King StarBoard® is the original marine-grade high-density polyethylene (HDPE) sheet and a leading brand in the marine industry. Made through the advanced K-Stran™ process, it offers superior flatness, consistency, and durability. Environmentally stabilized, it resists rust, delamination, and rot when exposed to UV, humidity, or water. Ideal for marine applications, it replaces wood, builds boat components, and requires no painting or refinishing. Easy to fabricate using standard woodworking tools.