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Brian Ward 07-26-2007 11:48 AM

Deck support beam has twisted
Located in Southern California. Doug Fir used on support frame. Project finished in December of 2006. Frame painted after completion.

I have a new 2nd story deck that is 24 x 10. The joists are 6x4's and are attached to a ledger board with joist hangers. They rest on the support beam which is 6x8. There are 3 6x6 support posts. One of the beams has twisted at the end to create a gap you can get the tip of your little finger under between the top of the post and the cap.The gap faces outward away from the deck .Through bolts were used to secure the post to the beam. The post has not split at the bolt sites. The post is slighlty off center now. The deck boards are Mangaris. The twisting seems to have subsided. The deck is very stable at this time. Do you have any suggestions for increasing the strength/integrity of the compromised joint?

Highest regards, Brian Ward

warnerww 07-26-2007 01:45 PM

Could you post a picture of how the post and beam are connected now. It sounds like you could put a steel plate on each side of the post but you said they are through bolted already so I am not sure if you already have steel plates installed.

Brian Ward 07-27-2007 08:06 AM

Beam Pics
3 Attachment(s)
Beam Pics

warnerww 07-27-2007 09:19 AM

Yep you already have the metal plate. I have not found anything you can really do at this point. You could beef up the bracket it it makes you feel better however I do not think you have a major problem. It does not look as clean and neat but It is not going anywhere with that bracket on there. Wood is wood and the stuff will twist.

Clutchcargo 07-27-2007 10:57 AM

63 Attachment(s)
Something moved. How is the deck attached to the house? Is the post still plumb? This could be a warning sign.

clasact 07-27-2007 11:03 AM

if the rest of the deck is still sound how about putting up some temp supports and unbolting the post and replacing it.It looks from the photo like it may be splitting under the plate,cant tell for sure from the pic. and mind you this is just a suggestion if the rest of it is still solid.It maybe that the wood just twisted or something may have moved to put undo stress on it

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