisF's user avatar
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1 vote

What should I do to make good on some lightly water damaged plaster?

If the surface is undamaged and it sounds solid just leave it to dry out completely. If it's now dry to the touch then it is drying out. If there was a lot of water coming in it will take a while to d …
ChrisF's user avatar
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