The first step is to remove any existing trim or moulding from the wall as you won t want to tile over them.
Tile over painted brick wall.
I have a gloss painted brick wall surrounding a fireplace which i would like to tile over maybe with slate or ceramic tiles.
If your paint tests positive call a professional.
Next remove any loose mortar and paint that may be.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
Because your tiles need to be laid out properly on top of your existing brick wall check out our tips on how you can achieve this goal.
Nail a straight 1x board horizontally across the fireplace in line with the top of the firebox and use its top edge as.
Find your high spots and shim out the rest as needed.
If possible you should remove the existing mantel for easier tile.
How to tile over a brick fireplace step 1.
This surface is called a scratch coat.
A scratch coat will give the mortar something to hold on to instead of the layer of paint over concrete.
However this requires careful consideration and extra properties from the adhesive.
Work up from the board first then when the thinset hardens take it off and work down the sides of the fireplace.
Use painter s tape to mask off.
If you re not sure if you have lead paint test kits are available.
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.
However sometimes is it much easier to tile over tile the existing layer.
Place drop cloths over the hearth and the floor.
Clean and prepare existing brick.
First a surface more textured and solid must be applied over the painted concrete.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
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.
Call a good tile supplier not hd or lowes and ask what adhesives are available for that situation.
Continue placing the first course of tiles in the same manner using spacers.
Create a smooth work.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Tile over painted brick squaring the framing will be time consuming but would make the cleanest install.