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Old 08-31-2010, 12:06 PM   #1
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Main Beam Question for Cantilevered Deck


Hello, I am building a Cantilevered Deck. I have a question about the main beam. My deck is 20 feet long, but the longest wood that the hardware store had was 14 feet(which does not cover the length of the beam). Therefore, I am wondering if it is possible (and safe) to attach the 2x10s head on and if so, what areas should i put the beams head on. I know they have that flat piece of metal with the like 80 nails which goes into it which is 'supposed' to hold them together when putting them head on, but I am wondering hwo strong that will make it.

or is is possible to attach 4 lag bolts to one of the 4x4 posts and attach the segments of the beam there?

Thanks a ton,
Justin


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Old 08-31-2010, 12:41 PM   #2
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Main Beam Question for Cantilevered Deck


You can splice a built-up beam with the ends over a bearing post to get the required length. Consult your local building Department for a permit to be safe and continued coverage by your H.O.Insurance carrier for liability with a paper trail.

The basic safety Code for decks: http://www.lancova.com/deckinfo.pdf

Gary

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Old 08-31-2010, 01:11 PM   #3
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Main Beam Question for Cantilevered Deck


Thanks for your reply gary


should 4 x 1/2" lag bolts be used for the post connecting the main beam?
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Old 08-31-2010, 07:39 PM   #4
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Main Beam Question for Cantilevered Deck


It's all in the Deck Code, through bolts.

Gary
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