Beam & Rafter Sizes for Snow Country?
I know how to size joists and beams for decks (Span Tables) but I donÃ¢â‚¬â„¢t really know how to size rafters and their beams, especially for snow loads! (IÃ¢â‚¬â„¢m a SoCal boy, donÃ¢â‚¬â„¢t know nuttin about snow! 🙂
IÃ¢â‚¬â„¢d like to know if this structure will fly in Snow Country (Colarado)
Roof is a 6:12
The stock would be Clear Dry (19 %) western red cedar. The rafter span would be just under 6Ã¢â‚¬â„¢ (walls are 12Ã¢â‚¬â„¢ square), and IÃ¢â‚¬â„¢d like to use 2×6 rafters and 2×8 hips. The rafters would overhang 2Ã¢â‚¬â„¢8 (span of 2Ã¢â‚¬â„¢ 6.5Ã¢â‚¬).
The beams would be made up from 2, full sized (2Ã¢â‚¬ nominal) 2x10s glued up together, after planning the beams would net out at 3.75Ã¢â‚¬ x 9.75Ã¢â‚¬.
Think this will fly under a bunch of Snow?
Is there an Online Calculator that I can use, where I can choose all these parameters, including wood species (wr cedar) to find these beam and rafter sizes?
IÃ¢â‚¬â„¢ve included a nifty 3d PDF you can Rotate and Zoom on (You use those three Tools top left) if you have the Adobe Reader Version 7.0.7 or newer, or Adobe Acrobat http://www.adobe.com/products/acrobat/readstep2.html
appreciate any advice!
Edited 10/17/2006 8:00 pm by JoeWood