Grout Thickness For Floor Tile. Daltile recommends that large tiles have a 18 or 316 minimum grout joint for the most successful installation. The additional structure of sanded grout is needed for wider grout joints from 18 to 58 and some even can go as wide as 1.
Things to Consider for Grout Consistency Step 1. Depending upon the texture and consistency of the tiles I may use 18 spacers on occasion. First the smallest grout lines less than 18 inch are ideal for rectified tiles.
First the smallest grout lines less than 18 inch are ideal for rectified tiles.
For regular-format tiles between 12 by 12 and 16 by 16 inches you can stay with those measurements or go up to 316 depending on the tile and the look you want. And when tiling across a depression the top of the grout joint narrows. Unsanded grout is a cement grout with less than 18 grit. How Thick Should Grout Be.
