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Old 04-15-2012, 05:45 PM   #1
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beef up swingset beam?


Hi,
If I had a swingset beam that was a 4x6 at a 12 ft. span..with the swing hardware through this beam and then sistered two 2x8's on either side (forming a "U" ) would this help the beam from bending when several kids are swinging at the same time?

I would connect them with several lag bolts, amd maybe some SS screws.

If I sistered just one 2x8 would that help the same amount since the twist wouldnt be as much as an issue as the vertical dimension.
in other words....is a 2x8 stronger for a beam than a 4x6 for a span?

Of course the swinging creates a twist so that is why I see 4x6s mostly.


Thoughts?

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Old 04-15-2012, 06:13 PM   #2
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beef up swingset beam?


2, 2 X 8's would be stonger then one 4 X 6.
Use through bolts not lags.

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Old 04-15-2012, 08:05 PM   #3
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beef up swingset beam?


father-in-law and i built a playset for the kids last year. i believe our swing span was only 10' but we used two 2x8, through-bolted. both kids can be on it at once, no problem. even the wife and i can be on there at the same time. flexes a little then but nothing major.

what are you doing for swing hardware? avoid the cheap 'eye hook' swing hangers and go with more of a commercial-grade connection. so much better. below is from menards but you can get similar at most big-box stores.

http://www.menards.com/main/outdoor/...278-c-9593.htm
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Old 04-16-2012, 02:52 PM   #4
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beef up swingset beam?


Here is a linkto a swingset with a large swingbeam, can anyone tell me is this PT or Cedar or something else? The poster never mentioned what it was that I could see.

Thanks!

http://www.dslreports.com/forum/r244...gset~start=20?
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