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Top 10August 2025

Best Fiberglass Polyester Resin Marine Grade Repair Kit 1 Gallon

We made a list of the top 10 Fiberglass Polyester Resin Marine Grade Repair Kit 1 Gallon based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 1 Gallon - Catalyst Included - Fiberglass, Boat Repair, Decks, RV, Auto

Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 1 Gallon - Catalyst Included - Fiberglass, Boat Repair, Decks, RV, Auto

Fiberglass Warehouse

✓ALL PURPOSE LAMINATING RESIN – This advanced general purpose ortho polyester resin works for repairs and new construction. Secures fiberglass fabric, composite materials, woods, metals, and other fiberglass surfaces to increase strength, resilience, and long-term durability.
✓EASY TO USE AND LAYER– Our polyester resin stays tacky between layers and provides a reliable hold. Great for projects requiring multiple layers as there is no sanding needed between coats. Use our finishing resin or a wax for a tack free finish on the final layer.
✓VERSATILE USE WITH FAST WET OUT – A fast wet-out means you can apply this poly laminating resin to composite parts including marine, general purpose laminating, aero-space, fiber reinforced plastic parts, auto body, transportation, wood and other DIY composite projects.
✓MEKP CATALYST INCLUDED – This polyester laminating resin kit includes an MEKP hardener to help control gel time for a strong finish. Adjust the catalyst quantity depending on the desired gel time, from 1 tsp/quart for slow gel to 3tsp/quart for fast gel time.
✓PREMIUM GRADE- Our Fiberglass Warehouse Polyester laminating resin is great for low-cost repairs and new construction.

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5% Discount

True Composites Fiberglass Resin Polyester Resin Marine Grade Resin 1 Gallon with MEKP Hardener Polymer Resin Fiberglass Repair Kit Laminating Resin for Wood Boat Building and Repair

True Composites Fiberglass Resin Polyester Resin Marine Grade Resin 1 Gallon with MEKP Hardener Polymer Resin Fiberglass Repair Kit Laminating Resin for Wood Boat Building and Repair

TRUE COMPOSITES

✓✅ Grade A - Not your average boatyard resin, this polyester fiberglass laminating resin is the highest grade you will find—a premium product trusted in the marine industry and by most manufaturers.
✓✅ Cures Fast - Apply this resin on wood, fiberglass, or metal without any inconvenience. Depending on temperature and humidity, it can reach its cured stage in as little as 4 hours and up to 24 hours.
✓✅ Dries Tack-Free - Manufactured in the USA, this DCPD-type resin cures tack-free no surface sealer. The set includes 2 gallons of resin and 2- 2-ounce bottles of MEKP catalyst.
✓✅ Multiple Applications - This polyester fiberglass resin is perfect for a variety of uses, including marine laminating, aerospace, FRP parts, auto body repair, transportation, and more.
✓✅ High Compatibility - Suited for all types of fiberglass and coring materials, this polyester laminating resin is great for low-cost repairs, new construction parts, and vertical surfaces.

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Polymer World- Polyester Resin 1-10 Gallon Kit with MEKP for Boats, Cars, Surfboard, RV, Pools,Canoes, Jetskis, Watercrafts (1, 1 Gallon)

Polymer World- Polyester Resin 1-10 Gallon Kit with MEKP for Boats, Cars, Surfboard, RV, Pools,Canoes, Jetskis, Watercrafts (1, 1 Gallon)

✓✅ From Water crafts to Bath Fixtures - Upgrade your building and repair kit with our general-purpose marine fiberglass resin. You can confidently use it on a boat, surfboard, automobile, motors homes and even a bathtubs.
✓✅ Convenient Application - This fiberglass boat repair kit allows for fast wet out. Easy to spread, the wetting resin impregnates fibrous material quickly and can be applied using spray-ups or hand layups.
✓✅ Excellent Tackiness - Our fiberglass resin stays tacky for a longer period. This makes it easier for you to apply stacks or layers of reinforcement materials, which then allows for stronger adhesion. After the curing process our resin dries to a nice hard tack-free finish!
✓✅ Cleaner Results - With its superior formula, this fiberglass resin won't sag or flow when applied to sloping surfaces. The marine resin also helps minimize pattern print-throughs on gelcoat finishes.
✓✅ UV Stability - Polyester Resin has UV Stabilizers that will resist degradation from sunlight exposure. This will provide trouble free protection for years!
✓✅ Our Florida Based business has well over 8 years of experience in the boating industry, and we are just getting started. We look forward to working with you on all of your projects going forward. We know that once you experience any Polymer World product, you will be encouraged to try our other offerings through our extensive product line. We offer Polyester Resin, Fiberglass, Ceramic Transom Pour and Gel Coat for all of your project needs. The future will be exciting here at Polymer World. We thank all our customers for choosing our products for their amazing projects!
✓✅ Complete Your Marine Fiberglass Repair Kit for Boats - The 1- gallon polyester resin includes a 2 fl oz bottle of MEK-P polyester resin catalyst. No need to buy a resin hardener separately.

