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Drywall Screws in Raised Bed

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Drywall Screws in Raised Bed

Post  blackcat54 on 1/11/2014, 12:57 am

I am building some raised bed containers using 2x4's and have a bunch of black drywall screws. Are exterior screws needed in this application? Will drywall screws stand up over time?

Thanks
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Re: Drywall Screws in Raised Bed

Post  southern gardener on 1/11/2014, 2:01 am

that's what we used in ours, and haven't had any problems so far!!
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Re: Drywall Screws in Raised Bed

Post  camprn on 1/11/2014, 5:24 am

I used 3 inch decking screws and have not had any failures in 5 years.

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Re: Drywall Screws in Raised Bed

Post  johnp on 1/11/2014, 8:22 am

I use both the deck screws and drywall screws and cannot see a difference. I like the tighter thread of the drywall screws better. After I put my beds together I paint them with primer so that may make a difference.
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Re: Drywall Screws in Raised Bed

Post  malefacter on 1/11/2014, 9:13 am

i wold use wood screws they have a smooth shoulder that is designed to slip as the threads grab the other pice of wood creating a tighter and stronger joint
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Re: Drywall Screws in Raised Bed

Post  littlejo on 1/11/2014, 10:18 am

We used drywall screws, and the wood is rotting out in the corners, but the screws are still good, and will be used again in the new connectors for the corners, 3 yrs time.
Jo
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Re: Drywall Screws in Raised Bed

Post  boffer on 1/11/2014, 11:33 am

Outdoors, drywall screws are worthless in my climate.  I can't count on them lasting 2 years.  I use deck screws or other screws rated for exterior use.
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Re: Drywall Screws in Raised Bed

Post  slimbolen99 on 1/11/2014, 3:35 pm

Drywall screws don't have the shear strength that regular decking screws or wood screws have; that's why it takes 20 - 30 of them to hold up a piece of sheet rock.  That being said, there's not a lot of shearing going on in a raised bed, so if it works, use 'em.  Personally, I like decking screws.
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Re: Drywall Screws in Raised Bed

Post  bnoles on 1/12/2014, 12:33 pm

I use 3" deck screws also and so far so good.


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Re: Drywall Screws in Raised Bed

Post  blackcat54 on 1/12/2014, 12:47 pm

When I drive screws into end grain to assemble my raised bed frames, the screws "find their own way" causing minor misalignment. Can I presume that slight gaps in my stacked 2x4 frame will not cause any problems? I don't think it will........just want to get some thoughts.
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Re: Drywall Screws in Raised Bed

Post  bnoles on 1/12/2014, 12:56 pm

@blackcat54 wrote:When I drive screws into end grain to assemble my raised bed frames, the screws "find their own way" causing minor misalignment. Can I presume that slight gaps in my stacked 2x4 frame will not cause any problems? I don't think it will........just want to get some thoughts.

Try pre-drilling your holes before driving your screws in.  This should solve your problem. Be sure to use a bit that is smaller in diameter than your screw.

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Re: Drywall Screws in Raised Bed

Post  yolos on 1/12/2014, 1:31 pm

@bnoles wrote:
@blackcat54 wrote:When I drive screws into end grain to assemble my raised bed frames, the screws "find their own way" causing minor misalignment. Can I presume that slight gaps in my stacked 2x4 frame will not cause any problems? I don't think it will........just want to get some thoughts.

Try pre-drilling your holes before driving your screws in.  This should solve your problem. Be sure to use a bit that is smaller in diameter than your screw.
+1
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Re: Drywall Screws in Raised Bed

Post  blackcat54 on 1/12/2014, 3:32 pm

End grain has alternating rings of soft and hard. The screw will follow the soft and avoid the hard material. Pre-drilling doesn't help, however the errors are so small that they are immaterial.
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Re: Drywall Screws in Raised Bed

Post  blackcat54 on 1/12/2014, 3:52 pm

First Prototype of a tomato bed + cage assembly.








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Re: Drywall Screws in Raised Bed

Post  bnoles on 1/12/2014, 5:07 pm

I like it Blackcat..... I like it a lot!

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Re: Drywall Screws in Raised Bed

Post  Goosegirl on 1/12/2014, 6:13 pm

@bnoles wrote:I like it Blackcat..... I like it a lot!

+1! Looks great!!!

GG
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Re: Drywall Screws in Raised Bed

Post  sanderson on 1/13/2014, 11:12 pm

BC,  I thought I "sent" my response, but I guess I didn't.  Here it is:  Awesome boxes!   Very Happy
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