COOSA Nautical 24


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COOSA Nautical 24: The Lightweight Champion of Fiberglass Composite Panels

Introducing the COOSA Nautical 24, the industry's gold standard for lightweight, high-strength fiberglass composite panels. Whether you're building a boat, RV, bus, or any other structure that demands both durability and minimal weight, the Nautical 24 is the perfect solution.

COOSA Nautical 24 utilizes continuous strand fiberglass reinforcement embedded in a closed-cell polyurethane foam matrix, creating an unmatched strength-to-weight ratio. Unlike traditional plywood, it won't rot, warp, or delaminate, even in harsh marine environments.

Key Features

  • Unmatched Strength-to-Weight Ratio: At 24 lbs/ft³, the Nautical 24 is 37% lighter than plywood yet delivers superior strength and rigidity.
  • Rot & Mold Resistant: The closed-cell polyurethane foam core and fiberglass exterior prevent moisture intrusion and mold growth, ensuring long-lasting performance.
  • Dimensional Stability: Unlike wood, the Nautical 24 won't warp, crack, or swell in response to temperature and humidity changes.
  • Versatile Applications: From boat decks and cabin walls to RV walls and floors, the Nautical 24's versatility makes it ideal for a wide range of projects.
  • Customizable Options: Available in various thicknesses and with optional gelcoat finishes, the Nautical 24 can be tailored to your specific needs.

Technical Specifications

  • Density: 24 lbs/ft³
  • Standard Thicknesses: 1/4", 3/8", 1/2", 3/4", 1"
  • Width: Up to 60 inches
  • Length: Up to 48 feet
  • Material: Fiberglass reinforced closed-cell polyurethane foam


The COOSA Nautical 24 is a game-changer for various industries, including:

  • Marine: Boat decks, cabin walls, floors, bulkheads, transoms
  • RV/Bus: Walls, floors, slide-outs, furniture
  • Transport: Truck bodies, trailer panels
  • Construction: Exterior cladding, flooring, countertops
  • Industrial: Jigs, fixtures, tanks, enclosures
Why Choose Total Plastics for Your COOSA Nautical 24 Needs?

At Total Plastics, we're proud to be a leading distributor of COOSA composite panels. We offer a wide selection of Nautical 24 panels in various thicknesses and lengths, along with expert advice and exceptional customer service. 

Our Resource section answers common questions about COOSA Nautical 24 and composite panels, including installation tips, maintenance recommendations, and comparisons with other materials. Learn More Now!