I tried this in desperation and followed the instructions on the spray can to the letter.
Stain covering ceiling paint b q.
Polycell stain stop is a highly pigmented paint which permanently prevents stains reappearing through paint.
Suitable for use on plaster concrete stone masonry plasterboard and wood.
No matter how many times you paint over that stain it will just keep coming back again and again after a few days or weeks.
I painted over it as soon as it was dry and bingo stain gone.
Cover stain has the same properties as bin shellac and if time allows i will also use it to cover stubborn stains or prime bare wood.
Rated 5 out of 5 by vintage kate from very effective stain block after repairing a ceiling leak from the upstairs bathroom the downstairs kitchen had to be replastered and painted.
How to remove ceiling stains remove water ceiling stains.
Most coatings don t do a good job of covering nicotine or other smoke stains on your ceilings.
I tried all of the home remedy s like using gloss undercoat and diluted pva but the stain bled through every time.
If you apply a coat of ordinary white ceiling paint the stain will continue to bleed through and even a second coat may not hide it.
For best results start your painting job like the pros do with a stain killing primer.
Choose a paint that matches the color of your ceiling for a uniform look then apply it over the primed area with a roller choose a inch nap cover for a smooth ceiling or a inch to 1.
Most people tend to assume that water stains will simply disappear just by painting over the stain.
Rated 5 out of 5 by becci89 from does what it says brought this to cover the mould stains in my bathroom which has been a battle for 3 years to keep the mould away and it s amazing the walls were all painted a dark turquoise and it even covers the paint as well.
I have some bad news if you were thinking of doing the same.
I tend use cover stain less than the two products above for one main reason.
The kitchen walls were still showing patches of damp after one coat of paint but after spraying the polycell stain block on the wall the second coat of paint went on like a dream with no bleed through of damp at all.
Don t be shy with the tin it doesn t cover massive areas but it does cover up the dark patches perfectly.
It really is that easy.
Permanently prevents existing stains reappearing through paint.
It provides one coat coverage over water stains grease nicotine crayons rust and soot.
Zinsser b q for all your home and garden supplies and advice on all the latest diy trends.