In the mid 1980's came the formulation of Polyurea, a two component 100% solids semi instant cure elastomeric...
Polyurea found a niche market in the Spray on Bedliner market for Pick Up Trucks. The reason the popularity grew was once fully prepared the Polyurea spray became a part of the truck bed itself and was a waterproof barrier to prevent rusting of the Truck bed and rails as it was a vapor barrier that prevented both water and salts from rusting the truck Bed.