The Model 8500 comes with a Lifetime Limited Warranty.
Wayne-Dalton warrants the 8500 insulated garage door for as long as you own the door from the time of installation against structural failure (rendering the door inoperable) of the door sections due to separation/ degradation of foam insulation. Wayne-Dalton warrants the steel skin of the 8500 insulated garage door for as long as you own the door against deterioration such as cracking or splitting due to rust-through. Other items apply.