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There's quite a bit of chat about this very task in the thread. The method a few people have had success with is Bonding plaster to a very shallow depth and then a choice of Multi-finish plaster or TX110 or Easifill. I find TX110 the easiest in terms of drying times and blending into the existing walls. You can use Gardz from Zinsser on top of the filler to stop it 'grinning' when it's painted.
Main problem with this approach is if you only need small quantities of the materials as Bonding plaster comes in big bags although it's not expensive.
Prepping the chase for the plaster usually involves a bit of PVA mixed with water splashed about. Just helps the plaster to set without the dry walls sucking the moisture out and making it crack. Some people don't use PVA to prime for plaster but in this case I've never known it to cause a problem, normally more of an issue if you're skimming walls.
Airhead-
Thanks!
I did try various searches in the thread, and I thought I remembered @stevo_com in particular doing this very task, but I couldn't find anything specific.
I've just watched a Charlie DIYte video about the same job and he also recommends the PVA priming.
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Prepping the chase for the plaster usually involves a bit of PVA mixed with water splashed about. Just helps the plaster to set without the dry walls sucking the moisture out and making it crack
I usually just spray water at the wall until it stops disappearing into the substrate, then slap on the bonding. House hasn't rotted away yet.
tbc
rhowe
We've had some light switches moved and we used an electrician who was cheap partly because we agreed to do all the making good.
Is Toupret TX110 the filler of choice for a job like this with a depth of c25mm?
Is there anything I should be aware of with regards to prep or technique?