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Re: Valley Rafters

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I highly recommend that they be checked for stress and deflection in lieu of just using one size deeper than the wood rafters that it is supporting.  This is especially important if you have a heavy roofing material like tile or snow loads and or a long span valley rafter.
Hope this helps
Ray Shreenan  SE 
----- Original Message -----
From: Avicpeng
Sent: Friday, September 09, 2005 3:04 PM
Subject: Valley Rafters

And just to start ... does anyone design the valley rafter of a roof, or do you write it off as "standard framing"?  If not, why not?  If so, why?

Thor Tandy P.Eng MIStructE
Victoria, BC