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.
Large tile thinset.
Thinset tile mortar.
Thinset mortar is your default tile mortar for most indoor and outdoor applications.
Mix with water no additive required.
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.
Large tile stone mortar is 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.
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.
Square notched is a personal preference.
This mortar can also be used in thin set applications to install smaller format tile over a diverse range of substrates.
Natural stone tile requires 95 coverage in all areas.
It is applied to the substrate with a notched trowel.
Thinset tile mortar has a smooth slippery consistency similar to mud.
Non sag formula is the ideal solution for installation of large tiles on walls.
The one i prefer is bostik ditraset.
Non slump formula of this medium bed mortar is designed to bond and support large tile over a wide range of floor substrates.
Thinset is a mortar that is made of portland cement silica sand and moisture retaining agents.
It can be used for any size tile and works great with schluter products.
Proper mortgage coverage is critical to preventing failures.
Additionally thinset comes in either unmodified or modified versions.
Non slump formula allows for easier medium bed installation up to 3 4 in thick of large floor tiles.
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.
Good adhesion for ceramic porcelain and natural stone tiles with one or more sides greater than 15 in.
19 mm thick on horizontal applications.
A little extra thinset beneath a tile is completely acceptable not enough thinset beneath the tile is not acceptable.
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.
Thinset dries very quickly once it s troweled out.
For use on floors only.
Unmodified thinset is composed of portland cement sand and water retention agents.
For large tiles you are going to want to use an unmodified thinset that specifically says it s ok for large tiles.