TommyJ Posted September 30, 2021 Share Posted September 30, 2021 I have a basic stick framed single-plane roof sitting on two different walls, one being a couple feet offset from the other. One set of rafters cuts the birdsmouth correctly, but the 2nd wall set doesn't. Any idea what could be wrong? I've tried both with automatic birdsmouth cuts on and off in the defaults. Link to comment Share on other sites More sharing options...
Chopsaw Posted September 30, 2021 Share Posted September 30, 2021 It looks to me like the wall is too low for a birdsmouth cut. Link to comment Share on other sites More sharing options...
TommyJ Posted September 30, 2021 Author Share Posted September 30, 2021 3 minutes ago, Chopsaw said: It looks to me like the wall is too low for a birdsmouth cut. The height is automatically generated on both walls. It's height is such that the rafter just touches it on the far wall. Link to comment Share on other sites More sharing options...
Chopsaw Posted September 30, 2021 Share Posted September 30, 2021 21 minutes ago, TommyJ said: The height is automatically generated on both walls. It's height is such that the rafter just touches it on the far wall. If you want a birdsmouth there you will need to increase the room height accordingly to create the birdsmouth. Or are you saying it is all the same room ? Link to comment Share on other sites More sharing options...
Chopsaw Posted September 30, 2021 Share Posted September 30, 2021 I am not so sure the program will do that automagically. You may need to manually adjust your framing in the wall detail. Notice that there is no edge line for the lower birdsmouth though. Link to comment Share on other sites More sharing options...
TommyJ Posted September 30, 2021 Author Share Posted September 30, 2021 7 hours ago, Chopsaw said: I am not so sure the program will do that automagically. You may need to manually adjust your framing in the wall detail. Notice that there is no edge line for the lower birdsmouth though. Yes, the same room. Ok, just making sure I wasn't doing something wrong. It's kind of disappointing that it doesn't do it automatically. I want to dimension the exact wall height correctly to assist in a relatively complex framing situation. Link to comment Share on other sites More sharing options...
TommyJ Posted September 30, 2021 Author Share Posted September 30, 2021 24 minutes ago, solver said: What's preventing you from doing so? I would have to calculate the required increase in the top of the wall plate for the proper birdsmouth and adjust the framing. Not a big deal, just its a manual thing that I could mess up, or forget to do. If I dimensioned the wall as it is, when they put the rafters on, it would misalign with the rest of the roof. Link to comment Share on other sites More sharing options...
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