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King Plastic KSBBLAKMM.50024.054.00 King StarBoard 1/2in x 24in x 54in Black HDPE Marine Sheet

Manufacturer

King Plastic

<h3>About King Plastic Corporation</h3><p><strong>King Plastic Corporation</strong> has been a cornerstone of American polymer manufacturing since its founding in 1968. What began as a small family enterprise has grown into one of the most recognized names in high-density polyethylene (HDPE) sheet production — a company whose innovation has shaped entire industries. Today, King Plastic stands as a leading manufacturer of quality polymer sheets, slabs, and massive shapes, partnering with distributors worldwide to serve fabricators across a remarkable range of markets.</p><p>The hallmark of King Plastic's legacy is the pioneering of the first marine-grade polymer sheet, <strong>King StarBoard®</strong> — a product that remains the dominant brand in the marine industry to this day. Since that breakthrough, King Plastic has continued to develop dozens of innovative materials for industries including food service, healthcare, construction, signage, cabinetry, playgrounds, and more. With over 20 product brands in their lineup, there is a King Plastic solution for nearly every fabrication challenge imaginable.</p><h3>Why King Plastic Stands Apart</h3><p>At the core of every King Plastic product is a commitment to rigorous quality control. The company's proprietary <strong>K-Stran™</strong> manufacturing process delivers superior flatness and consistency across sheet gauges — a level of precision that sets their materials apart from commodity alternatives. Products are manufactured to tight tolerances, ensuring consistent color, thickness, and density, even for custom specifications.</p><p>King Plastic's HDPE sheets are environmentally stabilized to withstand the harshest outdoor conditions — they will not rust, delaminate, rot, or splinter when exposed to UV, humidity, or water. Many products are made from FDA and USDA approved materials, making them suitable for food-contact applications. The polymer sheets also work like wood: they can be cut, routed, bent, welded, and CNC-machined using standard woodworking tools and techniques, making them a natural choice for fabricators looking to replace traditional wood with a longer-lasting alternative.</p><h3>King Plastic Product Categories</h3><p>Whether you need a durable <a href="/7416-king-plastic-lumberpolymer-200644">polymer lumber replacement</a> for marine or outdoor construction applications, or versatile <a href="/14716-wood-sheet-king-plastic-7416">polymer wood sheets</a> for cabinetry, signage, and architectural projects, King Plastic offers purpose-built materials engineered to outlast and outperform their traditional counterparts. Their broad catalog ensures that builders, fabricators, and designers can find exactly the right material for their specific application — backed by decades of proven performance.</p><p>All King Plastic products are manufactured in the United States and distributed through a global network of trusted plastics distributors, reflecting the company's enduring commitment to domestic manufacturing and world-class customer service.</p>

Part Number

KSBBLAKMM.50024.054.00
09/17/2036 1:40 AM
Sale Price

$305.36

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

King StarBoard® is the original marine-grade high-density polyethylene (HDPE) building sheet — the industry standard trusted by professional boat builders and marine fabricators for over thirty years. This sheet measures 1/2 inch thick x 24 inches x 54 inches in a classic Black finish, manufactured via King Plastic's proprietary K-Stran™ process for superior flatness, consistent thickness, and uniform density throughout.

Engineered to replace wood in demanding marine environments, King StarBoard® is fully resistant to rot, swelling, splintering, and delamination — even with prolonged exposure to UV, saltwater, and humidity. Unlike teak and traditional marine woods, it requires no painting, varnishing, or refinishing of any kind.

Key Features:

  • Marine-grade HDPE sheet — the original and leading brand in the industry
  • Proprietary K-Stran™ manufacturing process ensures superior flatness and consistency
  • Environmentally stabilized to withstand harsh UV, saltwater, and humidity
  • Will not rot, warp, swell, splinter, or delaminate
  • Durable matte finish on both sides hides scuffs and minor scratches
  • Never needs painting, varnishing, or refinishing
  • Easily fabricated with standard woodworking tools — saws, drills, routers
  • Edges finish cleanly; forms smoothly for curved applications
  • Made from FDA- and USDA-approved materials
  • Meets ASTM D4976; does not contain BPA or Phthalates
  • Shipped with protective masking on one side

Common applications include hatches, doors, tackle centers, leaning posts, storage units, platforms, rod holders, console components, deck trim, and virtually any marine structure where wood was traditionally used. King StarBoard® Black is a versatile, low-maintenance solution proven on thousands of boats and yachts worldwide.

Very good recieved order quick informed there was a small delay still recieved the part in a week

Tires were as advertised, quick delivery overall great experience

shipping was very fast packed well no problems

Had what I needed, quick and easy!

Got the part I needed pretty quick. Smooth transaction.

Hands down best price I could find on the parts I needed. Shipping was super fast as well.

great experience

It was exactly what we wanted. Excellent product.

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