According to the ansi and the tcna handbook tile requires a minimum of 80 mortar coverage in interior applications and 95 for exteriors and wet environments.
Large tile thinset.
Proper mortgage coverage is critical to preventing failures.
Large format tile mortars select one of custom s dry set modified mortars for large and heavy tile also called medium bed mortar to support large format tile installations.
It can be used for any size tile and works great with schluter products.
Inorganic and composed of materials mined from the earth thinset is inexpensive and can be purchased either in wet pre mixed or dry powdery form.
Thinset is a mortar that is made of portland cement silica sand and moisture retaining agents.
Natural stone tile requires 95 coverage in all areas.
Versabond lft fortified medium bed mortar is a general versabond lft fortified medium bed mortar is a general purpose economical polymer modified medium bed mortar for use with large format porcelain ceramic and natural stone tile.
Large format tile lft is 15 38 cm or greater on any side as well as heavier natural stone such as marble granite travertine slate and limestone.
This mortar can also be used in thin set applications to install smaller format tile over a diverse range of substrates.
Non slump formula of this medium bed mortar is designed to bond and support large tile over a wide range of floor substrates.
The one i prefer is bostik ditraset.
Thinset dries very quickly once it s troweled out.
Thinset mortar is your default tile mortar for most indoor and outdoor applications.
It is applied to the substrate with a notched trowel.
A little extra thinset beneath a tile is completely acceptable not enough thinset beneath the tile is not acceptable.
Unmodified thinset is composed of portland cement sand and water retention agents.
Good adhesion for ceramic porcelain and natural stone tiles with one or more sides greater than 15 in.
Thinset tile mortar.
Non sag formula is the ideal solution for installation of large tiles on walls.
With a non slumping formula to eliminate lippage versabond lft can be applied to 3 4 in.
Additionally thinset comes in either unmodified or modified versions.
19 mm thick on horizontal applications.
Square notched is a personal preference.
For large tiles you are going to want to use an unmodified thinset that specifically says it s ok for large tiles.
While it is easier to obtain complete coverage with a u notched you must also use a larger u notched trowel to achieve the same bed thickness beneath the installed tile.
Thinset tile mortar has a smooth slippery consistency similar to mud.
For use on floors only.
Non slump formula allows for easier medium bed installation up to 3 4 in thick of large floor tiles.