Seaboard® Cellular HDPE Sheet
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  • Outdoor cabinetry and furniture
  • Recess hatches and bait well covers
  • Upholstery substrate
  • Deck components and equipment mounts
  • Retail displays
  • Retail shelving
  • Decorative ceiling and wall paneling


  • Lightweight
  • Low moisture absorption
  • Easy to fabricate and machine

Common Brands:

  • Seaboard® LITE
  • Seaboard® Utility
  • StarLite® XL

Seaboard® Cellular HDPE Sheet

Shop for Seaboard® Cellular HDPE Sheet. Seaboard® LITE and Seaboard® Utility are closed cell (foamed) lightweight marine-grade HDPE sheets. Seaboard® cellular varieties are nearly 20% lighter than solid HDPE sheet and provide superior scratch resistance. Cellular HDPE makes for an excellent lightweight material alternative to decorative wood and metal applications. Seaboard® cellular HDPE sheet is FDA, USDA, and RoHS Complaint and is available in different formulations for specific application needs. Seaboard® LITE and Utility HDPE are 100% recyclable. 

Seaboard® LITE HDPE Sheet – A UV-stabilized marine-grade HDPE sheet, Seaboard® LITE is produced utilizing a co-extrusion technology that results in matte finished solid outer surfaces with a foamed core. It meets UL 94-HB compliance and is ideal for marine and non-marine outdoor cabinetry, furniture, hatches and covers, accessories, and components. White, seafoam, gray, and black* LITE HDPE are available in 54 by 96 inch sheets and thicknesses from 0.375 to 1 inch. 

Seaboard® Utility HDPE Sheet – This foamed HDPE is an economical lightweight grade for non-UV applications. It has a solid skinned surface and offers superior screw and staple retention. Top applications for this material include non exposed substrates like seat backs and bottoms, weight reduction components, and wood replacement. Polar white, gray, and black* sheet available in 48 by 96 inches and thicknesses from 0.354 to 1 inch. 

*Black varieties are not FDA or USDA compliant. 

Stocked materials typically ship in 2-5 business days. Custom colors and sizes are available upon request. Can’t find what you need? Get a quote.

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