Commercial fishing and shipping industries require the crew to live on the ship for weeks even months at a time. City Epoxy LLC. Products were developed in the 70′s for the military, to be used on coast guard and navy ships. Today that same product is being used in the galleries, passage ways, heads, berthing areas and showers on commercial fishing boats, commercial barge ships, pleasure boats, and luxury yachts. Epoxy flooring for ships must flex, City Epoxy LLC. products are designed to flex. Our underlayment system along with our epoxy flooring and sealer provide a durable, slip resistant, low maintenance floor that has proven it works over time, that’s why they still use it.