Delmar Asphalt Plant's Hot Mix has been used is many DelDOT, MSHA and commercial projects throughout Wicomico County, MD., and Sussex County, DE.The Gencor Drum facility can make 300 tons of hot mix asphalt per hour and 480 tons of storage capacity. It is also able to supply Warm Mix.Delmar Asphalt Plant is a Maryland Certified Asphalt Plant and a ...