Use a ramset to shoot furring strips on the block with construction adhesive for added strength then install a vapor barrier and cement board in the usual manner.
How to tile block wall.
Tile on tile or as i say it.
This provides an optimal amount of strength.
Spray the cinder block wall with a hose to rinse off most of the debris.
Spend time lifting stains with soap trisodium phosphate and other cleaners.
Cover the lath completely with the mortar creating a new surface for the tile to adhere to.
Spread the mortar over the walls using the flat of a notched trowel pushing the mortar through the lath and onto the painted blocks.
On the floor in the dry off area we could also rough cut tile that would run partially under the glass block wall.
Spread a smooth layer of thinset on the back of the first tile and press it firmly into the notched layer on the wall.
What i ve done in the past is 1.
Wash the wall and remove debris to make it as flat as possible.
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Strive for 3 8 inch wide joints between blocks both horizontally and vertically.
Check the tile for plumb and level then proceed to the next tile.
With a notched trowel apply the adhesive at the bottom of the cinder block wall.
The block butts into the tile and eventually the seam will be sealed with a bead of clear silicone caulk.
Apply just enough of the adhesive to attach a few tiles at a time so that the adhesive stays moist and ready to receive the tiles.
Add water to the mortar while mixing until it s the consistency of peanut butter.
Use spacers between each tile for the grout.
Slowly make your way up the wall using cinder block spacers between each tile to ensure an even application.
And it lasts for 20 years.
Start by putting tiles on the bottom of the wall and work your way up.
Begin the wall with a corner unit then butter the flanges at the end of each subsequent block with mortar before joining it to the previous block.
When the entire wall is finished tap tiles that are slightly raised with a rubber mallet.
Allow the mortar to dry overnight.
Also clear debris out of damaged spots and repair them.
It s best to use a v notch trowel to layer and evenly spread the mastic or adhesive for wall tile installations.
The advantage of this method is that tiling goes quicker and easier if there aren t any walls to walk around.