As a general rule floor tiles should have grout lines of 1 8 inch or larger depending on the type and size of tile.
Marble tile grout line width.
Generally it is advisable to use a grout joint at least two times the average difference between the largest tiles and the smallest tiles.
Actual finished grout spaces will vary from 1 8 to 1 4 if 3 16 spacers are used.
Tcna recommends a minimum 1 8 grout joint for rectified tile and minimum 3 16 grout joint for calibrated tile.
Note that using the smallest grout possible will increase installation time.
Grout must adjust for these differences between tiles so understandably there can be some variation in the width of a grout joint.
The size of grout lines for tile is something that comes up on almost every tile installation.
First the smallest grout lines less than 1 8 inch are ideal for rectified tiles.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.
Push the grout into the grout joints with the tip of.
The tile council of north america and accompanying tile organizations recommend an average grout joint width of 3 16 inch for every 1 16 inch variation in the size of the tiles.
Grout polished marble with tight joints up to 1 8 inch with nonsanded grout since sanded grout will scratch the surface of the marble.
The secret no professional will tell you is there is really no set or absolute proper size for your grout lines.
If you want to know why please keep reading.
For example if you take two 12 inch tiles and compare them side to side and there is a variation of 1 16 inch in the two tiles you are recommended to use at least a 3.
If smaller spacers like 1 8 are used it will accentuate the size difference of handmade tile.
Facial dimensions of the tile is 1 8 the actual grout joint will need to be 3 16.
Thinner grout spacing for subway tile creates a more subtle effect and wider grout lines a more dramatic one.
Grout lines for floor tiles.
Finished grout lines will vary from 1 16 to 3 16.
Let s talk about grout size options.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
The wider spacing will help to accommodate placement of tile and maintaining straight lines.
If you are going for high contrast or retro style wider grout spacing gives you the opportunity to make a statement with your grout.
There are some guidelines that need to be followed but the actual size is more of a personal choice than it is a set width.
They also suggest adding to this width.
All other cuts of tile from tumbled to chiseled to punched contain slight variations in shape and size.