I own a 98 Monaco that the outer skin has separated from the other layers due to water leaking. How can it be repared and who can do it? The rear 15 ft on each side and front 5 feet on the drivers side are pulling apart and are puckered {bowing out}. We named this new to us RV "ISSUES" It is the best driving rv I have ever been in and we love the Coach bit it needs fixing. Thank You!!!!