How do I get up the roof?

Hint 1 of 5:

It's too slippery, huh?

Hint 2 of 5:

Wearing something to provide traction would help.

Hint 3 of 5:

Better shoes would fill that above requirement.

Hint 4 of 5:

You saw some boots on the way to the Brown Building, right?

Hint 5 of 5:

Put them on.