Stained Walls

22 Oct 2007
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United Kingdom
All my interior walls are painted with emulsion. The problem i have some of the walls are coated with bitcumen to prevent damp. I am getting patches of bitumen bleaching through the plaster onto my interior walls. I want to use a stain blocker to prevent bleaching. Can any one suggest a good quality stain blocker or any other alternative?.
I am thinking of using Bullseye 1 2 3 stain blocker, as i have heard it gives good results?.
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you may have to used a aluminium primer to stop the bitumen bleeding thats what we use ;) bullyeye is good but dont know if it will cope with the bitumen with can burn through most primers ;) one coat of ali one coat of 123 should do the trick ;)
B_I_N is shellac based version of 321 :idea: and styptic is shellac too ;)
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What is styptic or shellac? Please advize on which product to buy or what to ask for form a decorators center? Thanks.

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