Suitable for use on plaster concrete stone masonry plasterboard and wood.
Stain covering ceiling paint b q.
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 tried this in desperation and followed the instructions on the spray can to the letter.
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.
Polycell stain stop is a highly pigmented paint which permanently prevents stains reappearing through paint.
Spray over the stain wait 15 20 min and paint over it.
How to remove ceiling stains remove water ceiling stains.
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.
It provides one coat coverage over water stains grease nicotine crayons rust and soot.
Don t be shy with the tin it doesn t cover massive areas but it does cover up the dark patches perfectly.
Zinsser cover stain white ceiling wall matt primer 0 4l b q for all your home and garden supplies and advice on all the latest diy trends.
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.
I painted over it as soon as it was dry and bingo stain gone.
It really is that easy.
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.
It takes longer to dry as a painter and decorator time is money i need products that dry fast.
Most people tend to assume that water stains will simply disappear just by painting over the stain.
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.
Permanently prevents existing stains reappearing through paint.
Most coatings don t do a good job of covering nicotine or other smoke stains on your ceilings.
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.