If you still have any mastic or mortar still on the wall you need to go back and work more on the tile removal process.
How to install ceramic subway tile backsplash.
Next sketch your design on the wall and lay out the the tiles on a large table.
Make sure your notch trowel corresponds with the tile you re installing.
Natural stone tile typically works well with a notch trowel that is 1 4 x1 4 inch in size.
Included in the video are some tips on layout install.
To install subway tile backsplash measure the wall calculate the number of tiles needed to cover it and buy 10 more tile than you need to account for waste.
Hold the float at a 45 degree angle as you work the grout into the seams.
Wipe the wall with a damp rag to remove any dust.
Remove all light switch or outlet covers and sand the wall with 80 grit sandpaper in order to create better adhesion for the tile.
Using the notched edge add a little extra mortar onto the trowel and comb even ridges in one direction.
To apply your tile in a subway pattern just start with a full piece of tile on your first row then cut a piece of tile in half to start your second row.
As you install these final tile pieces it is easiest to butter the backs of the tiles with adhesive.
Apply grout with a rubber float working diagonally across the tile.
Press the trimmed into place using spacers to maintain uniform grout lines.
If you are doing a project with thick ceramic tile over 3 8 inch thick or porcelain tile you will need to use a diamond blade wet saw rather than a snap tile cutter.
Remove the plastic spacers.
Do not grout the bottom seam where the tile meets the countertop you ll want to use caulk in that seam.