The Nautical product is Coosa’s lightest fiberglass reinforced composite panel and an excellent replacement for plywood and other wood core composite panels due to its high strength to low weight ratio. Nautical 15 Composite Panel: Nautical 15 is Coosa’s highly economical, super lightweight glass-reinforced panel, typically used as a core or low-stress semi-structural component. It has a density of 15 pounds per cubic foot and it is 61% or more lighter than plywood. Information provided by Coosa Composites |