Fixing a crack in a plastered wall?

Dec 17, 2007 2 Replies

Hi



I have several walls that are just platser and then painted. One of them has got a irregualar hairline crack about half the drop of the wall. As it does not seem to be getting bigger, I thought about nows a good time ot try and repair it as I am off this week. So, I thought, make the crack a bit bigger say with a chisel indent. Fill with plaster, sand and replace.



Any issues?



Also - is there a better filler solution to use that maybe harder?



Scott


Scrape it out with a flat or triangular scraper. No more than 2 or 3 mm. Fill with polyfilla or similar, slightly proud of surface. Sand using a block. Done! This assumes no further movement.

Peter Scott

If the wall is moving, it doesn't matter how hard it is, it will crack again. You *could* try using acrylic filler from a cage, but you need to smooth it off carefully with a wet filling knife before it goes off. You can't sand it.

I have been using Red Devil OneTime filler - very lightweight, but doesn't sink, so if you're skilled you can just paint over it when dry without rubbing down or refilling.

Edward

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required