Is There A Way To Shelter the Rock Climbing Machine?

"spontaneousivy;c-16663444" wrote:
Unfortunately, the only way is to make the wall height the tallest, or have a designated 2 wall high area for your rock climbing machine - indoors.

Huh. The house is already a three story. Can't begin to conceive a fourth floor. It's a copy of the Wright Way House from Sims2. Unless, I make that empty tower higher … Has anybody tried it in a basement?