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Old 04-02-2011, 09:05 PM   #16
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Gap between sheets of drywall


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Originally Posted by GBR in WA View Post
From the horse's mouth- pp. 10-- 4.6.8 Gaps 1/4" and smaller= prefilled w. joint compound.
4.6.8.1 Gaps 1/8" and smaller- prefilled w. either setting or drying compound.
4.6.8.2 Gaps 1/8" and greater= setting type compound.
http://gypsum.org/pdf/GA-216-2010.html

Interesting on mesh and paper tape from USG; http://www.usg.com/rc/technical-arti...e-en-J1190.pdf

http://www.usg.com/rc/data-submittal...ata-MH1178.pdf

Gary

whats the difference between greater than 1/8 inch and smaller than 1/4 inch ? arent those the same ?

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Old 04-02-2011, 09:12 PM   #17
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Gap between sheets of drywall


we are starting to get more instructions from archetects "SP" for zero tape products in basements , meaning paperless drywall and plastic bead and fibre tape all seems using setting compounds to set mesh tape etc. sort of makes sense, i mean why use paperless drywall and then use paper tape and paper beads? sort of defeats the purpose of using paperless drywall if your going to finish it with paper products anyways.
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Old 04-02-2011, 10:10 PM   #18
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Gap between sheets of drywall


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point taken but ill also remind you that he is talking about on the cieling i will argue that a 1/4 inch gap is bad and i guess that makes the difference between you and me on finishing and maybe even area.
i was taught if you can slide a nickle you tape if you can stick a finger you replace with rock, i guess it all comes down to what you are taught

no you can use setting muds to fill quite large gaps and then tape , everyone thinks drywall is some supperior product 'not true' all it is is a board that was made easy to install, handle , easy to work with , and somewhat durable lightweight etc . hot mud is alot tougher than the actual drywall, doesnt mold as easy as sheetrock, etc. but you cant make drywall out of hot mud cause it wouldnt be practicle it would be far superior though if it was.


take a piece of drywall and a lump of hot mud put them under water and see wich one falls apart . the hotmud will even set under water .
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Old 04-02-2011, 10:24 PM   #19
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Gap between sheets of drywall


Follow the link, the first was a general statement, 4.6.8. The next two are showing what is required for their warranty. (Up to 1/4")

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Old 04-05-2011, 03:17 PM   #20
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Gap between sheets of drywall


i hope you decide to fix your 1/4 inch gap
the topic of durabond is acurate
my point is if this is in your ceiling you never want 1/4 inch gaps ever
some say they have done this work for x amount of years and have had no problem with quick set compounds
i applaud them tho i think they may be stretching the truth
i have never seen any mud put in a gap that wide in a ceiling that didnt bubble due to gravity
they say they can and i just dont believe it
i have over three generations of drywall and plaster behind my advice
i myself have over thirty years in the trade
i was taught by two different drywall family i think i might have a idea
both families i was taught by are three generations in the art
passed down from father to son
this is your remodel you are the one that has to be happy when done
i have given you my best advice and others have too
all in all i cant see it from my back door so i wish you all the luck
please post pics rather you use my idea or some others
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Old 04-05-2011, 03:50 PM   #21
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Gap between sheets of drywall


Okay. Durabond in any joint/crack? I have been thinking about just filing all the joints with Durabond prior to taping. This make sense? Before I begin the taping I will post up some pic's.
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Old 04-05-2011, 06:03 PM   #22
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Gap between sheets of drywall


if you use a hot coat to prefill just be sure to scrape it before you try tapeing a 4" knife will work great if this is in your angles try sanding it if you cant get smooth bye scraping

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