salt

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lazer

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got a job to do on a house the guy had a leak from his shower for a while its all fixed now and walls are drying out but they leaving a lot of salt im hacking plaster off should i paint the wall with something or just replaster it.the wall is internal
 
you could coat the wall with anti-sulphate solution before re plastering
 
get some anti sulphate to paint on first to help stabilise the salt then use a good anti salt additive in your mortar (peter cox or sovereign) then skim as normal.
 
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