Herculiner Truck Bed Liner is the Original DIY roll-on bed liner kit. Herculiner can be used on wide range of projects including; truck bed liners, trailer flooring, trim, undercoating, car paint, boats and more. It adheres to a wide variety of surfaces including concrete, plastic, rubber, metal, wood, and fiberglass. Herculiner sets in 1-4 hours and cures to a black color in 10-12 hours. The 1 Gallon Kit provides enough protection to cover an entire 6 foot truck bed.