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do i need to replaster?
diydisaster
Posts: 2 Newbie
We had a bad roof leak that has now been repaired but left a large stain on the wall/ceiling and done slight damage to the plaster.
I have sanded down the plaster to remove all of the crumbly bits and painted a solution on it that was supposed to prime chalky surfaces before painting. I've also applied a stain blocker and then finished with emulsion paint.
The wall has all gone crumbly again as though salt crystals are coming out of the plaster, despite me leaving it a couple of months to dry out before redecorating.
Is there a special solution I can apply to stop this or could they plaster have been so badly damaged by the leak that it needs knocking off and starting again?
Thanks in advance for any advice
I have sanded down the plaster to remove all of the crumbly bits and painted a solution on it that was supposed to prime chalky surfaces before painting. I've also applied a stain blocker and then finished with emulsion paint.
The wall has all gone crumbly again as though salt crystals are coming out of the plaster, despite me leaving it a couple of months to dry out before redecorating.
Is there a special solution I can apply to stop this or could they plaster have been so badly damaged by the leak that it needs knocking off and starting again?
Thanks in advance for any advice
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