Metro tiles without grout

[Dumbo]

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I thought we were talking about mini metros

 

[Mossop]

What would be the smallest T-shaped spacer which could be used for the 7.5 x 15 cm mini metros? There would be a Schluter Kerdi-board substrate.

Would it be okay to use the 1 mm thickness?

 

[Qwerty]

Are you still wanting no grout?

 

[Mossop]

Are you still wanting no grout?

No, with grout.

 

[Qwerty]

You could go with 1mm but alot of grout manufacturers specify grout has minimum width of 2mm. Also 1mm will show up the tiniest of variation in tile setting. 2mm is best