jpdesign Posted April 1, 2019 Share Posted April 1, 2019 Hello, Normally, a roof plan is drawn from baseline, usually the top plate height, to ridge. Is there a way to draw from ridge and to find the baseline height? Actually I'm trying to draw roof plans for this house. The roof slope for main house is 4:12. The porch has 2.5:12 slope. Both roof plans meet at exterior wall. I use exterior wall height as the baseline to draw the roof plan for the main house, and then don't know how to draw a roof plan for porch so that the both roof plans meets on top of exterior wall and have same height. Your advice is very appreciated. Josh Link to comment Share on other sites More sharing options...
HumbleChief Posted April 1, 2019 Share Posted April 1, 2019 43 minutes ago, jpdesign said: Hello, Normally, a roof plan is drawn from baseline, usually the top plate height, to ridge. Is there a way to draw from ridge and to find the baseline height? Actually I'm trying to draw roof plans for this house. The roof slope for main house is 4:12. The porch has 2.5:12 slope. Both roof plans meet at exterior wall. I use exterior wall height as the baseline to draw the roof plan for the main house, and then don't know how to draw a roof plan for porch so that the both roof plans meets on top of exterior wall and have same height. Your advice is very appreciated. Josh It sounds like the fascia height of the main roof @ 5:12, after it's pulled back to the exterior wall and the ridge height of the porch roof (locked at 2.5:12) would be the same height. Those heights can be set in each roof's dbx. Or if you want the ridge of the porch to join the fascia of the main roof, just set those two heights the same, locking each pitch as you do so. Oh and you can draw the porch roof anywhere you want, just set the correct heights. EDIT: Set the porch ridge height 1/2" lower than the main roof's fascia height, probably good reason for this but play around with those dbx's and you'll learn a bunch about Chief's roofs. Link to comment Share on other sites More sharing options...
builtright3 Posted April 2, 2019 Share Posted April 2, 2019 Not sure if this is what you are looking for but I like to run the roof in both directions off the same plate line and just put in a negative number to get my porch roof right from the exterior wall. Link to comment Share on other sites More sharing options...
builtright3 Posted April 2, 2019 Share Posted April 2, 2019 Framing comes out right also this way Link to comment Share on other sites More sharing options...
HumbleChief Posted April 2, 2019 Share Posted April 2, 2019 Never tried a negative number Joe - nice. Link to comment Share on other sites More sharing options...
jpdesign Posted April 2, 2019 Author Share Posted April 2, 2019 2 hours ago, HumbleChief said: It sounds like the fascia height of the main roof @ 5:12, after it's pulled back to the exterior wall and the ridge height of the porch roof (locked at 2.5:12) would be the same height. Those heights can be set in each roof's dbx. Or if you want the ridge of the porch to join the fascia of the main roof, just set those two heights the same, locking each pitch as you do so. Oh and you can draw the porch roof anywhere you want, just set the correct heights. EDIT: Set the porch ridge height 1/2" lower than the main roof's fascia height, probably good reason for this but play around with those dbx's and you'll learn a bunch about Chief's roofs. Hi HumbleChief, Thank you so much. I made it! but it leads to my next question. What setting would remove the gap as depicted with red line? Josh Link to comment Share on other sites More sharing options...
Kbird1 Posted April 2, 2019 Share Posted April 2, 2019 3 minutes ago, jpdesign said: Hi HumbleChief, Thank you so much. I made it! but it leads to my next question. What setting would remove the gap as depicted with red line? Josh It looks like you framed the Porch with 2x10 instead of 2x6 rafters ? the notch is the soffit cutout.... Link to comment Share on other sites More sharing options...
HumbleChief Posted April 2, 2019 Share Posted April 2, 2019 4 minutes ago, jpdesign said: Hi HumbleChief, Thank you so much. I made it! but it leads to my next question. What setting would remove the gap as depicted with red line? Josh Is there a ceiling on that porch? Does the line move if you raise the ceiling? Link to comment Share on other sites More sharing options...
builtright3 Posted April 2, 2019 Share Posted April 2, 2019 16 minutes ago, jpdesign said: Hi HumbleChief, Thank you so much. I made it! but it leads to my next question. What setting would remove the gap as depicted with red line? Josh I think Mick is right on the rafter size. If you build framing you can see what needs to be done more clearly. No one can give you a definite answer unless we have your plan file. Its easier to help you when you can send your plan file. Link to comment Share on other sites More sharing options...
jpdesign Posted April 5, 2019 Author Share Posted April 5, 2019 Thank you all. The problem is resolved by making change the size of rafter. Josh Link to comment Share on other sites More sharing options...
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