What’s the forum recommended stain blocker/sealer? I’ve got some yellowing coming through on a ceiling and coving.
Zinsser Cover Stain is the usual recommendation. Worked well for me.
I've found that Rustin's does a better job than the Zinsser version. Covers better and requires fewer coats.
@aggi started
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What’s the forum recommended stain blocker/sealer?
I’ve got some yellowing coming through on a ceiling and coving.