» What size lumber would I use to span 20 ft. on a shed roof 2/12 slope & metal roofing material? http://www.allroofingmaterials.com Thu, 08 Sep 2011 06:41:24 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 What size lumber would I use to span 20 ft. on a shed roof 2/12 slope & metal roofing material? http://www.allroofingmaterials.com/roofing-materials/what-size-lumber-would-i-use-to-span-20-ft-on-a-shed-roof-212-slope-metal-roofing-material/ http://www.allroofingmaterials.com/roofing-materials/what-size-lumber-would-i-use-to-span-20-ft-on-a-shed-roof-212-slope-metal-roofing-material/#comments Tue, 17 Nov 2009 09:36:57 +0000 admin http://allroofingmaterials.com/roofing-materials/what-size-lumber-would-i-use-to-span-20-ft-on-a-shed-roof-212-slope-metal-roofing-material http://www.allroofingmaterials.com/roofing-materials/what-size-lumber-would-i-use-to-span-20-ft-on-a-shed-roof-212-slope-metal-roofing-material/feed/ 3