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Fiberglass Resin

      Product Listing

      • Hi-Bond Polyester Resin W/ Hardener
        $40.81
        $35.49

        Hi-Bond Polyester Resin w/ Hardener General purpose polyester resin. Hi-Bond Polyester Resin w/ Hardener is for use in repair of small areas and decks. Used with cloth, mat and roving. Hardener included. Does not contain wax.

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      • West System Fiberglass Slow Hardener - .44 Pint
        $37.20
        $32.35

        West System 206 Slow Hardener  The 206 Slow Hardener offers a low viscosity curing agent for use with West System 105 Epoxy Resin. Great for when you need an extended work time or longer cure time is needed. Provides great working time at higher...

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      • Hawk Epoxy R1 Resin
        $38.51
        $33.49

        Sea Hawk Hawk Epoxy R1 Resin The Sea Hawk Epoxy R1 Resin is a premium blend, low odor, low-blush epoxy resin used for general fiberglass repair and construction for superior bonding, strength, filling, adhesion, and moisture barrier. Must be used in...

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      • Evercoat Acetone - Quart
        $37.99
        $31.19

        Fiberglass Evercoat Acetone Evercoat Acetone is a powerful, fast evaporating, water miscible chemical. It can be used as a clean-up solvent for epoxies, vinyl, lacquers, contact cements, plastics, and adhesives. Acetone may also be used as a fiberglass...

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      • Resins & Gelcoat Liquid Hardener (MEK)
        $11.49
        $8.49

        Resins & Gelcoat Liquid Hardener (MEK) Hardening agent for use with all polyester resins and gel coats. Plastic squeeze tube has graduated measure for mixing convenience. Use this Methyl Ethyl Ketone Peroxide catalyst according to the resin/gel coat...

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      • Hawk Epoxy C2 Slow Catalyst
        $20.49
        $16.99

        Hawk Epoxy C2 Slow Catalyst The Sea Hawk Hawk Epoxy C2 Slow Catalyst can be used with Hawk Epoxy Resin for building or repairing planes, surfboards, canoes, boats, and many other substrates. Designed for construction or repairs with superior adhesion,...

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      • Hawk Epoxy C3 Fast Catalyst
        $20.49
        $16.99

        Hawk Epoxy C3 Fast Catalyst The Sea Hawk Hawk Epoxy C3 Fast Catalyst can be used with Hawk Epoxy Resin for building or repairing planes, surfboards, canoes, boats, and many other substrates. Designed for construction or repairs with superior adhesion,...

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      • Premium Marine Polyester Resin
        $49.44
        $42.99

        The perfect no-run, no-sag polyester resin for marine repairs! May be used on softwoods and fiberglass. Ideal repair for hulls, decks, cabins and tanks. Repairs all boat surfaces, resists impacts and protects against moisture damage. Use with Sea-Glass...

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      • Hawk Epoxy Pump Kit
        $18.99
        $14.99

        Hawk Epoxy Pump Kit The Hawk Epoxy Pump Kit allows for easy measuring Hawk Epoxy and Catalyst ratios. The user manual explains how to properly prime the pumps, store the pumps, and measure accurately with the pumps. Priming the Hawk Epoxy Pumps For...

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      • Hawk Epoxy C1 Ultra Slow Catalyst
        $28.16
        $24.49

        Hawk Epoxy C1 Ultra Slow Catalyst The Sea Hawk Hawk Epoxy C1 Ultra Slow Catalyst can be used with Hawk Epoxy Resin for building or repairing planes, surfboards, canoes, boats, and many other substrates. Designed for construction or repairs with superior...

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      • Hawk Epoxy C5 Clear Finish Catalyst
        $35.64
        $30.99

        Hawk Epoxy C5 Clear Finish Catalyst The Sea Hawk Hawk Epoxy C5 Clear Finish Catalyst can be used with Hawk Epoxy Resin for building or repairing planes, surfboards, canoes, boats, and many other substrates. Designed for construction or repairs with...

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      Epoxy vs. Polyester Fiberglass Resin

      Choosing the correct fiberglass resin depends on your repair application, desired strength, and compatibility with existing materials.

      Epoxy Fiberglass Resin

      Epoxy fiberglass resin offers superior bonding strength and moisture resistance. It is commonly used for structural repairs, transom reinforcement, and applications requiring maximum durability. Epoxy resin adheres well to a variety of substrates and is often preferred for high-stress repair areas.

      Polyester Fiberglass Resin

      Polyester fiberglass resin is widely used for general fiberglass repair and manufacturing. It cures quickly and is compatible with most fiberglass boat construction. Polyester resin is commonly selected for cost-effective hull repairs and surface restoration projects.

      Using Fiberglass Resin for Boat Repairs

      Marine fiberglass resin is used to repair cracks, chips, and structural damage in boat hulls and components. Proper surface preparation, fiberglass mat or cloth reinforcement, and correct mixing ratios are essential for a successful repair.

      Hull and Structural Repairs

      Fiberglass repair resin can restore damaged hull sections, reinforce stress areas, and rebuild worn surfaces. When applied correctly with fiberglass cloth or mat, resin creates a durable, water-resistant repair.

      Marine-Grade Durability

      Marine grade fiberglass resin is formulated to withstand constant water exposure, UV stress, and vibration. Choosing the appropriate resin type ensures long-term performance and structural integrity.

      For complete fiberglass repair projects, explore related products such as fiberglass cloth and marine adhesives & sealants to support your repair process.

      Fiberglass Resin FAQs

      What is fiberglass resin used for?

      Fiberglass resin is used to repair, reinforce, and restore fiberglass boat hulls and marine structures. It bonds with fiberglass cloth or mat to create a strong, water-resistant repair.

      What is the difference between epoxy and polyester resin?

      Epoxy resin provides superior bonding strength and moisture resistance, while polyester resin is commonly used for general fiberglass repairs and cures more quickly.

      Can fiberglass resin repair a boat hull?

      Yes. When combined with fiberglass cloth or mat and properly applied, fiberglass resin can repair cracks, chips, and structural damage in boat hulls.

      Is fiberglass resin waterproof?

      Marine fiberglass resin is formulated to resist water exposure once fully cured, making it suitable for boat hull and structural applications.