Replacement Roof Membrane for RV Roof. This Falls under Common Maintenance. RV Rubber Roof Membranes are a 'Sacrificial' Component, Most Roof Membranes are Designed to Last 20 Years with Proper Maintenance. Usually, the roof will only Last 10 years with minimal maintenance, or will leak within a few years with no Maintenance. This is the most common reason for a Total Loss of an RV outside of a collision. Dicor is the Major Roof Material Manufacturer. They provide a great explanation of what is involved in RV Roof Maintenance. Common Roof Replacement Value with No Other Water Damage is approximately $5,000.00. Companies have started selling a do-it-yourself roll on rubber roof replacement/repair kits - this is also a No Value Common Maintenance Related Issue.
Dicor Roof FAQ:http://dicorproducts.com/faq/