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Old 07-24-2010, 04:08 PM   #1
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hi im looking to add dormers on both sides of my house that was built in the 40's and its balloon framed now was wondering if i should used 2x6 or 2x8 rafters please help

hi i have a 40's home that is balloon framed now im adding full dormers the rafters on the house are the real 2x6's now was wondering if i should frame the new dormer roof with 2x6 or 2x8 studsthe house is 25 by 35 feet someone please help dont want to overkill nor cheap out. thanks

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Old 07-24-2010, 04:32 PM   #2
Join Date: Mar 2007
Location: Long Island, NY
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Your 2 concerns will be structure and insulation. The difference in the 2x6's, structure wise, is insignificant, old from new. Insulation wise, you can use a variety of products to optimize the value in a 2x6.
What did the architect spec out?

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Old 07-25-2010, 08:34 PM   #3
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hi i didnt have an archictect but i work for a lumber yard and ask contractors alot of questrions andi get feedback on both sizes so i figured id go to a 3rd party. i am not concerned much about the insolation im concerned about structure. there's alot of new stuff out there for insolation.
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