Select a suitable mortar for the job.
Tile too heavy for wall.
Large tile is heavy therefore an installer should be using a sag resistant mortar such as kiesel servolight s2 supertec when applying large format tile to walls.
Tcna recommends medium bed mortars for large format floor installs.
Use tile spacers on the horizontal grout lines to stop the tile from sliding or droping.
Too many ruined tiles can become expensive and wasteful.
This is equivalent to ceramic tiles with a maximum thickness of 8mm plus tile adhesive or natural stone tiles with a maximum thickness of 7mm plus tile adhesive.
The best tool to use when cutting tile is a diamond wet saw.
Perfect level master is a tile leveling system that speeds up the process of.
The only time you really need thinset on a wall is when you have a large heavy tile.
The maximum weight of tiling which can be supported by a dry well adhered plaster background is 20kg m.
Moisture between the stone tile and the substrate can also be an issue particularly if the installation is in a wet area such as a shower or steam room.
Solutions from mortars and mastics.
You would be just over the limit plaster board not skimmed will take 32kg per m2 so with your tiles and 4kg for adhesive grout making that 33 kg to be honest it not much over so as long as the boards are well fixed i can not see a problem but you could remove the board and replace with tile backer board taking you to 40 kg.
But in reality floors often aren t level which means that approach would make your whole tile grid off level.
There are a few preventative steps to take to reduce the number of cracked tiles.
In theory the easiest solution is to build from the bottom supporting the lowest tile course right on the floor and letting the upper courses rest on those.
Preventing large format tile from sagging or slipping during installation can be accomplished in several ways.
The failure of a heavy tile to adhere to a wall can be a potentially dangerous issue.
Heavy large format tiles used on wall applications are best installed using non sag adhesives.
Don t take any risks and always use the floating and buttering method when installing large format tiles.
How to install large format tiles on bathroom walls using perfect level master.
Observe the tile installation process.
Large heavy wall tiles are a challenge to hang because the weight of tiles makes them prone to slip off the wall.