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I have hung a punching bag weighing about 100 pounds in my unfinished basement. I just want to make sure that the setup would not harm my basement in any way.

enter image description here

  • The boards are 2*6 lumber
  • The screws I used to hang the boards are 3.5 inches long (8 per board)
  • This is the heavy bag hanger
  • This is the heavy duty spring

Answers that I am interested in:

Would this setup

  1. Cause any sort of damage to the basement?
  2. be able to hold punches on the bag?
  3. When I did not use the spring, it caused a lot of vibration. Would that be damaging?
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  • vibration will cause lightbulbs to fail. ... no sure about fluorescents ... the boards may pull away from the floor joists because it looks like the 2x6 are not right against the joists and may have a bit of wobble in them
    – jsotola
    Commented Feb 12, 2018 at 0:16
  • Thank you.. I did not even consider the light bulbs. The spring did reduce the vibrations.
    – Viv
    Commented Feb 12, 2018 at 0:20
  • secure the bag chain to the spring more securely than shown in the photo. The spring hook at the bottom may open under impact and disengage the chain from the hook. If you don't secure that hook, be sure to have video cameras running when the bag is in use. (grin)
    – fred_dot_u
    Commented Feb 12, 2018 at 0:59
  • The floor above is a larger concern than the basement. I wouldn't hang it below a tiled floor or china cabinet if I could avoid it.
    – Matthew Gauthier
    Commented Feb 12, 2018 at 1:12
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    What purpose do the 2x6 boards serve? Why not go right into the joists? Also, if you are trying to raise the bag you could mount boards inside the joists or even consider mounting to the sub-floor (but I'm not clear from this picture what you have for sub-floor).
    – Stanwood
    Commented Feb 12, 2018 at 4:17

2 Answers 2

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I read some of the comments here and tend to agree with several points raised.

  1. The 2x6 pieces should be 100% tight and snug to the bottoms of the joists above. It looks like you tried to screw them into place without a clearance hole in the 2x6 which is what could lead to the type of fit shown. You should at least remove and reinstall them correctly.
  2. You could do better than the screws you used by using some lag bolts instead. These will need a washer under the lag bolt head, a clearance sized hole through the 2x6s and a pilot sized hole in the joists. The clearance hole allows the lag bolt to pass through the 2x6. The pilot hole is the inner diameter of the lag bolt threaded region. I suggest 5/6 x 3.5" sized bolts. The bolts and washers would look like shown below.

enter image description here

  1. You need to secure the chain to spring connection better. As it is now the chain could jump off the spring hook under robust usage of the punching bag. A better way would be to use a short bolt two washers and a nut to fasten the chain link to the spring hook. I suggest using at least a 5/16" diameter bolt if not even a 3/8" size. It may be necessary to spread the chain link to get the bolt through.

enter image description here

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  • Thank you, The 2x6 lumber that I got was not level. I may need to get new lumber. I'm kind of new to this, never ever thought that lumber from store would not be level.
    – Viv
    Commented Feb 12, 2018 at 2:06
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You've done the right thing by spreading the load across 3 joists. They need to be tightened, so flush with the joists.

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  • I think you mean "tight to the joists". Flush means something else. At any rate, this seems more like a comment (on a very old question) than an answer.
    – isherwood
    Commented Mar 26, 2020 at 14:43

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