Although 1 16 of an inch may seem unimportant for example on a 12 tile it represents a 50 variation in a grout joint 1 8 inch wide.
Medium size tile bond pattern shower wall tile grout sizing.
They also suggest adding to this width the amount of edge warping on the longest edge.
Tcna recommends a minimum 1 8 grout joint for rectified tile and minimum 3 16 grout joint for calibrated tile.
This will help to visually stretch every inch of the room.
Especially in a small shower a larger white tile can make it feel less cramped.
For tile having a total variation of 1 6 inch in facial dimensions a minimum of 3 16 inch grout joint shall be used.
If smaller spacers like 1 8 are used it will accentuate the size difference of handmade tile.
For example if the edge warping of a rectified tile is 1 32 the minimum grout joint is 1 8 1 32 5 32.
Actual finished grout spaces will vary from 1 8 to 1 4 if 3 16 spacers are used.
Tile size percent a 6 x24 100 running bond brick.
This thickness leaves room for the natural variation in size and the perfectly imperfect edges of handmade tile.
Though if you re tiling a closet sized shower a medium size tile such as 4 x 8 and 6 x 8 could work better for the floor larger tiles square hexagon or rectangular with tighter and fewer grout lines can similarly make a room seem more open.
Note that using the smallest grout possible will increase installation time.
We recommend a 3 16 grout size for our ceramic tile line.
Medium sized grout line widths 1 8 to 1 4 inch require the use of sanded grout and are typically featured when moderate size variation occurs among the tiles or when tiles with lugs are used.
Even small variations can throw off the pattern of the tile if adjustments are not made in the grout joint.
If midsize tile fits better with your design consider plank size or a 4 x 4 or smaller wet application tile as the bathroom and shower floor.
Finished grout lines will vary from 1 16 to 3 16.
From a visual standpoint tile smaller than 4 inches square creates a busy appearance.
For shower walls generally it is best to use larger tiles from 4 inch by 4 inch tiles on upward to large format tiles in the 15 inch by 30 inch range.
This is a twist on the basic offset pattern where each tile s edge is only offset by one third of the width of the tile above or below.