With very irregular tiles back buttering may be advisable.
Trowel size for marble backsplash.
Anything from 8 to 12 inches in size works well with a 3 8 inch notch trowel while anything larger than 12 inches to around 16.
6 x 6 x 6 mm for thin set application of tiles with all sides smaller than 15 38 cm 75 to 90 sq ft 6 97 to 8 36 m 1 2 2 3 4 1 4 x 3 8 x 1 4 in.
This trowel size is good for installing 12 x 12 and 13 x 13 tile.
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All tile manufacturers offer a recommended trowel size.
Mosaic installations up to 2 inches can use a 1 8 inch notch as can wall tiles of up to 4.
6 x 10 x 6 mm 55 to 65 sq ft 5 11 to 6 04 m 1 2 3 4 5 1 2 x 1 2 x 1 2 in.
Four inch up to 8 inch tiles need a 1 4 to 3 16 inch notch trowel.
Trowel notch recommendations are as follows.
1 4 x 1 2 square notch.
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.
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You could work up to 16 x 16 as long as it isn t more than 3 8 thick.
For versabond thinset the recommended trowel size for a tile where the longest side of tile is less than 8 use 1 4 x 1 4 x 1 4 6 x 6 x 6 mm square notch.
12 x 12 x 12 mm for applying large and heavy tiles larger than 15 38 cm on any side.
Use proper sized notch trowel to ensure 100 coverage of solid mortar under tiles.
1 2 x 1 2 square notch.
Use this for 8 8 s and some of the 5 16 thick 12 12 builder grade tile.
1 4 x 3 8 square notch.
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.
3 16 x 1 4 in.
A 3 8 x 3 8 trowel will leave a 3 16 bed of thinset beneath the tile.
This may also be a good trowel size for thicker 5 16 mosaics.
Mosaic installations up to 2 inches can use a 1 8 inch notch as can wall tiles of up to 4 inches as a general rule.
What size trowel to use for tile tile trowels come in many shapes and sizes generally starting out from a 3 16 v notch up to the 1 2 square notch.
Finding the right trowel for the job is quite simple when you know that generally speaking the trowel size should match up to the tile size the smaller the tile the smaller the trowel.
So a 3 8 u notched trowel leaves a 1 8 bed of thinset beneath the installed tile.
This trowel size is great for larger tiles like 24 x 24.
The larger the tile the larger the trowel.
Smaller tiles are smaller notches and vice versa.
4 5 x 6 mm for applying mosaics or small tiles up to 4 10 cm 150 o t 175 sq t f 13 9 to 16 3 m 1 1 1 2 2 1 4 x 1 4 x 1 4 in.
3 4 x 5 8 19 x 16 mm u notch 3 16 x 5 32 5 x 5 mm v notch 1 4 x 3 16 6 x 5 mm v notch 1 4 x 1 4 6 x 6 mm square notch.