@rich o brien said:

Looks like your pushpulling the face incorrectly. Rewatch the video and pay attention to how the person extrudes the roof profile.

Enjoy your new journey

I was deleting the line below the roof. Thank You!

Hello, I just started with SketchUp and this is my first question.

Why my roof is not staying in place? I am doing everything the same as in the video I am watching!