King StarBoard® is the original marine-grade high-density polyethylene (HDPE) building sheet and the industry-leading brand trusted by boat builders and marine professionals for over 30 years. This full sheet measures 54 inches x 96 inches x 1/2 inch thick in the popular Seafoam color, making it ideal for a wide range of marine fabrication and repair projects.
Manufactured using King Plastic's proprietary K-Stran™ process, every sheet delivers superior flatness, consistency, and precise tolerances for consistent color, thickness, and density throughout. The result is a professional-grade material that performs where other materials fail.
Key Features:
- Original marine-grade HDPE sheet — the industry standard for over 30 years
- Seafoam color with matte finish on both sides to conceal scuffs and scratches
- Will not rot, warp, delaminate, rust, or discolor when exposed to UV, humidity, saltwater, or moisture
- Environmentally stabilized to withstand the harshest marine and outdoor conditions
- Easy to fabricate with standard woodworking tools — drills, table saws, routers, and more
- Low-maintenance surface — easy to clean and never needs refinishing or repainting
- Produced via the proprietary K-Stran™ process for superior flatness and dimensional consistency
- Color is integrated throughout the polymer — will not fade or yellow over time
- Has passed Federal Motor Vehicle Standard 302 fire test
King StarBoard® is a direct, superior replacement for teak, wood laminates, and fiberglass in marine applications. Unlike wood, it will not splinter, swell, or absorb water, and unlike painted surfaces, it never requires recoating. This 1/2-inch thick Seafoam sheet is suited for console panels, hatch covers, tackle centers, seat bases, cabinetry, livewells, and countless other onboard fabrication applications.