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.
All other cuts of tile from tumbled to chiseled to punched contain slight variations in shape and size.
Push the grout into the grout joints with the tip of.
If you want to know why please keep reading.
If smaller spacers like 1 8 are used it will accentuate the size difference of handmade tile.
Tcna recommends a minimum 1 8 grout joint for rectified tile and minimum 3 16 grout joint for calibrated tile.
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 size of grout lines for tile is something that comes up on almost every tile installation.
Grout lines for floor tiles.
When re modeling floors bathroom or a kitchen almost everybody wants to have the minimum grout lines between their tiles.
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.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
Minimum grout lines the quick answer is nothing closer than 1 16.
If you are going for high contrast or retro style wider grout spacing gives you the opportunity to make a statement with your grout.
The wider spacing will help to accommodate placement of tile and maintaining straight lines.
Finished grout lines will vary from 1 16 to 3 16.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.
First the smallest grout lines less than 1 8 inch are ideal for rectified tiles.
They also suggest adding to this width.
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.
Facial dimensions of the tile is 1 8 the actual grout joint will need to be 3 16.
Rectified tiles are perfectly uniform with precisely defined edges requiring the least amount of grout.
Let s talk about grout size options.
Thinner grout spacing for subway tile creates a more subtle effect and wider grout lines a more dramatic one.
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.
Grout must adjust for these differences between tiles so understandably there can be some variation in the width of a grout joint.
Generally it is advisable to use a grout joint at least two times the average difference between the largest tiles and the smallest tiles.
