First a surface more textured and solid must be applied over the painted concrete.
Tile over painted brick wall.
Clean and prepare existing brick.
If your paint tests positive call a professional.
Most likely you will have to wire brush the painted block keeping in mind rrp work of course and then use a thinset with a special additive made for that type of situation.
Tile over painted brick squaring the framing will be time consuming but would make the cleanest install.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
However sometimes is it much easier to tile over tile the existing layer.
Mortar cannot be installed directly over painted concrete itself.
However this requires careful consideration and extra properties from the adhesive.
How to tile over a brick fireplace step 1.
Place strips of blue painter s tape over the tile face sticking each end to the wall to prevent the tiles from sliding.
Place drop cloths over the hearth and the floor.
If you re not sure if you have lead paint test kits are available.
If possible you should remove the existing mantel for easier tile.
I have a gloss painted brick wall surrounding a fireplace which i would like to tile over maybe with slate or ceramic tiles.
When tiling an area that is already tiled or painted it is often necessary to invest considerable time in stripping and then repairing the substrate.
The first step is to remove any existing trim or moulding from the wall as you won t want to tile over them.
This surface is called a scratch coat.
Call a good tile supplier not hd or lowes and ask what adhesives are available for that situation.
Next remove any loose mortar and paint that may be.
You can put ceramic or stone tiles directly over your painted brick provided that you rough up the gloss paint finish a bit with some sandpaper and you use a fortified thinset mortar don t buy the pre.
Work up from the board first then when the thinset hardens take it off and work down the sides of the fireplace.
A scratch coat will give the mortar something to hold on to instead of the layer of paint over concrete.
Find your high spots and shim out the rest as needed.
Create a smooth work.
Continue placing the first course of tiles in the same manner using spacers.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Nail a straight 1x board horizontally across the fireplace in line with the top of the firebox and use its top edge as.