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This is one of our first DIY projects, thank you in advance for your help!

We removed an old baseboard of the heating system in the bathroom and were left with a horizontal gap in the tiles. As you can see, the gap between the tiles and the drywood gets up to about 1 3/4" at its widest point.

We heard about grout, epoxy grout, acrylic grout, silicone and other options.

Which one should be best for this case?

Picture with ruler Another angle

brhans
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ronme
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    That gap is much to large for grout or caulking. The baseboard trim was the best solution for the improperly installed tile. – Alaska Man May 25 '20 at 20:19
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    Why do a half-way job? Remove a tile (e.g. slow prying), take it to a store that sells tile, get some matching pieces and a tile-cutter, and do it right. If you plan on keeping the house, you'll live with sloppy work for years, and if you plan to sell, it would reduce the value. – DrMoishe Pippik May 25 '20 at 20:20
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    @AlaskaMan thank you, I forgot to mention that the (ugly) baseboard was of an old heating system which we no longer use. That's why we removed it. – ronme May 25 '20 at 21:48
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    I agree with @AlaskaMan, that gap needs to be filled with a baseboard molding. – Jimmy Fix-it May 25 '20 at 21:52
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    Fat base (3/4") and a big quarter round will probably make that disappear. Grout the last 1/4" at the wide end. – Aloysius Defenestrate May 25 '20 at 21:58
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    @AloysiusDefenestrate what type of grout would you use? – ronme May 25 '20 at 22:49
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    Same as what's on the floor, ideally. You might need to borrow one of the color keys from a tile shop, as it's really hard to match at the store with a scrap of existing. – Aloysius Defenestrate May 25 '20 at 23:11

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Grey, sanded. 'black' is easy: #60 charcoal.

I'd grout it first though. I've had luck with a grout line that wide, and it was a wood-to-tile threshold nonetheless. A 1/2"-plus deep and ~2" wide? I'd go for it; that will seal the gap better too. Then base and quarter round.

I'm an all-or-nothing type of guy, but that's way too much all to get excited about what will end up being a slightly too wide grout line along the trim, of an otherwise serviceable tile job. - When you gut the bathroom though....

Mazura
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