Gap between top of 1st floor walls and attic floor. Bay Window problem?

[David J. Potter]

This partially caused by not thoroughly setting ALL default settings before starting to create a model (eveyone and I mean everyone does this when learning, not a biggy but is important to correct).

In "Edit - Default Settings - Materials" you set general material settings for "exterior walls and roofs" for instance, if you then do not change them to match the materials settings of the wall types you are using then the manually created walls show their default wall type but the auto-generated attic walls that the software automatically creates as you draw do not match, material-wise as in your posted images.

The moral is that the software will ONLY follow its default settings no matter what they are so it is important for you to make sure they match what you are doing.

The mismatch can be manually corrected of course, a wall at a time, the auto-generated attic walls can be manually aligned and their materials corrected from the "A" or attic level.

You mentioned that you have "spent hours" learning the software (you are preaching to the choir there, I have spent thousands of hours over twenty years and I am still learning). It is that complicated and sophisticated, not to mention FUN.

DJP