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-   -   strong enough to hang heavy bag? (http://www.diychatroom.com/f19/strong-enough-hang-heavy-bag-170782/)

twiggyBD 02-01-2013 08:02 PM

strong enough to hang heavy bag?
 
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Hi, I'm looking to hang a heavy bag out on our deck here from the center beam in the attached picture, but my roommate thinks it'll be too much weight for the roof. Just wanted to post up on here and see what you guys think. If it's a no go, is there anything I can do to add support? Thanks for the time. Please, lemme know if you need more pics. I can get some close-ups if it'll help.

GBrackins 02-01-2013 11:00 PM

I doubt it ........ you don't provide the weight of the bag

plus I have enough concerns about the stability of the existing roof without adding additional weight. of course you could give it a try and see what happens ...... good luck

joecaption 02-02-2013 06:11 AM

I'm surprized the way that was built it's still standing without any added weight or added side loads.
Might want to check out a stand for the bag.

TheCamper 02-02-2013 06:23 AM

I have a heavy bag, 100 lbs., and so my concern would be not the structure supporting the weight of the bag but rather the structure being affected by the forces you will put on the bag. I believe everytime you kick the bag or give it a body blow the structure will move a bit. All of the those shocks could cause damage to the structure. You might want to have someone who is qualified to make a determination make a site visit.

twiggyBD 02-02-2013 01:20 PM

Thanks for the replies. Planned on getting a muay thai bag, they usually weigh about 120lbs, but yeah, definitely don't wanna just give it a try and see what happens.

The left side is resting on the roof of the house, so yeah, any sway on that center beam would be bad news I think. I'm pretty confident that the center beam can handle the weight, but like TheCamper says, it's all the other forces that we're concerned about. Supposed to be replacing this old deck with concrete soon. Maybe look into building somekinda stand afterwards.

Oh well, bummer. Again, thanks for the feedback. Guess for now I'll just go back to beatin the old lady:wink:

mikegp 02-04-2013 10:08 AM

Depends how hard you can kick.

twiggyBD 02-04-2013 11:38 AM

I kick pretty hard, but I'm only 160lbs so there's really only so much I can do on a bag that size. Thought I could weight down the bottom a bit to help with the swing if need be.

hand drive 02-04-2013 11:51 AM

if you ran a type of collar tie across the rafters where you want the bag and put up like a 4x8 ceiling with structural ply and hung the bag from the center of that with the bag tying into the lateral support of the ceiling somehow it might work. the concern seems to be how strong the tall post is out on the corner that is holding it all up and the post going into the roof. some type of diagonal brace at both ends of the beam will help but maybe not enough, check in the attic and look how the post is tied into everything up there as it could already be supported laterally as it sits now. chances are the post just sits atop of the roof though(with added blocking at least??)...

NewHomeDIYGuy 02-04-2013 12:34 PM

Is that a deck or just a covering for your patio? When you say you want to hang something from your deck, I think of a deck as something you stand on, not an awning or covering..? It looks like just an awning/roof for your patio, and I'd definitely be very concerned mounting a 120+lb bag from it, and more importantly the lateral forces from hitting the back and how the roof structure would handle it.. I'd think racking would be a real concern since it seems like the roof structure doesn't have anything bracing it laterally.

twiggyBD 02-05-2013 04:22 PM

Thanks for the replies-

hand drive, If I understand correctly a collar tie would take much of the weight off the main beam which is really the only thing up there that's very solid. The two side pieces (don't know what the correct terminology is for this) supporting the reed fencing are very feeble and the one on the left side is just resting on the roof of the house. The two vertical posts (supporting the center beam) go all the way to the ground though. The far post does go through the existing roof, but it continues on beneath the deck. My roommate's really adamant about not doing this tho. He's concerned it'll put too much stress on the roof of the house, so I think it's a no go until we get the cement down. Never really cared for the punching bag stands, but I guess it's better than nothing for the time being. Thanks for your time.

NewHomeDIYGuy, guess I could've worded things a little differently here. This' a covered deck (yes, the deck being the part we walk on). It's my understanding that a patio is usually, if not always, cement (please correct me if I'm wrong). The covering or awning (see photo) is what I had planned to hang the bag from. I said we wanted to hang it out on our deck, not from it. Otherwise the bag would be underneath the deck, which would be of very little use to us...

Mort 02-05-2013 05:53 PM

Huh, I guess I never realized that patios are normally paved, and decks are normally wood (or plastic, if you're a yuppy). I guess at work we pour patios all the time, but never decks.

bbo 02-05-2013 06:29 PM

Quote:

Originally Posted by Mort (Post 1110411)
Huh, I guess I never realized that patios are normally paved, and decks are normally wood (or plastic, if you're a yuppy). I guess at work we pour patios all the time, but never decks.

but do you really pour decks or place them?:laughing:

Mort 02-05-2013 06:43 PM

Quote:

Originally Posted by bbo (Post 1110433)
but do you really pour decks or place them?:laughing:

Ah, a concrete guy! I once had an inspector tell me, "You place concrete. If you pour it, it's too wet."

GBrackins 02-05-2013 09:17 PM

so true so true .....

mikegp 02-06-2013 07:08 AM

Can you post a pic of the sides of the roof? Is it tied into the house at the lower corner of each side as well as the center? I have a feeling you could do what you're planning with no issues. Tie a rope to it and swing around. See if it moves at all. I bet it doesn't. But safety first, so don't listen to me.


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