Stove top and downdraft vent location; Before:

After: Ut-oh… Need to do some cutting tomorrow to get it to fit:

So we caulked the perimeter of the floor instead:

This also required some creative problem solving (backer rods? How about flexible foam), but in the end it looks good:

And around the panel:

This is different from grout because it’s flexible, which allows the tile to move slightly as temperatures flux. Without it, tiles that move could crack the grout. It’s the same color as the grout, however, so that it looks consistant.