Clean and prepare existing brick.
Tiling over brick pavers.
Cover the hearth with a drop cloth and remove the mantel and anything else that s attached to the brick.
Put on safety goggles gloves knee pads and a dust mask.
If possible you should remove the existing mantel for easier tile.
How to lay brick over existing tile step 1.
Before mixing mortar keep in mind that different mortars or tiling cement work best with.
While this is fine for pavers it does not provide a stable surface for a tile application.
Wash the tile floor with a strong de greasing detergent and rinse well with water.
How to tile over a brick fireplace step 1.
Rough the tile finish with a belt sander that uses a medium grit sandpaper.
When tiling a floor the surface needs to be secure and firm.
Use the flat side and edge of the trowel to smooth the thinset eliminating any ridges or bumps.
Create a smooth work.
Steps for tiling over a brick fireplace.
Knowing your start and finish points is important so that your tiles.
Using a trowel spread an even layer of thinset over the bricks.
The thinset will cover the bricks and mortar and provide a flat smooth surface for tile installation.
Place drop cloths over the hearth and the floor.
Brick pavers are typically just laid in place with sand dry morter to keep them from moving.
Only way to do it right would be to pull up the pavers and lay a slab then tile.
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.
Plan out your pattern layout in advance.
Steps in using this method step 1.
The main thing when tiling outside is to use a solid bed method of fixing this stops pools of water forming under the tiles which then freezes and pops the tile up.
Block paving would tend to be a bad surface for tiling over because its designed to allow the drainage passage of water through it.
Allow the thinset to cure for 24 hours before tiling.
Pull up a few bricks and see if you have any sort of substrate ie concrete walkway patio underneath that would provide a proper base for your proposed project.