now imagine you are parked in the open, in Georgia, IN Late July or early August, temps well into the triple digits, NOT a could in the sky.
That 2nd roof is going to keep the sun off the primary roof, it will make the air conditioner work better, it will keep the RV cooler and more comfortable, What it will not do (Since in this scenario you are pouring water on the roof by the gallon from the AC drip spout) is stop leaks.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times