The medium bed holds its consistency better than the thin set which will sag a bit in the middle of the tile.
Thinset for 12x24 tile wall of shower.
When used to tile walls it s strength allows you to set tile and if you re good with eyeballing you can set tile without the use of spacers.
If you attempt to set wall tiles using thinset without spacers you ll end up with a bunch of tiles that have slid into each other before the thinset has had time to set resulting in a giant mess.
Traditionally mastic was an organic plant based resin from the pistacia lentiscus shrub and its term is related to the word masticate due to its sticky gummy consistency.
Mastic is a vague term that generally refers to fast grab glues for tile.
Therefore i almost always recommend a pre mixed mastic when installing light subway tiles over a shower wall.
Apply the thinset with a 3 8 inch square notched trowel and press the tiles into this mix.
The thin set in a bag would be as much weight once installed as the tile it is adhering even if it was rated to hold.
Insert tile spacers between the tiles.
Using a u notched trowel and embedding the tile into the thinset leaves you with a bed of thinset beneath the tile a little over 1 3 the size of the trowel teeth.
Use the right mortar for 12 24 tile you often hear about using thin set to install tile but in the case of installing 12 24 tile as flooring you ll want to use something called medium bed mortar.
Installing ceramic tile for shower walls.
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What s best to use even if it says it s a pre mixed thin set mortar.
Since thinset tile mortar may crack you may wish to mix it with a special latex additive to increase its strength.
Add up the wall areas and add 10 so you have extra tile for mistakes or future repairs.
Today the term mastic is infrequently used and it is difficult to find tile adhesives that go under the mastic banner at your local.
Determine how much tile you ll need.
Measure each wall area calculating the width times height.
A 3 8 x 3 8 trowel will leave a 3 16 bed of thinset beneath the tile.
For our shower we chose a running bond pattern.
This type of mortar will work for clay and porcelain applications.
Because thinset is not affected by moisture it is best for floor tile and any tile in wet areas including shower floors walls and ceilings and tub surrounds.