Allow the thinset to cure for 24 hours before tiling.
How to tile over brick wall.
Using a trowel spread an even layer of thinset over the bricks.
Adhesives and primers may fail as a result of bonding to an unstable material.
Allow the thinset to cure.
If the grout lines are still visible after the first coat has dried apply a second coat of thinset to smooth out any dips or grooves.
Ensure that all loose debris is removed as well.
Go over the entire area with a wire brush to dislodge any loose mortar then scrub off the soot with a rag soaked in white vinegar.
How to tile over a brick wall option 1 dry lining.
Use a flat trowel to spread thinset over the brick filling in the grout lines.
Next cover the entire tile with mortar and use the notched trowel to make ridges in the mortar before applying the tile to the wall.
Cover both the brick and the tile with mortar before applying the tile to the wall.
The first step is to remove any existing trim or moulding from the wall as you won t want to tile over them.
Apply a suitable 12mm plasterboard using a dry lining method using a dry wall adhesive.
Cover the hearth with a drop cloth and remove the mantel and anything else that s attached to the brick.
Allow the second coat to cure completely.
Steps for tiling over a brick fireplace.
Next remove any loose mortar and paint that may be on the wall and then rough up the bricks so that the tiles will stick better.
Use the flat side and edge of the trowel to smooth the thinset eliminating any ridges or bumps.
Cover the first area with tiles by covering the brick with mortar using the shelf you constructed for dry fitting the tiles.