Our system carries a limited lifetime warranty that is based on the life of the building or structure, it is fully transferable whether you are involved in the construction or are the 3rd-5th owner you are under warranty as long as the system is installed as per our instructions. You will carry no liability for leaks in the pan area that infiltrate your buildings wall assembly. Such leaks can be responsible for mold and rot causing structural damages forcing additional costs on the homeowner for future upkeep.