Repairs where tile meets ceiling - Grout or Caulk?

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Old 01-24-15, 01:11 PM
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Repairs where tile meets ceiling - Grout or Caulk?

Hi,

I am a relative novice here, and I am dealing with something that I have not had to previously. In one of my bathrooms, where the tile of the shower meets the ceiling, the grout that was between the top of the tiles and the ceiling has cracked and separated. My question is, do I need to remove the old grout and re-grout this area to repair it or would caulking work in this situation? And in both cases, how much of the old grout do I need to remove between tile and ceiling before starting repair and what is the easiest way to do that?

Picture attached.

thanks in advance!
 
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Old 01-24-15, 03:46 PM
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That is not tile and it's probably not grout at the top. It looks like you have a plastic or fiberglass surround. It's probably caulked where it meets the ceiling. I would just fill in the crack and missing area with a white silicone caulk. I don't know what's along the top of the surround now but doing much more than caulking will turn it into a larger job.
 
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Old 01-24-15, 03:53 PM
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I would remove the existing caulking, as it appears to be pulling down anyway. I think an elastomeric type caulk in the crack would blend in and will expand and contract without cracking as the silicone did in your case.
 
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Old 01-25-15, 03:15 AM
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I agree, cut and scrape off the old caulking and recaulk it. I'd use a siliconized acrylic latex caulk.
 
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Old 01-25-15, 06:41 AM
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Thanks all. The picture may look off but that actually is tile and it was grouted between the top and the ceiling. I plan to scrape out all the loose grout and then caulk it as suggested. Thanks again
 
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Old 01-25-15, 11:08 AM
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Whenever there is a change in direction, caulk should be used instead of grout. That includes where the tile meets the ceiling, the corners and at the tub. A stiff putty knife should work well at chipping off the grout.

almost forgot welcome to the forums!
 
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Old 01-31-15, 01:36 PM
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I think if it were me, I would "sponge caulk" that crack with ordinary latex caulk, and then paint the bathroom ceiling (and that top "grout" line) with Zinsser's PermaWhite bathroom paint.

To "sponge caulk" a crack, you squeeze the caulk into the crack only a foot or two at a time, and then immediatly wipe the fresh caulking down with a damp sponge. The sponge will remove all the caulk, except for what's in the crack.

Now, put painter's masking tape up along the bottom edge of your caulking/grout joint in the corner and paint your bathroom ceiling and that caulking/grout with a mildew resistant bathroom paint like Zinsser's PermaWhite.

No one will ever see the caulk filled crack once it's painted over and everything is the same colour. Or, the person that does see that will have the eyes of an eagle.

Clean your bathroom ceiling with a phosphoric acid based general purpose bathroom cleaner to remove any soap scum accumulation on the ceiling before painting it.
 
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Old 01-31-15, 01:45 PM
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I like to use a damp sponge to 'tool' off the caulking but mainly because it keeps my fingers cleaner You need to make sure you don't use too much water or the caulking can get diluted resulting in early failure

Zinnser's PermaWhite is an excellent choice of paint for bath rms or anywhere in the interior where mildew/mold is expected to be an issue.
 
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