Paint over the tile with a bonding primer.
Prime over tile wall.
Wash the wall with tsp tri sodium phosphate or an ammonia based cleaner to remove any grease or oil.
If there are patches of.
By using high quality and high adhesion primer continue to build the base that your paint will be applied over.
Thoroughly sweep up or vacuum the area you ll be priming to ensure that the primer doesn t stick to dust.
Repair any loose or cracked tiles.
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Sand the surface of the tile with 100 grit sandpaper.
Tiling over an uneven surface will give you less than stellar results so level out any globs of dried grout with a sander and secure loose tiles with fresh tile adhesive before beginning the.
Use an oil based product as you will be using oil based paint for the finished coats.
Remove any debris blobs of plaster gypsum or anything that will create raised points in the substrate.
To do so make sure all of the tiles are intact and secure.
Wipe the tile down to clean it and remove any sanding dust.
Paint with epoxy paint.
To paint over ceramic tile walls.
How to prepare a surface for a tile primer 1.
Clean the old tile step 2.
Repair chips and cracks step 3.
And it lasts for 20 years.
Apply primer step 5.
Do not buy cheap primer you need a strong bond in order for this to stick to the tile.
Epoxy tile adhesive bonds with existing tiles making it one of the best options for tiling over an existing tiled wall.
Sand the old tile step 4.
This is not the project where you want to skimp on paint costs.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
While you can paint over ceramic tile walls don t paint a ceramic tile floor as it won t hold up.