Marine Core Materials – Coosa, Divinycell & Aircell Foam

Marine Core Materials – Coosa, Divinycell & Aircell Foam Core

Fiberglass Florida stocks top-quality core materials for marine and structural composite applications. Whether you're rebuilding a transom, stringer, or deck, we offer Coosa Bluewater composite panels, Divinycell H-series foam, and lightweight Aircell PVC foam. These cores are strong, rot-resistant, and compatible with polyester, vinylester, and epoxy resin systems. Ideal for boats, RVs, campers, and custom fabrications.

What is Divinycell, and what are its primary applications?

Divinycell is a high-density PVC core material widely used in marine, wind energy, and aerospace applications due to its excellent strength-to-weight ratio and thermal insulation properties.

What’s the difference between Coosa Bluewater and Coosa Nautical?

Coosa Bluewater and Coosa Nautical are both high-performance composite core materials, but they differ in stiffness, resin compatibility, and primary marine applications — with Bluewater engineered for lightweight strength and Nautical tuned for balance of stiffness and cost in boatbuilding and marine structures.

What is Aircell 6lb green foam?

Closed cell polyester foam core, it is an economical alternative to other core materials.

What is Coosa Nautical Series and how is it used?

The Coosa Nautical Series is a lightweight, fiberglass-reinforced polyurethane foam panel designed as a durable replacement for marine plywood in non-structural and semi-structural applications like bulkheads, cabinetry, and deck components.

What is Coosa Bluewater and where is it used?

Coosa Bluewater is a high-density, fiberglass-reinforced polyurethane foam panel used in marine, transportation, and construction applications. It's a direct replacement for plywood in transoms, stringers, decks, and bulkheads.

What core material should I use for a transom or stringer?

For transoms and stringers, Coosa Bluewater is the top choice for its strength and durability. Divinycell H and AirCell T are lightweight alternatives suitable for some applications depending on load requirements and resin system compatibility.

Marine Core Materials – Coosa, Divinycell & Aircell Foam

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Marine Core Materials – Coosa, Divinycell & Aircell Foam Core

What is Coosa Nautical Series and how is it used?

What core material should I use for a transom or stringer?