Hello, I am looking at buying a new PUP. I looked at a 1999 Jayco Heritage Manistee with an ABS Roof. It had A/C but there were no braces. I am also looking at a 2001 Eagle 12 SO without A/C and a Filon Roof, there are no Braces. Does the Eagle 12 with the Filon Rood need braces?