Tile floor in a boat

[Lostsailor13]

Next month were getting a cnc water jet at our shop and was thinking i could cut out an incredible design,instead of tile grout use something flexible

 

[rgano]

We had floating tiles with flex gout installed in our dirt home's bathroom remodel and doing fine since 2004. I think if I were doing it in a boat, I'd keep the individual tile size on the smallish side to better hand flexing.

 

[Lepke]

If the tile is mounted on something solid like 3/4" plywood, it shouldn't flex.
My showers are tiled, no issue, and it a wood boat that flexes a lot more than current boats.