The Coosa Board Advantage

composite board

Over 20 years of Innovative Solutions

For over two decades, Coosa Composites has been at the forefront of delivering innovative composite board solutions to a diverse range of industries. Our journey began with a mission to revolutionize the marine industry by providing lightweight, no-rot, and exceptionally strong alternatives to traditional wood. Today, our composite board solutions are trusted and valued by customers worldwide, spanning marine, construction, transportation, and more.




Coosa Composite Boards Offer Many Advantages

In addition to these advantages, Coosa panels improve several long-run factors in the industries we serve.

  • Virtually no water absorption

  • Superior resiliency and endurance

  • Low resin absorption

  • Can be machined using standard wood working tools

  • Will not deteriorate around fasteners due to moisture condensation

  • Dimensionally stable

  • Will not rot

  • Not susceptible to mold, algae or fungus

  • Can be laminated, painted or spray-coated with a multitude of materials

  • Can be attached to other materials using screws, staples, adhesives, and resins

  • Not susceptible to insect infestation

  • Possesses 2 to 3 times the insulating (R-value) of plywood

  • Excellent bonding characteristics

  • Sanded to enhance lamination

  • No special maintenance required

Panel Comparison

A general comparison of 4′ x 8′ x 3/4″ composite panels.

Coosa Composites Marine Grade Plywood Engineered OSB Plastic Honeycomb
Weight Bluewater 20 - 40 lbs.
Bluewater 26-53 lbs.
Approx. 70 lbs. Approx. 78 lbs. Usually less than plywood but depends on construction
Water Absorbtion Virtually None
(Less than 1% avg.)
Yes Yes No, but water can get trapped in the honeycomb
R-Value 2-3 times the R-value of plywood Less than half of Coosa Less than half of Coosa Depends greatly on the construction of the panel
Dimensionally Stable Yes No No Usually
Susceptible to Rot & Mold No Yes Yes No
Vulnerable to Delamination No Yes Yes No