Damaged drywall after tile removal

mychellieAugust 13, 2014

Sorry I posted in the wrong place. Not sure how to remove this post.

I removed the backsplash in my bathroom. After removing all the old tile adhesive, the drywall is now down to the brown paper and there are a few places where the gypsum is exposed. I plan on adding a new backsplash.

From what I've read, I think the best option is to seal the drywall with Gardz and then patch the holes and skim coat before applying the new tile. Is this correct? Or do I patch the exposed gypsum, then apply Gardz and then skim coat to a smooth finish before applying the tile?

Any help greatly appreciated.

Thanks!
Michelle

This post was edited by mychellie on Wed, Aug 13, 14 at 12:35

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nancyocean

I guess it depends how much damage is done, hubby was way too aggressive taking off old tile. We had to have a drywall guy come in and install new drywall, and the seam tape had to be covered before tile man would do work. Some tile men do the repair of dry wall, but it sounds like you are doing the tile yourself? If you only have a few small holes, your solution sounds good to me.

    Bookmark   August 13, 2014 at 10:51AM
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schicksal

I'd install 1/4" backerboard over what you have and put the tile on that.

    Bookmark   August 13, 2014 at 12:15PM
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mychellie

Thanks for the responses. I mistakenly posted this in the kitchen section but this is actually for my bathroom backsplash over the sink. Is there an issue with moisture if I just put the backerboard over the drywall as it is? I added a picture to the original post.

    Bookmark   August 13, 2014 at 12:37PM
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live_wire_oak

Just rip off the drywall and replace it with more drywall. Unless it's in a wet area, you don't need backerboard. Backsplashes are not considered wet areas.

    Bookmark   August 13, 2014 at 2:02PM
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schicksal

The only reason why I would use backer board is so the wall doesn't get torn up as much next time the backsplash changes. Neither are waterproof and the area isn't wet enough for it to be a big deal anyway.

    Bookmark   August 13, 2014 at 2:40PM
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mychellie

I thought of removing the drywall. I'm just not very confident in my skills, as I've never done that. Thought it would be much easier with the sealant.

This is another issue I have in the same area where the drywall came off around the electrical outlet. I was hoping to get away with just patching it.

    Bookmark   August 13, 2014 at 3:44PM
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lazy_gardens

"Or do I patch the exposed gypsum, then apply Gardz and then skim coat to a smooth finish before applying the tile? "

No ... because the skim coating of drywall mud is N OT a structurally sound material. It will soften from the moisture in the tile adhesive and you will have a MESS.

The easiest way is to apply tile backer board, then tile.

    Bookmark   August 13, 2014 at 4:53PM
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mychellie

Maybe there are too many different products out there. lol. I was thinking of a skim coat with thinset which I think is different than drywall mud.

The problem with the backer board is I think it will add too much thickness.

Maybe I'll just replace the drywall. Ahhh, so confused now.

    Bookmark   August 13, 2014 at 5:06PM
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Trebruchet

Replacing the drywall with so little damage is overkill. Mud it to flush, tile and grout, and forget it.

    Bookmark   August 13, 2014 at 5:29PM
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