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True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (0.75oz x50" Wide x5 Yards-15 feet) Clear Coating, Bonding, Crack Filling

True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (0.75oz x50" Wide x5 Yards-15 feet) Clear Coating, Bonding, Crack Filling

TRUE COMPOSITES

✓Economical and Easy to Use - Say goodbye to expensive repairs at the boatyard. Our polyester resin is a budget-friendly alternative that dries quickly and tack-free for hassle-free application. Save money without sacrificing quality on various applications. Great for marine, auto body, FRP parts, aerospace, waterproofing, resurfacing and so much more!
✓Reliable Material: Our product features a gallon of DCPD Fiberglass Resin, 2 oz catalyst and 5 yards of .75 oz x 50" wide fiberglass mat, ensuring durable performance. Ideal for sealing cracks, repairing breaks, or filling holes in fiberglass. Works over wood, concrete, or metal. Not only is it ideal for repairs but for new construction parts as well. It’s an essential fiberglass resin repair kit for multiple projects.
✓Quick Thickness Build-Up: The chopped strand mat builds thickness easily and efficiently for diverse applications. It works on curves and corners. Get professional-quality results at a fraction of the cost.
✓Fast Curing: This resin typically dries tack-free within 4-24 hours depending on temperature and humidity, eliminating the need for wax. This efficient curing process makes it practical for quick repairs or new construction parts. Works with all paints, including gel coat and marine paint.
✓Grade A: True Composites is a reliable brand for its premium product used in the marine industry!

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Fiberglass Warehouse Polyester Laminating Resin - Quart Kit- Marine Grade - Catalyst Included- Fiberglass, Boat Repair, Decks, RV, Auto, General Purpose

Fiberglass Warehouse Polyester Laminating Resin - Quart Kit- Marine Grade - Catalyst Included- Fiberglass, Boat Repair, Decks, RV, Auto, General Purpose

Fiberglass Warehouse

✓Professional Results: This Fiberglass Warehouse ortho polyester laminating resin is marine-grade and delivers professional results for a wide range of applications, offering protection to many surfaces.
✓General Purpose Polyester Resin: Our general purpose polyester resin is intended for a wide range of applications and industrial purposes, especially for boat building and layups, household and industrial surface finishes and repairs for fiberglass, surfboards, and more.
✓Quick Wet-Out: This polyester laminating resin can be used on fiberglass, wood, metal surfaces and other materials used for the formation of large FRP parts for motorcycles, cars, boats, yachts, and more, ensuring a fast wet-out and smooth, protective finish.
✓Easy Application: Our polyester resin is an affordable solution that can be used by both professionals and novices. It keeps the surface tacky for a strong adherence with the next layer. No need to sand between layers. Add wax to the final layer, or finish with a waxed gelcoat for a hard, tack-free finish.
✓Catalyst Included: The Fiberglass Warehouse polyester laminating resin comes with MEKP catalyst. Adjust the hardener quantity depending on the desired gel time, from 1 tsp/quart for slow gel to 3tsp/quart for fast gel time.

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TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups and Repairs (Gallon)

TotalBoat Polyester Laminating Resin - Marine Grade Fiberglass Resin and MEKP Catalyst for Layups and Repairs (Gallon)

✓GENERAL PURPOSE POLYESTER RESIN stays tacky to hold fiberglass cloth and composite fabrics in place during boat building & layups; ideal for hull & surfboard repair, bathtub & automotive fiberglass repairs
✓FAST WET OUT OF FIBERGLASS and other reinforcement fabrics used to create composites and FRP parts for yachts, boats, motorcycles and more; ideal for spray-ups and hand layups on fiberglass, wood & metal
✓EASY TO USE, NO SANDING: Polyester fiberglass resin is an excellent base coat for laminating applications; just mix in MEKP catalyst and use immediately; surface stays tacky so next layer adheres strongly
✓INCLUDES MEKP CATALYST: Adjust the amount of MEKP hardener to control gel time; slow gel (20 min +): 1 teaspoon of MEKP per quart of resin; medium (15-20 min): 2 tsp/qt; fast (10 min): 3 tsp/qt
✓CHOOSE QUART OR GALLON SIZE. Note: Resin and work area should be between 70°F to 95°F; store in temperatures below 77°F; for the final layer in your layup, use TotalBoat Polyester Finishing Resin

