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Iron Link Distributors

Coosa Bluewater 26 Composite Board

Coosa Bluewater 26 Composite Board

Regular price $751.77 AUD
Regular price Sale price $751.77 AUD
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Maximum Structural Strength

Bluewater 26 offers increased density and structural performance for highly loaded marine and industrial applications requiring maximum stiffness and durability.

Closed Cell Composite Core

The polyurethane composite core resists water absorption, rot and swelling, providing long term durability in wet or harsh environments.

Fibreglass Reinforced Panel

Continuous strand fibreglass reinforcement provides exceptional strength, impact resistance and dimensional stability compared with timber panels.

Ideal for CNC Machining

Panels machine cleanly using standard woodworking tools or CNC equipment, making them ideal for precision fabricated marine and structural components.

Common Applications

  • Boat transoms
  • Deck panels
  • Structural bulkheads
  • Cabinetry panels
  • Transport flooring
  • Custom CNC composite parts

Technical Specifications

Sheet Size
1220 mm × 2440 mm
Density
26 lb/ft³ (≈416 kg/m³)
Compressive Strength
≈1000 psi (≈6.9 MPa)
Shear Strength
≈500 psi (≈3.4 MPa)
Flexural Strength
≈4500 psi (≈31 MPa)
Water Absorption
≤1.5%
Thickness Range
Common panel thicknesses include 19 mm and 25.4 mm.

Compare Coosa Board Options

Feature Bluewater 20 Bluewater 26
Density Approx. 20 lb/ft³ Approx. 26 lb/ft³
Weight Lighter option Heavier, higher density
Structural performance Strong lightweight structural panel Higher strength and rigidity for demanding applications
Best suited for General marine construction, panels, cabinetry, deck cores Transoms, highly loaded structures, premium marine and industrial parts
Water resistance Excellent Excellent
Rot resistance Yes Yes
CNC machinable Yes Yes
Typical choice When low weight is a priority When higher strength and stiffness are required

Bluewater 20 is generally chosen where reduced weight matters, while Bluewater 26 is better suited to applications requiring increased density, stiffness and load carrying performance.

Feature Coosa Board Marine Plywood
Rot resistance Yes No
Water absorption Very low Higher
Weight Significantly lighter Heavier
Mold resistance Yes No
Dimensional stability Excellent Can warp or swell
Core material Closed cell polyurethane reinforced with fibreglass Timber veneer construction
Suitability for wet environments Excellent More vulnerable over time
CNC machining Suitable Suitable

Coosa Board is commonly selected as a marine plywood alternative where reduced weight, moisture resistance and long term durability are important.

Need CNC Cut Coosa Panels?

Iron Link Distributors offers precision CNC machining for Coosa Bluewater composite boards. Send us your drawings, templates or CAD files and we can produce custom structural panels, inserts and composite components ready for installation.

  • Custom pre-cut structural parts and inserts
  • CNC nested panel kits for faster installation
  • DXF, DWG and PDF file formats accepted
  • Quote based service for one-off or batch production

Perfect For

Boat transoms, deck panels, bulkheads, cabinetry components, seating structures, reinforcement plates and other marine or composite structural parts requiring precise cutting and repeatable accuracy.

Coosa Bluewater 26 is used in structural marine applications such as boat transoms, stringers, bulkheads and deck cores where high stiffness and strength are required.
Bluewater 26 has a higher density and greater structural strength than Bluewater 20, making it more suitable for heavy duty structural components.
No. Bluewater 26 is manufactured from closed cell polyurethane foam reinforced with fibreglass which absorbs very little moisture and will not rot.
Yes. Coosa composite boards can be machined using standard woodworking tools or CNC equipment for precision fabrication.