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Unread 08-19-2019, 11:14 PM   #1
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advice on tiling fireplace area over painted drywall (pics included)

Hello. It's been awhile since I posted anything. Haven't done much tile these days. I'm installing some ledgestone tile on a fireplace (below mantle around fireplace opening and above mantle to the ceiling). The pieces of stone/tile are relatively heavy (if I was throwing up subway tile I wouldn't worry about going over the painted drywall). If I tile over the finished drywall is it possible the weight of the tile could peel the paint from the drywall and cause the installation to fail? If I sand the painted surface a little and score the daylights out of the painted surface will that allow the thinset to bond to the body of the drywall and make it stronger or will that increase the chances of a failure? What would you recommend? Tearing drywall out and replacing with cbu?
Also they are hanging a tv over mantle and installed the tv mount next to the electrical outlets...not sure if I should build that out or just go around it since tv will be covering that area anyway.
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Unread 08-20-2019, 03:58 AM   #2
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I did similar with ledgerstone over a painted wall. Had the same worries. Attached 1/4” Hardiebacker to the wall and tiled over that. Easy, no worries, and is holding up fine. I’d tile over the the whole wall surface and extend the outlets and bracket to mount over the tile/stones.
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Unread 08-20-2019, 06:24 AM   #3
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I thought about 1/4" Hardi over it but they want a raw edge on the side and then there would be a 1/4" gap. So it's either tear out drywall and replace or find best method to tile on the existing painted drywall.
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Unread 08-20-2019, 08:03 AM   #4
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sand off the paint, tile to the drywall
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Unread 08-20-2019, 09:11 AM   #5
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Since you may not know how securely the DW is attached I'd take a bit of time to run some more screws into it.
If I recall correctly my memory is excellent, but my ability to access it is intermittent.
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