What's the best thing to use for blocking yellow damp stains on walls and ceilings? I've used a spirit based/egg shell in the past which has seemed to work, but this patch is quite large and deep - it's come back through in patches.
Stain blocker
- Thread starter Deansplit
- Start date
Zinsser Coverstain or BIN, both here: http://zinsseruk.com/shop/ProductList.aspx?cId=130
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