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.
Best trowel for large floor tiles.
So a 10mm u notched trowel leaves a 3mm bed of adhesive beneath the installed tile.
Quarter rounds beaks coves.
1 2 x 1 2 square notch.
The larger the tile the larger the trowel.
Including 12 24 s 16 16 s 18 18 s 12 12 marble and granite and the popular 6 24 porcelain plank tiles.
Comparing one notch trowel size to another.
Using a u notched trowel and embedding the tile into the adhesive leaves you with a bed of adhesive beneath the tile a little over 1 3 the size of the trowel teeth.
To turn a boring tile installation into something spectacular she also discourages scrimping on trim pieces for ceramic and stone tiles.
It just creates a better bond to the tile.
A 6mm x 6mm trowel will leave a 3mm bed of adhesive beneath the tile.
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.
I use this trowel size for any large format tiles.
Back buttering any size tile is a good idea especially large format tiles like yours.
I use this trowel size for any large format tiles.
1 2 x 1 2 square notch.
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.
15 inches and larger.
For example mosaic tiles would require a 3mm square notch trowel while larger tiles would require subsequent larger sizes.
A euro notch trowel from rubi tools.
Including 12 24 s 16 16 s 18 18 s 12 12 marble and granite and the popular 6 24 porcelain plank tiles.
Smaller trowels produce thinner beds of adhesive which ultimately means that there is less chance of the adhesive getting onto the tiles when fixing them in place.
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.
Trowels should be used alongside an appropriate size tile.
As i mentioned before mix your mortar to be a little bit on the thick side and use a 1 2 inch notched trowel to apply it to the subfloor where you want your tile.
15 inches and larger.
Better large format floor wall tile mortar 12940 white good large format floor tile mortar 1103731 gray polymer modified mortars for tile with all sides 15 or less best mosaic glass tile mortar 13718 white with polymer additive 13956 porcelain tile mortar 13428 gray 13485 white.
You ll also want to have another smaller un notched trowel called a flat margin trowel on hand for a few other purposes.