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Old Yesterday, 09:07 PM   #1
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How much weight can 2 studs support?


Hello,


Im planning on installing a chin up bar wall mount in my basement. Its an unfinished basement so i know where the studs are. I was just curious if this was a good idea. When i opened the box the chin up bar seemed really heavy alone, plus me hanging on it. The chin up bar has atleast 3 screws on each side, so basically 3 screw hole for each stud.

Just wondering how much weight can 2 wood studs support? Or should i screw in a sheet of plywood to make it more secure?


Thanks
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Old Yesterday, 09:14 PM   #2
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Re: How much weight can 2 studs support?


About 1,000 lbs a pop if they are squared up.
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Old Today, 03:44 AM   #3
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Re: How much weight can 2 studs support?


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About 1,000 lbs a pop if they are squared up.
Can we use additional screws to make it more secure?
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Old Today, 04:58 AM   #4
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Re: How much weight can 2 studs support?


Who is "we"? More screws will only degrade the holding capability of the adjacent screws. Don't modify the screw pattern.
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Old Today, 06:43 AM   #5
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Re: How much weight can 2 studs support?


Mounted to studs, or ceiling joists ?

In either case, if you are not comfortable with the loading, you can mount a 1" plywood sheet across multiple studs to distribute the load to more studs. You could then mount the pull up bar to the plywood with nuts and bolts, which eliminates the risk of pull up bar screws pulling out of the wood.
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Old Today, 08:10 AM   #6
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Re: How much weight can 2 studs support?


Just attach it per manufacturers instructions and be done with it. Mine is still up 30 years later.
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Old Today, 11:40 AM   #7
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Re: How much weight can 2 studs support?


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Originally Posted by Merc_j View Post
Can we use additional screws to make it more secure?
If you weigh more than 1000 lbs don't think you will be doing any pull ups.

If you wanted to reinforce something. You could add another stud or portion of a stud inside the framing. Look at this link and think of the trimmer stud.

https://www.shedking.net/shed-door-window-framing.html
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Old Today, 11:46 AM   #8
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Re: How much weight can 2 studs support?


A chin up bar on a wall will be nearly useless. You need room to swing it needs to be in a doorway. If you have a door jam you can also get a pull up bar with multiple positions that can be hung temporarily as needed in the doorway. If you want to hang it not in a doorway a ceiling joist would be better.

A lag bolt vs screws would increase holding strength. You will need to buy or borrow a stud finder to find the stud or ceiling rafter location. Another way is to find a power outlet or switch. They will likely be mounted on a stud and the next stud will be 16 inches on center away.
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Old Today, 04:09 PM   #9
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Re: How much weight can 2 studs support?


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Originally Posted by Arcflasher1 View Post
Hello,


Im planning on installing a chin up bar wall mount in my basement. Its an unfinished basement so i know where the studs are. I was just curious if this was a good idea. When i opened the box the chin up bar seemed really heavy alone, plus me hanging on it. The chin up bar has atleast 3 screws on each side, so basically 3 screw hole for each stud.

Just wondering how much weight can 2 wood studs support? Or should i screw in a sheet of plywood to make it more secure?


Thanks
The correct answer to your question is that no definite answer is available because your problem is under-defined.
A 2x4 stud is rated to carry 529 lbs. if it is 8 ft tall and loaded as a column at the 8 ft height. Loaded at any shorter height, the capacity increases.
Each #8 wood screw is rated to carry 108 lbs. in single shear, when screwed into a 2x4 with 2" of penetration.
Your problem needs the height of the pull-up bar defined, and also the number and size of the wood screws defined. Also need to define the geometry of the pull-up bar.
i.e we would need to know how far the pull-up bar is cantilevered from the wall, and the exact location of the screws, because the cantilever amplifies the load on the screws and puts those screws in tension instead of shear.
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Old Today, 04:44 PM   #10
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Re: How much weight can 2 studs support?


Your problem is actually easy to answer. Hang per mfgr’s. Instructions and pull away! Over-analyzing.
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Old Today, 04:53 PM   #11
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Re: How much weight can 2 studs support?


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Originally Posted by ront02769 View Post
Your problem is actually easy to answer. Hang per mfgr’s. Instructions and pull away! Over-analyzing.
Yes, absolutely! When all else fails, read and follow the mfgr instructions. They engineered it to work.
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Old Today, 10:08 PM   #12
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Thanks everyone!
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