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Unsanded grout for marble floor.
Push the grout into the grout joints with the tip of the.
This is a general rule.
Unsanded grout all grout to different degrees will shrink as it cures.
Unsanded grout is often the best choice for smooth polished tiles like marble even if the joint width is 1 8 or larger.
1 8 wide grout joints can use either one but sanded grout tends to be more stable and doesn t shrink as much.
This is a huge determining factor when choosing between sanded vs.
Unsanded grout is made specifically for grout lines smaller than 1 8 inch wide.
Sanded grout is normally designed for grout joints 1 8 wide or larger.
There s even grout that will match jewel colored 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.
For glass tile along accent walls or backsplashes glass grout is available in different colors.
At floor decor you ll find unsanded grout and sanded grout as well pre mixed grout for faster installation.
I use unsanded grout only in tile with grout lines smaller than 1 16.
Grout joints over 1 2 wide need a heavier gauge blend of sand to perform well.