Screw Size

 
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Old 01-28-2013, 09:40 PM   #1
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Screw Size


1-1/4 screws for 5/8 drywall @ 24 O.C. Joists or 1-5/8 screws? Can't find it on my plans anywhere. Just wondering what you experts are using. However just to be safe I will probably make them use 1-5/8's.
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Old 01-28-2013, 09:43 PM   #2
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Re: Screw Size


1-5/8"...

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Old 01-28-2013, 09:43 PM   #3
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Re: Screw Size


I would go with 1 5/8 and glue. I glue all drywall, not sure if its over kill but I dont care. I sleep well at night
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Old 01-28-2013, 09:49 PM   #4
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Re: Screw Size


Quote:
Originally Posted by bronzgonz View Post
I would go with 1 5/8 and glue. I glue all drywall, not sure if its over kill but I dont care. I sleep well at night
If its sleep your concerned about you could just substitute the glue for a bottle of Scotch.
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Old 01-28-2013, 09:51 PM   #5
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Re: Screw Size


1-5/8".
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Old 01-28-2013, 09:55 PM   #6
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Re: Screw Size


2009 irc states screw shall penetrate wood 5/8 of an inch so 1 1/4 are fine code wise as far as the fastening shedule they only specify nail lenghths for the different spans (16 or 24 ) so i dont think it makes a difference
I hung board for 12-13 years and thats all we ever used (1 1/4 ) for 5/8 but if 1-5/8 make you feel better why not ? they cost the same and pretty much not any harder to work with any good gun guy will flip them same as 1 1/4 's
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Old 01-28-2013, 09:56 PM   #7
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Re: Screw Size


Quote:
Originally Posted by bronzgonz View Post
I would go with 1 5/8 and glue. I glue all drywall, not sure if its over kill but I dont care. I sleep well at night
I have dealt with some EXTREME job specs.....

But from HIGH DOLLAR residential, to California school stuff & commercial jobs...I have NEVER seen gluing drywall as a job spec...

Not knocking you just curious...
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Old 01-28-2013, 09:58 PM   #8
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Re: Screw Size


Quote:
Originally Posted by bronzgonz View Post
I would go with 1 5/8 and glue. I glue all drywall, not sure if its over kill but I dont care. I sleep well at night
wow I have never seen any one glue drywall unless it was to concrete or steel and fasteners were not an option but i guess that board will never come down
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Old 01-28-2013, 10:05 PM   #9
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Re: Screw Size


Quote:
Originally Posted by griz View Post
I have dealt with some EXTREME job specs.....

But from HIGH DOLLAR residential, to California school stuff & commercial jobs...I have NEVER seen gluing drywall as a job spec...

Not knocking you just curious...
That's a first for me too. Seems like it would only grip the paper and give no real strength. Because the glue is only as strong as the paper. IMO
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Old 01-28-2013, 10:12 PM   #10
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Re: Screw Size


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That's a first for me too. Seems like it would only grip the paper and give no real strength. Because the glue is only as strong as the paper. IMO
Good point
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Old 01-28-2013, 10:21 PM   #11
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Re: Screw Size


Quote:
Originally Posted by Californiadecks View Post
Seems like it would only grip the paper and give no real strength. Because the glue is only as strong as the paper. IMO
Except where the screws are.
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Old 01-28-2013, 10:23 PM   #12
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Re: Screw Size


1 1/4 screws
Hi low
Fine
Coarse
Depending on framing
3 in the field
1 on the bone
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Old 01-28-2013, 10:23 PM   #13
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Re: Screw Size


My ceiling are glued . 1/2 rock get's 1" 1/4 and 5/8 rock get's 1" 5/8 . double 5/8 walls get 2" . Bathroom's get coatied screws . I also glue pocket door studs to drywall .
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Old 01-28-2013, 10:42 PM   #14
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Re: Screw Size


Ok here's another dilemma, my insulation guy was out measuring this whole home remodel I am doing and there is existing flat roof rafters that I will be hanging drywall on. He noticed that they are 24-3/4" O.C. It caught me by surprise because I never thought to get up there and measure them. So my electrician already has all his can lights up. Do I slide on 3/4 over span or do I remove all can lights and put fur strips on the whole damn ceiling? gawd only knows what the original builder was thinking setting rafters at 24-3/4" centers.
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Old 01-28-2013, 10:47 PM   #15
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Re: Screw Size


Quote:
Originally Posted by Californiadecks View Post
Ok here's another dilemma, my insulation guy was out measuring this whole home remodel I am doing and there is existing flat roof rafters that I will be hanging drywall on. He noticed that they are 24-3/4" O.C. It caught me by surprise because I never thought to get up there and measure them. So my electrician already has all his can lights up. Do I slide on 3/4 over span or do I remove all can lights and put fur strips on the whole damn ceiling? gawd only knows what the original builder was thinking setting rafters at 24-3/4" centers.
You could probably get away with the 3/4".
But, you might want to run a string on the rafters first.
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Old 01-28-2013, 10:48 PM   #16
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Re: Screw Size


Quote:
Originally Posted by griz View Post
I have dealt with some EXTREME job specs.....

But from HIGH DOLLAR residential, to California school stuff & commercial jobs...I have NEVER seen gluing drywall as a job spec...

Not knocking you just curious...
Just how i was taught. Surprised some haven't heard of gluing. I've been in the trade for over 23 yrs and walking through jobs during the hanging of the drywall most contractors here glue. It might just be a "region" thing. Built my house and used the guy who glues for that reason. (knock on wood) 8 years and no pops, some settling cracks but no nail pops. I would also think it helps keep that wall or ceiling more secure, stronger unit. Not sure. No matter, inexpensive cost, used to gluing will keep doing the same
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Old 01-28-2013, 10:48 PM   #17
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Re: Screw Size


Quote:
Originally Posted by Sir Mixalot View Post
You could probably get away with the 3/4".
But, you might want to run a string on the rafters first.
To check for flat?
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Old 01-28-2013, 10:50 PM   #18
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Re: Screw Size


Quote:
Originally Posted by Californiadecks View Post
Ok here's another dilemma, my insulation guy was out measuring this whole home remodel I am doing and there is existing flat roof rafters that I will be hanging drywall on. He noticed that they are 24-3/4" O.C. It caught me by surprise because I never thought to get up there and measure them. So my electrician already has all his can lights up. Do I slide on 3/4 over span or do I remove all can lights and put fur strips on the whole damn ceiling? gawd only knows what the original builder was thinking setting rafters at 24-3/4" centers.
you could sister strapping on the bottom edge of the joist and just cut a couple peices around the cans ? might be a little quicker and cover you span wise ? or you know lol strap it
that sucks
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Old 01-28-2013, 10:53 PM   #19
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Re: Screw Size


So my lead carpenter says if the inspector passes framing I'm good to go.
My thought is he could catch it on drywall nailing. But he would have to get on a ladder and check it. That would be one pissy inspector.
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Old 01-28-2013, 10:53 PM   #20
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Re: Screw Size


Quote:
Originally Posted by Californiadecks View Post
To check for flat?
Yes. The 24-3/4" is a clue that it might not be.

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