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Old 10-15-2009, 07:32 PM   #1
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Carports/roof 2x6 span


I have a carport roof that is 17ft wide & 20ft deep with 2x6 on 16inch centers the 2x6 beams are going the length of the 17ft span & the roof only has a 1ft pitch I know this is not enough pitch but it had to be done this way. There is 1/2 ply & then metal roof on that. Is 17ft to far for a 2x6 We get snow load but not often here in Seattle. I did double up some of the 2x6 with plywood then another 2x6 just like you would build a header.

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Old 10-15-2009, 08:00 PM   #2
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Carports/roof 2x6 span


Yes, a 2x6 is too small for that span....2x6 will span about 11'
You would need 2x10's for that span
With the low pitch if you get a wet snow you might be in trouble

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Old 10-15-2009, 08:47 PM   #3
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Carports/roof 2x6 span


What if I double up the 2x6 making them a 4x6
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Old 10-30-2009, 09:54 PM   #4
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Carports/roof 2x6 span


Most rafter span tables are now geared towards 2x materiel. It would appear that 4 x 6's might work especially at the 16" centers that you are using. However perhaps you could check with a "timber frame builder" in your area for the spans that a 4x6 can safely be used on. Timber framing is a whole other world. Or your local building department on their thoughts
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Old 05-15-2014, 11:23 AM   #5
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Carports/roof 2x6 span


I am building a lean to that has a 1/12 pitch and spans 12' wide by 22' long. I am in the northern climate with lots of snow. Can I use 2x6 , 16" on center as a roof structure or do I need 2x8's.

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