For large tiles you are going to want to use an unmodified thinset that specifically says it s ok for large tiles.
Thinset for large wall tiles.
Walls wainscots dry backsplashes are key areas where tile mastic tends to be used.
Large tile stone mortaris a premium regular setting polymer enriched modified large and heavy tile mortar that is ideal for installing large format tile and stone on floors walls and countertops.
Thinset is inexpensive and it fills in gaps and depressions.
I ve never found it at a box store though.
Thinset tile mortar has a smooth slippery consistency similar to mud.
Thinset is slow to set which leads to tile sag on vertical applications.
Thinset with large amounts of latex added are used with glass tiles which are unable to flex on their own.
But large format natural stone tile sizes can vary depending on the application and type of stone.
This mortar can also be used in thin set applications to install smaller format tile over a diverse range of substrates.
Thinset mortar is your default tile mortar for most indoor and outdoor applications.
A little extra thinset beneath a tile is completely acceptable not enough thinset beneath the tile is not acceptable.
Then there s yet another variation of thin set for thick bed installations.
When bidding a job the installer should consider the.
For example large wall tile ranges from 12 x 12 to 24 x 24 inches and stone panels used in commercial and exterior applications can be up to 7 feet long and 4 feet wide.
It is applied to the substrate with a notched trowel.
As a rule the larger the tile the larger the trowel.
Thinset with small amounts of latex added are primarily used for large format tiles and stone tiles to help absorb flex from floors and walls.
The one i prefer is bostik ditraset.
It is always better to use a larger trowel than you might need for the installation.
It can be used for any size tile and works great with schluter products.
Thinset also provides structural support so that very minor adjustments in height can be made.
Square notched is a personal preference.
There s also a medium bed thin set mortar which is a variation that s used for slightly larger applications.
Mastic is very sticky grabs fast and is quick setting.
Thinset is a mortar that is made of portland cement silica sand and moisture retaining agents.
This is used with large heavy or thick tiles.
This helps to prevent tiles from cracking.