Level floors plumb walls.
Setting large tile on wall.
Traditionally tiles came in a relatively standard size such as 8 x 8 floor tile and 4 x 4 wall tile.
Large format tile must be installed on a level substrate.
Thus they need to be installed in a square space.
Large format tile installation requires particular attention to proper substrate preparation grout joint sizing trowel selection and mortar coverage.
Repair any loose or cracked tiles.
To do so make sure all of the tiles are intact and secure.
If existing tiles are beyond repair remove the tile and install a piece of wallboard in its place.
Remove the tile and prepare the wall according to the corresponding instructions above or tile over the existing tile.
Holding a bubble level to a straight six or eight foot board make sure that both walls and the floor are plumb vertical and level.
Some one step mortars will isolate cracks up to 1 8 inch wide.
When installing large format tile there must be at least 90 mortar contact and a minimum grout joint of 3 16.
Spread no sag mastic.
For proper installation floors and other horizontal surfaces need to be level and vertical.
Today tiles are available from tiny glass mosaics that are 3 8 x 3 8 to large format thin porcelain tile panels that can be as large as 5 x 10.
Installing large format tile large format tiles must be supported properly.
For large tiles exhibiting the maximum allowable warpage 50 offsets are guaranteed to exhibit lippage.
Obviously large format tiles are heavier than smaller tiles.
These products require less labor and materials than crack isolation membranes.
Mark a horizontal line along the bottom of the wall coming up from the floor by the height of your tile plus.
Wash the wall with tsp tri.
Draw a vertical line up the middle of the wall from floor to ceiling intersecting the horizontal line.
This d i y video how to install large format tiles on bath room wall for beginner part 1 explain in details the process of installing large tile on a b.