Will Sanded Grout Scratch Marble Tile

Marble is such a pita.

Will sanded grout scratch marble tile.

Black marble is typically very soft. 1 8 wide grout joints can use either one but sanded grout tends to be more stable and doesn t shrink as much. The sand in grout can scratch soft marble tiles. In practice some veteran tilers relate that the abrasion from sanded tile grout is likely not enough to scratch tile surfaces.

The polished bianca carera marble hex tiles on the floor are now covered in fine scratches and grout is set. Some care is required if using sanded grouts on highly polished tiles as the sand can actually scratch the surfaces. If it s smaller than 1 8 of an inch use unsanded grout. I called the tile store and they said sanded grout would indeed do that to the polished marble.

Grout polished marble with tight joints up to 1 8 inch with nonsanded grout since sanded grout will scratch the surface of the marble. You should never use sanded grout with glass metal or marble tiles since it can scratch the surface and cause damage. If it s scratched your more than likely stuck. Sanded grout is normally recommended when the grout seams are 1 8 inch wide or more as the sand provides extra bonding power that prevents cracking.

Unsanded grout is usually recommended for tile that is easily scratched such as natural stone glass and certain porcelains and ceramics. Push the grout into the grout joints with the tip of. Rule of thumb is dont use sanded grout on marble it can interfere with any refinishing and repairs. Cutting the grout to half way down and then a polish may work.

Also the nonsanded is in platinum and the sanded the tile guy used also says platinum on the bag but looks white. When using a floor machine to clean or polish it can pull small bits of sand from the joints. Epoxy grout works great to resist stains but it may be a bit difficult to apply. In theory the sand content in sanded tile grout may damage these surfaces.

You will never be able to polish that floor if has sanded grout in it. Always use unsanded grout when working with a soft smooth polished tile like limestone or marble since abrasive sanded grout will likely scratch its surface. Testing the grout on sample tile is a good idea. Acrylic latex grout is a good alternative but it will require sealing.

1 4 grout lines in marble omg.