Hypalon has a lifespan of approximately 20-40 years depending on use, is resistant to most solvents, acids & UV light. Hypalon also remains flexible in use at low temperatures. Repairing Hypalon is like repairing a bicycle tire, with proper and professional treatment it will not puncture again after repair. PVC ages within 5 years, is very stiff at low temperatures. The best-known brand of inflatable boats, which also supplies consumer & hobby boats made of PVC, experiences this problem very regularly in the form of loose bonding of the transom plates. The majority of these (Chinese) PVC boats are often children's toys, good for 5 years of use. Cheap to purchase and expensive in the long term