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You'd be better off with a multi tool, a cheaper version of the fein multimaster would do it. You can grind the grout out with a special blade then drill with a high speed drill (not hammer) using a glass/tile bit lots of holes in the middle of the tile, then carefully crack the tile with a hammer (cover the tile with an old towel or similar) and using a masonry chisel carefully chisel out the broken bits and adhesive.
I never tile on anything but solid floors now, I lose a few jobs over it but it's too easy for a little movement to crack the tiles. I used to use 18mm ply on the joists but it's often not enough to stop the movement in the floor. Smaller tiles sometimes work but these days everyone wants huge tiles.
p.s. lay off the angle grinder, a cheap wet cutter for tiles would do the job much better. Angle grinders are the bodgers favourite tool.
Airhead-
Cheers.
Would a multitool be able to cut through concrete layed patio? (the other immediate thing I need a grinder for)
From looking online I was going to:
- Mask off good tiles
- Use the dremel to take the some of grout out (because it's small and I'm used to using it) and then use a manual tool to scrape the remaining grout.
- Drill a hole (or 3) where the cracks meet to create a center space.
- Chisle out from the centre hole. I'm hoping as there is some movement the tide should lift easily.
I'm not 100% on the next step(s) as I don't know the material or condition of the underneath.
I am assuming that there is excess space caused either by; 1) soft floor / floor movement, or 2) a problem with the adhesive.
- Mask off good tiles
hugo7
Totally understand that and will be replacing asap. But for the next day or two, I figured that plus a bath mat ontop and careful showerring should give some protection.
Unfortunately the tile isn't full size so I need to get hold of a cutting instrument as well as grout and adhesive. I don't think my dremel will be up to the task ;)
I'm just doing some reading to decide whether to borrow or invest in a 10" or 6" angle grinder (edit or a 4-4½").