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putting 2x4 between joists

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  • Jul 30th, 2021 11:31 am
[OP]
Member
Aug 25, 2020
369 posts
89 upvotes
oshawa

putting 2x4 between joists

I put a 2x4 between joists and had a 8x3 wood screws. these screws broke and it could not penetrate the middle of the joist. I am stuck now. i tried twice. i am left with a broken screw and the other one is stopped half way.
https://i.imgur.com/eWNEYTl.mp4

Here is a video.
50 replies
Deal Expert
User avatar
Feb 11, 2007
20680 posts
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GTA
buysell2008 wrote: I put a 2x4 between joists and had a 8x3 wood screws. these screws broke and it could not penetrate the middle of the joist. I am stuck now. i tried twice. i am left with a broken screw and the other one is stopped half way.
https://i.imgur.com/eWNEYTl.mp4

Here is a video.
What are you using to screw them in? They shouldn't be breaking. You can use higher quality screws, or just predrill the holes, then screw them in.
If the women don't find you handsome, they should at least find you handy.
Deal Addict
Jan 21, 2011
1381 posts
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GTA
Use #10 or #12 construction screws. What are you using to screw them in with? Pre-drill first if you can.
Deal Addict
Jun 26, 2019
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GTA
engineered wrote: What are you using to screw them in? They shouldn't be breaking. You can use higher quality screws, or just predrill the holes, then screw them in.
When using screws for framing I would always recommend using structural or shear screws.

GRK fasteners are available in most hardware stores and are the best of both worlds between nails and screws.
Deal Addict
Oct 17, 2002
1320 posts
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Oakville
just predrill and be done with it. Use some pliers and remove the screw that had the head snapped off. Predrill two holes at the appropriate size and then put the screws in.

Also, I dont know if your joists are 16" or 24" appart, but not a fan of using that single 2x4 like that (assuming you're screwing on the fan box on the 3.5" side?). I would have used 2 2x4's together and screwed in the box on the the 1.5" sides (if that makes any sense)
Member
Mar 10, 2012
328 posts
334 upvotes
THORNHILL
buysell2008 wrote: Here is a video.
A single, static photo would make it much easier for people to help you.

Sometimes a video is appropriate, this wouldn't be one of them.

Not sure what you're using to drive the screws, but as others have noted, pre drilling holes should solve the problem...
Deal Addict
Nov 12, 2006
3109 posts
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London
buysell2008 wrote: I am stuck now. i tried twice. i am left with a broken screw and the other one is stopped half way.
Clamp vise grips on the headless screw and rotate to remove.
Re-clamp as required.

Doesn't anybody use nails anymore?
This wouldn't have happened.
Deal Addict
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Jan 2, 2012
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KINGSTON,ON
Just hit it sideways with a hammer. You may have to hit it from the opposite direction as well. Screws have poor shear characteristics, so it should snap off flush.

Go buy some construction screws instead of Chinesium Walmart/Dollarama brand and try again.
This is the perfect example of where and when to use an impact driver.
[OP]
Member
Aug 25, 2020
369 posts
89 upvotes
oshawa
this screw was homedepot and suggested by the associate there. i got the construction ones today. lets see what happens tomorrow
Member
Mar 10, 2012
328 posts
334 upvotes
THORNHILL
buysell2008 wrote: this screw was homedepot and suggested by the associate there. i got the construction ones today. lets see what happens tomorrow
What are you using to drive said screws?
Deal Addict
Jun 26, 2019
2062 posts
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GTA
buysell2008 wrote: i got this

https://www.homedepot.ca/product/paulin ... 2691121370

and they also had the GRK T-10 BIT to put on my ryobi driver
https://www.homedepot.ca/product/paulin ... 2691874191
That is generally what I use.

Also, just as an FYI those yellow/t10 bits are for the smaller head screws. Maybe double check you got the right one?

The screw pack will come with one small bit of the correct size as well. So should be good to go regardless.
[OP]
Member
Aug 25, 2020
369 posts
89 upvotes
oshawa
ok. your suggestions did the trick. I used the right screws and the 2x4 is up and steady. I also checked the level and it matches the ceiling.
Next is to put the fan box. I have this from home depot.
https://www.homedepot.ca/product/ibervi ... 2538411266

I got a 10x1 1/4 wood screws to mount the fan box on the 2x4. is this sufficient? Or should I get a a different screw?
Deal Addict
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Jan 2, 2012
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KINGSTON,ON
Well, you most definitely won't break those structural screws .
Pan head #10 1-1/4" are fine. There's very little weight to the fan. You could have used something as short as 3/4", but that's the next guy's problem in 15-20 years when it needs replacing. Face With Stuck-out Tongue And Tightly-closed Eyes
Deal Expert
Mar 25, 2005
22524 posts
3475 upvotes
Is the 2x4 flush to the drywall? Those screws look about 3/4" up the joist...so where is your box going?
[OP]
Member
Aug 25, 2020
369 posts
89 upvotes
oshawa
2x4 is flush to dry wall and is screwed to the joists on 2 sides
Deal Expert
Mar 25, 2005
22524 posts
3475 upvotes
Where is your box going? The drywall will only be around 1/2" thick?

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