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.
Proper trowel for wall tile.
This may also be a good trowel size for thicker 5 16 mosaics.
Here is a list of the most common trowel sizes and what they re used for.
1 4 x 1 4 u notch.
Tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch.
1 4 x 1 4 square notch.
Mosaic tiles and wall tiles up to about 4 by 4 inches call for a v notch trowel with 3 16 by 1 4 inch notches while larger tiles require a trowel with a square or u shaped notch to obtain proper adhesive coverage.
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.
Tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch.
Select a trowel based on tile size mortars.
Twelve inch square tiles for instance are best applied using a trowel with 1 2 inch by 1 2 inch notches.
Use this for 8 8 s and some of the 5 16 thick 12 12 builder grade tile.
This trowel size is used for thinner membrane installation and not typically used for tile.
This trowel size is good for uncoupling membrane.
The other main consideration is where the tiles will be set on the floor or on the walls and ceilings.
A great trowel for installing small ceramic tile such as 4 25 x 4 25 6 6 and 3 6 subway tile is this 1 4 inch square notch trowel.
If you do not have proper coverage you need to back trowel the tile or use a larger trowel.
1 8 x 1 8 notch.
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.
Four inch up to 8 inch tiles need a 1 4 to.
Number of 50 lb 22 7 kg bags needed approximate coverage per 50 lbs 22 7 kg for 50 sq ft 4 65 m2 for 100 sq ft 9 29 m2 for 150 sq ft 13 9 m for 200 sq ft 18 6 m2 for 250 sq ft 23 2 m2 trowel size.
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.
1 4 x 3 8 square notch.
