What Size Trowel For 12x12 Granite Tile. If however the other tile has quite a bit of cupping you may need to use a larger 12 square-notched tile trowel to get proper coverage. What size notched trowel for 12x12 mosaic tile.
14 x 12 square notch. Ideal for 4x4 up to 8x8 tiles and bigger subway tiles eg 4x12 Carrara Dots Etched Subway Marble Tile - 3 Call us. 14 x 38 square notch.
The size of notch trowel used for 12- by 12-inch floor tiles is crucial as is the style of the notch itself.
So a 10mm U-notched trowel for example will leave a 3mm bed of adhesive beneath the tile. See the table below for a breakdown of tile sizes and the coverage they offer. Those are general guidelines and will work with most installations. 14 x 38 square notch.