Designed to replace older wooden seats in recreational and functional boats, Marine upholstery substrate is an ideal product choice due to its resistance to moisture absorption and decay, superior staple retention, and high performance results. Marine upholstery substrates are an extruded sheet plastic with added impact modifiers, easily machined design and fabricated to custom fit any desired application including seat bottoms and backs, bolster pads, leaning posts and helm seats.

The King StarBoard® line is the superior marine building board used in the creation of marine upholstery substrates. Made with environmentally friendly products, Aqua-Plas® I Ultra is easily machined and formed for every custom application. A lightweight design with a rigid construction pattern makes this product ideal for the harsh marine environment.

Piedmont Plastics, the premier supplier of substrates to the marine industry, has a convenient distribution location near you. Our dedicated team of specialists work with customers and suppliers to ensure the best products available are developed to exceed the expectations of today's marine consumer. Let one of our experienced team members help you select the best product for your application.