Issue Description
In the 3D views and sectional drawings, the junction between the flat and sloped roofs is incorrect, with the material layers misaligned.
Solution
1. Make a gap between the two roofs.
2. Select and highlight one of the roof planes. Left-click on the edge to open the Pet Palette.
3. Select the Custom Edge icon to open the settings, for the angle option select Custom then click OK. Do this for both roof edges. (you only have to do this on the edges that will connect)
4. Use the Shift Click > Ctrl Click to join the roofs together.
5. Now the junction should be cut at the correct angle.