1 4 x 3 8 square notch.
Notch trowel for wall tiles.
1 4 x 1 4 square notch.
Use this for 8 8 s and some of the 5 16 thick 12 12 builder grade tile.
A great trowel for installing small ceramic tile such as 4 25 x 4 25 6 6 and 3 6 subway tile is this 1 4 inch square notch trowel.
Also use this trowel for installing ditra heat and prodeso heat membranes.
Use this trowel to install cement board on floors.
U notched trowels normally only have one number.
Even some of the 4 12 bigger subway type tiles.
When you use a 1 4 x 3 8 square notched trowel you will leave 1 4 wide by 3 8 high ridges of thinset on the substrate with spaces between each ridge.
As 1 2 trowel means that both measurements are the same.
A tile trowel with only one measurement i e.
With your 12 24 tiles you should use a 1 2 notched trowel on the wall and back butter each tile but just with a skim coat.
Tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch.
Yes you need thinset under your cement board and no construction adhesive isn t the same thing.
Because v notch trowels dispense less mortar than square notch they are also preferred for many wall or ceiling applications.
They are typically used for small tiles such as mosaics or any tiles under 2 inches square.
V notch trowels have a continuous zig zag or sawtooth pattern with points.
The most common trowel size in the tile industry.