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