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True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon 2oz Hardener) Fiberglass Chopped Strand Mat (1.5oz x38' Wide x5 Yards-15 feet) Clear Coating, Bonding, Crack Filling

True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon 2oz Hardener) Fiberglass Chopped Strand Mat (1.5oz x38' Wide x5 Yards-15 feet) Clear Coating, Bonding, Crack Filling

TRUE COMPOSITES

✓Waterproof Resin: Marine grade resin provides waterproof bonding for fiberglass, concrete, metal and wood projects.
✓Complete Repair Kit: Includes 1 gallon of resin, 2oz hardener, chopped strand mat, clear coating and crack filler.
✓Long Lasting: Resin provides durable, long lasting repairs for boats, cars, buildings and more.
✓Easy Application: Quick drying resin bonds well to surfaces and cures clear in minutes.
✓Trusted Brand: True Composites is a leading manufacturer of fiberglass repair materials.

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True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (1.5oz x50" Wide x10 Yards) Clear Coating, Bonding, Crack Filling

True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (1.5oz x50" Wide x10 Yards) Clear Coating, Bonding, Crack Filling

TRUE COMPOSITES

✓✅ This Fiberglass repair kit comes with: 1 Gallon of Polyester Resin, 2-ounce bottle of MEKP hardener and Fiberglass Mat (1.5oz x 50" Wide x10 Yards). Plenty of material for a fiberglass repair or new construction.
✓✅ Cures Fast: Achieve full cure quickly-4 hours minimum to 24 hours maximum, based on temperature!!
✓✅ Dries Tack-Free: This DCPD-type resin bonds tack free without any wax!!
✓✅ Broad Application Range: marine, aerospace, FRP parts, auto body, on wood, fiberglass, or metal!! Perfect for repairing holes, sealing cracks, resurfacing boats, waterproofing and so much more.
✓✅ Grade A: True Composites is a trusted brand for its premium product used in the marine industry!

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Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 4 Gallon Kit- Catalyst Included- Fiberglass, Wood, Boat Repair, Decks, RV, Auto and General Purpose Composite Projects

Fiberglass Warehouse Polyester Laminating Resin - Marine Grade - 4 Gallon Kit- Catalyst Included- Fiberglass, Wood, Boat Repair, Decks, RV, Auto and General Purpose Composite Projects

Fiberglass Warehouse

✓All Purpose Laminating Resin – This advanced ortho polyester resin works for repairs and new construction. Secures fiberglass fabric, composite materials, woods, metals, and other fiberglass surfaces to increase strength, resilience, and long-term durability.
✓Easy to Layer Application – Our polyester resin stays tacky between layers and provides a reliable hold. It does not require sanding between layers. Use our finishing resin or a wax for a tack free finish on the last layer.
✓Versatile Application and Fast Wet Out – A fast wet-out means you can apply this poly laminating resin easily to composites and FRP parts including cars, motorcycles, boats, marine vehicles, bathtubs, surfboards, and other DIY composite projects.
✓MEKP Catalyst Included – This poly laminating resin kit includes MEKP hardener to help control gel time for a strong finish. Adjust the hardener quantity depending on the desired gel time, from 1 tsp/quart for slow gel to 3tsp/quart for fast gel time.
✓Handling Temperatures - Application: 70°F - 95°F for resin and work area. Store resin in cool, dry area out of direct sunlight in temperatures below 77°F.

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True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (0.75oz x38' Wide x10 Yards-30 feet) Clear Coating, Bonding, Crack Filling

True Composites Fiberglass Polyester Resin-Marine Grade Repair Kit-(1 Gallon, 2oz Hardener) & Fiberglass Chopped Strand Mat (0.75oz x38' Wide x10 Yards-30 feet) Clear Coating, Bonding, Crack Filling

TRUE COMPOSITES

✓✅ This Fiberglass repair kit comes with: 1 Gallon of Polyester Resin, 2-ounce bottle of MEKP hardener and Fiberglass Mat (.75 oz x 38" Wide x10 Yards). Plenty of material for a repair or new fiberglass construction.
✓✅ Cures Fast: Achieve full cure quickly-4 hours minimum to 24 hours maximum, based on temperature!!
✓✅ Dries Tack-Free: This DCPD-type resin bonds tack free without any wax!
✓✅ Broad Application Range: Marine, aerospace, FRP parts, auto body, pools, on wood, fiberglass, or metal!! Perfect for repairing holes, sealing cracks, resurfacing boats, waterproofing and so much more.
✓✅ Grade A: True Composites is a trusted brand for its premium product used in the marine industry!

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