How To Tile A Painted Plaster Wall

P i plan to put up tile in the bathroom as a tub surround.

How to tile a painted plaster wall.

Holes or cracked plaster requires patching. 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. When you want to tile any of the above listed you should either render and plaster or use a tile backer board. Scrape the paint off the concrete wall or use a blaster.

Fresh plaster takes up to 30 days to dry and wooden surfaces can use a layer of polyurethane paint. Seal the walls with a skim coat and let it dry thoroughly. Loose paint must be scraped and sanded off to prevent the tile adhesive from failing to adhere. You want the tile adhesive to have something to grab onto.

Any tips would be great. I would suggest marking just below where the tiles are to finish. If i aggressively sand or even strip the paint can i apply the tile over the plaster. Don t try to use the tile setting adhesive or drywall joint compound to patch plaster walls.

Only on the boarder tile mind. Sanding the existing paint helps the tile adhesive stick to the wall. The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall. Bear in mind that raw brick blockwork and cement are mostly uneven.

The wall is plaster lathe and is good condition. Sand with a medium grit sandpaper to create a uniform surface that s not too smooth. Firstly check the condition of the plaster skim it should be fully dried out and a light pink colour. Measure the width of the wall and divide the number by two to find the center.

Thoroughly vacuum the area and give the wall a once over with a damp sponge or cleaning cloth. 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. Or can i just tile over the paint providing the paint is not flaking off. Thanks for any suggestions p p paul p.

Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling. You can leave the paint on drywall provided there are not several coats and the tile epoxy will adhere with no problem. Both painted and bare plaster allows for the installation of tile. How to tile over painted drywall.

Continue sanding the area until the paint is no longer shiny. On a painted plasterboard can you tile directly on this.