One is that there are tolerances for size variation as each tile is not always exactly the same size.
Grout size for 18x18 travertine tile.
With tile that size you need a larger grout line due to inconsistencies in the cooling process of the tile.
Whether it is a natural stone tile like travertine or a ceramic tile like a porcelain tile all have to have a grout joint for two reasons.
Daltile recommends that large tiles have a 1 8 or 3 16 minimum grout joint for the most successful installation.
Generally unsanded grout is used for tile applications with narrower grout joints from 1 16 to 1 8.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
Let s talk about grout size options.
Mix up the sanded grout until it is the consistency of peanut butter.
If smaller spacers like 1 8 are used it will accentuate the size difference of handmade tile.
The difference is not really noticeable visually but can make a big difference to the quality of the installation.
If one of the tiles is fairly flat with minimum warping cupping you may meet the proper coverage requirement using a 3 8 square notched trowel.
Mapei does not have a grout called colorfast not sure what particular grout you re referring to but they do have a few different color consistent grouts that work very well.
Actual finished grout spaces will vary from 1 8 to 1 4 if 3 16 spacers are used.
Scoop up an orange sized ball of grout and apply it to the surface of the travertine with the grout float.
Tumbled travertine tile has many dips curves holes and natural surfaces which give it its character but also makes it more difficult to grout.
Note that using the smallest grout possible will increase installation time.
Unsanded grout is a cement grout with less than 1 8 grit.
Larger grout lines will compensate for that.
Large format 18 inch tiles are often used by designers to visually expand a small space.
Finished grout lines will vary from 1 16 to 3 16.
How to install 18 x 18 tile.
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.
Because they have fewer grout lines than smaller tiles they make for a more.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.
Although they are the same dimension each tile may require a different trowel size.
Grout joint for staggered brick joint patterns.