How to raise walls!

[Alessandroradice]

Hi to everyone, I started use this software a week ago and I found some problems:
- I did the walls high 2.90m (that is the real dimension of my house) but when I do a second floor the walls started from 2.70m high, so I have a part of the wall that collide with the lower floor. How can a do to raise the walls of the second floor at 2.90m?
Thank you very much! [:)]

[hansmex]

Alessandro,

Double-click the tab of the second level.
Study the data and change the elevation.

Hans