D D DIYnotBot 12 Sep 2012 This image is referenced in the forum thread 'Help to size framing for flat roof extension. Beam calcs'
This image is referenced in the forum thread 'Help to size framing for flat roof extension. Beam calcs'
D D DIYnotBot 16 Aug 2013 This image is referenced in the forum thread 'Floor Joist - Wall on one size only. Support options?'