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Should I caulk my screws in the drywall over my shower?

Asked Mar 10, 2012, 04:23 PM — 11 Answers
Should I put caulk over the screws holding up the drywall over my shower? Or does the mud keep the moisture out? Thanks.

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11 Answers
massplumber2008's Avatar
massplumber2008 Posts: 10,539, Reputation: 5087
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#2

Mar 10, 2012, 06:17 PM


Hi Mstabe21

No need to caulk over the screws...as you said, the thinset (mud) should do the job here!

Mark
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smoothy's Avatar
smoothy Posts: 15,494, Reputation: 10703
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#3

Mar 10, 2012, 06:33 PM
You have drywall IN the shower.....or ABOVE the shower, above the tile or fiberglass or arcrylic enclosure?

Just wanting to be clear on this...yes I have actually seen tub/showers without anything put painted sheetrock above the tub level..and no its NOT right and begging for trouble VERY soon.
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ballengerb1's Avatar
ballengerb1 Posts: 25,641, Reputation: 11296
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#4

Mar 10, 2012, 06:43 PM


Smoothy is right, no drywall in a shower area that gets wet. Folks used to use greenboard or blueboard, thats out too. Please try to answer Smoothy's question about exactly where the material is mounted. You never caulk drywall screws BTW. You mention mud so we start thinking thinset but please tell us in more detail what you mean, some folks call joint compound mud.
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massplumber2008's Avatar
massplumber2008 Posts: 10,539, Reputation: 5087
Plumbing Expert
  
#5

Mar 11, 2012, 09:56 AM


I thought we were talking about sheetrock, "over the shower" unit....blueboard or mold-resistant greenboard would be fine there...although cement board would be the best job!!

Maybe Mstabe will pop in and clarify!

mark
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smoothy's Avatar
smoothy Posts: 15,494, Reputation: 10703
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#6

Mar 11, 2012, 10:59 AM
If I had not personally seen what I described several times myself....I wouldn't have even asked....but better to clarify it up front then find out 30 posts into a thread thats what they had.
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ballengerb1's Avatar
ballengerb1 Posts: 25,641, Reputation: 11296
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#7

Mar 11, 2012, 06:30 PM
Well if mstab doesn't come back we won't know what way being done.
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mstabe21's Avatar
mstabe21 Posts: 2, Reputation: 10
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#8

Mar 12, 2012, 02:21 PM
I put up mold-resistant greenboard. And yes it was aboove the stand up shower no bath tub..
It's on the ceiling above the shower and 3 walls around the top of the shower. I ran the greenboard down over the showers surround flange at the top and caulked where they met. Thanks again everyone.
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smoothy's Avatar
smoothy Posts: 15,494, Reputation: 10703
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#9

Mar 12, 2012, 04:48 PM
Mud over the screws....the corners should have been taped and muded too....after primer and top coat paint on the ceiling you would be good.

I like blending a mildewcide into the paint in rooms like the kitchen and bathroom or garage...any place that sees above average humidity. Extra security...
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jlisenbe's Avatar
jlisenbe Posts: 2,355, Reputation: 617
Well & Pump Expert
  
#10

Mar 13, 2012, 05:56 AM
Years ago I had a bathroom which would get mold on the ceiling every year or two. Got tired of having to deal with it, so I used an exterior paint on the ceiling. Looked fine, and no more mold problems. You might want to try it.

It's the paint you use that will retard moisture, not the material you use over the screw heads, but since it's up high or on the ceiling, I wouldn't think you would have a problem. I did the same thing about ten years ago in our bathroom, and it has worked fine. I did use the water resistant sheetrock.
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