wall showing through the roof

[SH_Canada]

I have a double stud wall building, with two sides at 12:12 and 2 sides at 5:12, hip roof.

 

I get the look below on the 12:12. sides. If I change all four sides to 5:12, I do not get this problem. The only way I can fix it is to delete the attic walls (and it took me a good hour or so just to determine it was an attic wall causing this).

 

 

 

I thought it was my 12" heel on the 5:12 side causing this, but I took that down to 0 and still has the same problem.

 

Seems to only be a problem with a double wall,  a normal 2x6 wall works fine

 

Does anyone know if I am not setting something up correctly? The chief video I looked at on double walls not not seem to show this scenario. And I do not see anything on the user form specifically for this (lots of other issues with double walls)

 

One other odd thing Is the height at 110-5/8s, but I put that to a normal 9' and no difference (As I would not expect that to matter). Other than that it is a vanilla structure

 

Thanks

test doublewall.plan

[SH_Canada]

it also does not matter if I put the inside stud wall on the main layer or the interior layer (which is the attached .plan)

[SH_Canada]

no, CA just put it there

 

even if I check "stop at ceiling above" it still has same problem

[SH_Canada]

below is how the 5:12 section looks (when I changed the one side 12:!2 to 5:12)

[SH_Canada]

doesnt do it at 8:12. It's almost like there is a "if top of wall to roof difference is greater than x, draw attic wall

[SH_Canada]

so if I leave at 8:12 and add a offset for above plate as 12" it shows up

[SH_Canada]

if I set the offset above plate to 48", the 8:12 does it but the 5:12 does not:

[SH_Canada]

just in case there is something different bewtten the two walls, I reversed the pitches. same problem on the left now

[SH_Canada]

the problem happens for pitches 6:12 and higher with offset of 48". 5:12 and lower , no issues

[SH_Canada]

for offset of 0, it happens for pitches 11:12 and higher

 

[SH_Canada]

me thinks there is a:

"take difference between roof and top plate and take pitch, do some magic formula" 

[SH_Canada]

delete surface, thats a good tip thanks. One of the reasons it took me an hour is because I had trusses in my real plan so I thought maybe that was the problem, and then I thought I was doing the trusses wrong, and then I thought it was the offset, and then the double wall (thought maybe I did it wrong there) .... I think I finally clued in when I clicked on it in the cross section and it told me. But that didnt really help solving the reason why it was there, only that I then knew how to get rid of it. In other words I was assuming I was doing something incorrectly

 

interesting what it built:

 

 

 

 

 

[SH_Canada]

and the other reason it took so long, is I read through about 15 or so logged topics and watched 2 videos on double walls