Spread the mortar onto the wall with the flat edge of a trowel.
How to stick tiles to brick wall.
Create a smooth surface for the slate tiles to be set on by covering the brick wall with a layer of thinset mortar.
Adhere the membrane to the wall then the tile to the membrane.
The most common method for attaching something to a brick wall is to drill into the brick itself and insert a hanger.
If you are less confident in the wall s stability then i would suggest a tile membrane and use an exterior rated thin set for both sides of the membrane.
Compared to wood or tile though they can be pretty difficult to stick things to.
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.
If it moves push on it a little harder.
Press the tile in place and make sure that the joints are kept even.
When you release pressure it should stay where it is.
The membrane will allow for 1 8 inch movement parallel to the membrane without cracking the tile.
Press the tile in place firmly and use tile spacers to keep the joints even.
Place a tile in position on the wall and press it into the mastic.
Cover the first area with tiles by covering the brick with mortar using the shelf you constructed for dry fitting the tiles.
Ensure that all loose debris is removed as well.
If you don t want to go to all that work and merely want to stick something to a brick or to a brick wall you will need a strong adhesive.