What Size Trowel for 12x24 Floor Tile What Size Trowel for 12x24 Floor Tile: You want to use this for most tiles that are 16-inches and larger. So, this is a good trowel size for 12×24 tiles, 16×16's, 6×24's, 8×36's, wood-look plank tiles, etc. Additionally, it's a good choice for natural st...
