Seal the walls with a skim coat and let it dry thoroughly.
How to tile a painted plaster wall.
Fresh plaster takes up to 30 days to dry and wooden surfaces can use a layer of polyurethane paint.
How to tile over painted drywall.
Firstly check the condition of the plaster skim it should be fully dried out and a light pink colour.
Holes or cracked plaster requires patching.
Only on the boarder tile mind.
Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling.
Scrape the paint off the concrete wall or use a blaster.
Loose paint must be scraped and sanded off to prevent the tile adhesive from failing to adhere.
I would suggest marking just below where the tiles are to finish.
On a painted plasterboard can you tile directly on this.
Thanks for any suggestions p p paul p.
If i aggressively sand or even strip the paint can i apply the tile over the plaster.
P i plan to put up tile in the bathroom as a tub surround.
Or can i just tile over the paint providing the paint is not flaking off.
Sand with a medium grit sandpaper to create a uniform surface that s not too smooth.
You can leave the paint on drywall provided there are not several coats and the tile epoxy will adhere with no problem.
Measure the width of the wall and divide the number by two to find the center.
Measure across the wall the length of.
Thoroughly vacuum the area and give the wall a once over with a damp sponge or cleaning cloth.
The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall.
Sand the wall with 80 to 120 grit sandpaper on an orbital sander s pad.
You want the tile adhesive to have something to grab onto.
Any tips would be great.
Bear in mind that raw brick blockwork and cement are mostly uneven.
Don t try to use the tile setting adhesive or drywall joint compound to patch plaster walls.
If you have a tiling job to do in your bathroom and the walls have been skimmed with plaster you have to follow a few guidelines when installing tile to make sure you do not have a failure resulting in all the tiles coming off the wall.
Fresh plaster whether applied as a patch or to the entire wall must dry completely before tile is applied.
The wall is plaster lathe and is good condition.
Both painted and bare plaster allows for the installation of tile.
I was thinking of scribingthe wall with a stanleyknife every 2 inches so the adhesive has something to grip on then rough sanding it and then cleaning it and using bal acrylic primer.