12x12 Granite Tile No Grout Joint

Crater lake 3x12 design.
12x12 granite tile no grout joint. The sanded grout provides more resistance to cracking for joints larger than 1 8 wide. Why 1 8 or more. They also suggest adding to this width the amount of edge warping on the longest edge. In general there is more size variation in larger sized handmade tiles so they need a bigger grout joint for that to become less noticeable and for a more even installation.
These tiles known as vitrified tiles can be installed with no gap or grout joint between them. Have extra on hand for the breakage factor. For tile having a total variation of 1 16 in facial dimensions a minimum of 3 16 grout joint shall be used. Tcna recommends a minimum 1 8 grout joint for rectified tile and minimum 3 16 grout joint for calibrated tile.
Industry standards state that minimum grout joint width should be 1 16 wide but that requires that you have very precisely sized tiles and that you use a non sanded grout. Clearly grout joints also accommodate both changes in the thickness and profile of rustic hand molded tile. The size of your tile should be considered when choosing a grout size. While the intent of a thinner grout joint is often to obtain a more desirable aesthetic inconsistencies in the grout or tile are generally more evident in an installation with a thinner grout joint which can give the installation.
If this area will be subject to water or moisture you will still need to grout the tiles despite their lack of joint. You ll also need a 25 pound bag of thinset mortar and a 5 pound bag of unsanded grout for the tile joints. Don t forget to subtract for the sink stovetop or other built ins you will have on the countertop. 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.
For example if the edge warping of a rectified tile is 1 32 the minimum grout joint is 1 8 1 32 5 32. Make sure to add for the tiles you ll need to cover the front lip of the granite tile countertop. If this is a dry wall application such as a kitchen backsplash you may not wish to grout this tiles at all. 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.
Should tile go over a hump in the floor the grout joint will open. If you truly dislike the look of grout however and you plan on installing your tiles in a dry area you may be able to get away without using a grout joint provided you install tiles that have. Sanded grout won t fit into a grout joint less than 1 8 wide. We do provide some.
Many stone and tile manufacturers suggest that grout joints be no less than 1 8 to 3 16. The actual grout joint size shall be at least three times the actual variation of the facial dimensions of the tile supplied.