changing decking direction

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Old 05-23-11, 07:12 AM
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changing decking direction

I am replacing the decking. If I wanted to change the direction on a portion is that possible?
 
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Old 05-23-11, 10:09 AM
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Certainly you can change the direction of the decking. You simply need to change the direction of the framing that supports it. Change the direction of the beams, so that you can change the direction of the joists, then you can change the direction of the decking. You may have to add some additional footings to support the new beams.
 
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Old 05-23-11, 02:15 PM
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can I go 45 deg w/o adding joists? currently 16"oc
 
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Old 05-23-11, 04:09 PM
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That shouldn't be a problem.
 
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Old 05-23-11, 04:33 PM
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Depends what decking you're using. Some composites work best with 12" oc.
 
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Old 05-23-11, 06:18 PM
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Like XSleeper said, it depends on what you are using for decking.

Most composites will only span 16". That's based on the boards being perpendicular to the joists. As soon as you run the boards diagonally, you've increased the span of the deck boards. A few composites, as well as 2X6 wood can span 24". Running that diagonally on 16" centers is fine. (The deck board ends up spanning just under 24".) You measure one edge of the deck board from joist to joist to see how far the deck board is spanning, and if you are running them diagonally, you are increasing the span.

If your decking will only span 16" (most composites and 5/4 wood), then you would need to add an additional joist between your existing in order to run the decking diagonally. Certainly a lot less expensive than reframing the deck to change the direction of the decking!!
 
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