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Old 05-02-2014, 10:55 PM   #1
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reasons for tape and mud on drywall


I don't have the links but saw two websites taking about level 0-5 quality for drywall and joints.
I am putting in a shower surround. Using greenboard, green mesh tape. The joint will be covered by the surround. I've done two days of mudding, the third will be done tomorrow.
The question is: is the tape and mud for strength of the joint, to stop cracks, or to make an overall smooth wall for appearance? I'm sure it is a combination of all three but it seems like the overall smooth appearance is the biggest factor. If I had a place where the appearance didn't matter at all, if I was going to put up paneling over the drywall, then I wouldn't have to tape or mud all all, right?

Thanks.

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Old 05-02-2014, 11:52 PM   #2
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reasons for tape and mud on drywall


Correct, if you are going to panel your walls no taping or mudding needed.

I have done it just to have an extra layer of material holding up the insulation. And as a space holder around outlets, switches, etc.

ED

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Old 05-03-2014, 11:55 PM   #3
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reasons for tape and mud on drywall


If in a heating/cooling climate, I'd tape just to stop air infiltration/exfiltration... as that is your air barrier in contact with the thermal barrier.

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Old 05-08-2014, 12:49 AM   #4
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reasons for tape and mud on drywall


the paper tape stops joints from cracking as easily, so if you're going to plaster behind the shower still put the tape in first so air doesn't get through if it cracks.
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Old 05-08-2014, 09:02 AM   #5
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reasons for tape and mud on drywall


Quote:
Originally Posted by de-nagorg View Post
Correct, if you are going to panel your walls no taping or mudding needed.

I have done it just to have an extra layer of material holding up the insulation. And as a space holder around outlets, switches, etc.

ED
Sorry correct code is to fire tape the walls before putting up the paneling.
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Old 05-08-2014, 11:26 PM   #6
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reasons for tape and mud on drywall


Not if under the IRC and wood paneling is 1/4" thick or more; http://publicecodes.cyberregs.com/ic...9_7_par020.htm

BUT, he needs an air barrier (back tape the seams on stud edge -perimeter, first) in contact while the thermal barrier (insulation); http://publicecodes.cyberregs.com/ic...002_par022.htm Check local AHJ.

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Old 05-10-2014, 09:12 PM   #7
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reasons for tape and mud on drywall


first off most people don't use 1/4" or greater paneling they use 1/8th so yes it is code. second I am glad to see that you agree that air movement is blocked by the sheetrock and not the insulation as you have stated before in other posts.

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