With your 12 24 tiles you should use a 1 2 notched trowel on the wall and back butter each tile but just with a skim coat.
What size trowel for 12x24 wall tile.
Tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch finding the right trowel for the job is quite simple when you know that generally speaking the trowel size should match up to the tile size the smaller the tile the smaller the trowel.
What size trowel for 12 24 wall tile nov 07 2009 12 24 porcelain tile tile forum advice board.
Twelve inch square tiles for instance are best applied using a trowel with 1 2 inch by 1 2 inch notches.
If one of the tiles is fairly flat with minimum warping cupping you may meet the proper coverage requirement using a 3 8 square notched trowel.
If however the other tile has quite a bit of cupping you may need to use a larger 1 2 square notched tile trowel to get proper coverage.
Gal 309062 3 5 u s.
Select a trowel based on tile size to properly bond various types or sizes of tile or stone select a trowel according to the size of tile you want to install.
I am setting 12 24 porcelain tile on a shower s walls and ceiling.
Mortar selection chart.
The most common recommended trowel for this seems to be 1 2 x 1 2 square notch trowel but my test pieces show i am easily getting 100 coverage with a 1 4 x 3 8.
Wall tile setting materials better premium mortar 309061 1 u s.
Tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch.