Actual finished grout spaces will vary from 1 8 to 1 4 if 3 16 spacers are used.
Slate wall tile grout size.
Grade 1 first quality natural stone slate tile for floor wall and countertop use 12 in.
Joints larger that 3 8 usually need a more heavily sanded grout to accommodate the large joint.
In addition your layout could use a variety of different sizes.
Thick natural finish with a low sheen and random variation in tone p e i.
On a vertical surface you generally won t want to go larger than 12 x 12 inch tiles.
For cementitious grout joints smaller than 1 8 generally should only be grouted with unsanded grout and joints of 1 8 and larger should only be grouted with sanded grout.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
Length x 3 8 in.
Grout lines for floor tiles as a general rule floor tiles should have grout lines of 1 8 inch or larger depending on the type and size of tile.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.
Slate tiles are available in a variety of different sizes including 2 inch 4 inch 6 inch 12 inch 16 inch and 24 inch squares.
Sanded and unsanded grouts are usually sufficient for residential uses but many homeowners and builders are moving completely away from it.
If smaller spacers like 1 8 are used it will accentuate the size difference of handmade tile.
A higher quality tile could allow for a 1 16 or 1 8 grout line and maybe even a brick layout as lippage may not be an issue in a perfect tile world where as a lower quality tile might have major lippage risk so laying the tile in 1 3 s and having a 1 4 grout line is recommended.
The additional structure of sanded grout is needed for wider grout joints from 1 8 to 5 8 and some even can go as wide as 1.
Rating is not applicable for natural stone.
Because of this minimizing the width of grout lines is advisable keeping it down.
Width x 24 in.
Finished grout lines will vary from 1 16 to 3 16.
Tile can be laid out straight or set on a diagonal.