https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129829#M13825 <DIV class="actalk-migrated-content"><T>How do you calculate the SF of a roof? New to estimating in archicad.</T></DIV> Thu, 07 May 2009 18:34:31 GMT Anonymous 2009-05-07T18:34:31Z https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129829#M13825 <DIV class="actalk-migrated-content"><T>How do you calculate the SF of a roof? New to estimating in archicad.</T></DIV> Thu, 07 May 2009 18:34:31 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129829#M13825 Anonymous 2009-05-07T18:34:31Z https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129830#M13826 do you mean surface area ? Thu, 28 May 2009 14:05:07 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129830#M13826 Steve Jepson 2009-05-28T14:05:07Z https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129831#M13827 do you mean surface area ? Thu, 28 May 2009 14:06:03 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129831#M13827 Steve Jepson 2009-05-28T14:06:03Z https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129832#M13828 <BLOCKQUOTE>Steve wrote:<BR />do you mean surface area ?</BLOCKQUOTE> Yes. I found a way to list out the properties of the roof, but I wasn't sure which one of the numbers to use. Surface top, surface bottom or surface edge? Also, what exactly is the "surface 3D" amount used for? Thu, 28 May 2009 14:35:57 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Calculating-SF-of-Roof/m-p/129832#M13828 Anonymous 2009-05-28T14:35:57Z