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Browse marine epoxy, fiberglass, gelcoat, resin, pour foam, carbon fiber, fillers, tools, and repair supplies.

COMPOSITE MATERIALS & SUPPLIES

Everything You Need For Marine Repair, Restoration & Fabrication

True Composites supplies premium materials for boat repair, fiberglass restoration, composite fabrication, mold making, surface finishing, and structural reinforcement. Browse our full product catalog to find epoxy, polyester resin, fiberglass cloth, fiberglass mat, gelcoat, carbon fiber, pour foam, fillers, tools, and repair supplies.

Whether you're a professional builder, marine repair shop, manufacturer, or serious DIYer, our products are built to help you repair, restore, and build with confidence.

Peel Ply - Light Blue 60" Wide - True Composites

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Peel Ply- Light Blue 60" Wide

✅ Silicone-treated nylon fabric ensures consistent, easy release from cured resin ✅ Optimized for vacuum bagging in marine, transportation, and general FRP applications ✅ Works with multiple resin systems including polyester, vinylester,...

$110.00

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Partall Paste #2- 12 oz Can

✅ General purpose polishing compound and mold release ✅ Blend of hydrocarbon and microcrystalline waxes ✅ Ideal for thermoset molding resins at ambient temperature cure ✅ Creates smooth mold surface...

$19.95

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Partall Film #10- Gallon

✅ Reliable Separation: Creates a solvent-resistant barrier between polyester or epoxy resins and mold surfaces, preventing adhesion during the cure cycle. ✅ Water-Soluble Formula: Dissolves easily with water, allowing for a...

$45.95

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TR-104 Mold Release

✅ High Temperature Mold Release ✅ Carnauba Wax ✅ Simple to Use ✅ Creates hard film with superior heat and chemical properties

$29.95

Marine 4:1 Epoxy for durable, clear bonding in yacht hulls, surfboards, and repairs.

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Marine Grade 4:1 Laminating Epoxy

✅ Customizable Cure Time: Choose from Fast, Medium, or Slow hardeners to control your project's timeline. ✅ Unyielding Strength: Formulated with a precise 4:1 mix ratio for a powerful, durable...

$159.95

Buff Pad 8" Wool 4 Ply Double Side - True Composites

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Buff Pad 8" Wool 4 Ply Double Side

✅ Ideal for final finishing and polishing ✅ Washable in cold water for easy maintenance ✅ Safe for all painted surfaces ✅ Premium 4-ply twisted wool yarn ✅ Dual-sided for...

$19.95

Gelcoat Buying Guide

Choose the Right Gelcoat for Your Repair or Finish

Gelcoat is used to protect, repair, and finish fiberglass surfaces. The right product depends on the type of damage, the surface being repaired, and whether you need a full repair kit, color matching pigments, or finishing supplies.

Gelcoat Repair Kits

Best for small chips, scratches, cracks, and cosmetic fiberglass repairs where you need the core repair materials in one kit.

Marine Gelcoat

Used for boats, molds, RVs, pools, and composite parts that need a durable protective finish and clean surface appearance.

Pigments & Color Matching

Pigments help adjust gelcoat color for better matching on boat hulls, fiberglass panels, repaired surfaces, and custom projects.

Common Shop All Uses

Materials For Every Stage Of Your Project

From surface repairs to structural rebuilds, True Composites supplies the materials needed for marine repair, restoration, fabrication, and finishing.

Marine Repair

Repair boats, hulls, decks, transoms, stringers, and damaged fiberglass surfaces.

Composite Fabrication

Build custom parts, molds, panels, and reinforced composite components.

Surface Finishing

Use gelcoat, pigments, sanding supplies, and finishing materials for clean final results.

Structural Reinforcement

Strengthen repairs with fiberglass cloth, mat, resin systems, fillers, and reinforcements.

Related Materials

Explore Products By Material, Repair Type & Application

Shop all True Composites products or narrow your search by material type, project need, or repair category. Many composite projects require multiple materials working together.

Use these related categories to quickly find resin systems, fiberglass reinforcements, finishing materials, repair supplies, and project guides.

Resin & Fiberglass Core materials for fiberglass repair, layups, and composite fabrication. Gelcoat Finishing and repair materials for fiberglass surfaces and marine restoration. Pour Foam Closed cell foam for flotation, void filling, buoyancy, and support. Fillers Additives and fillers for fairing, thickening, bonding, and prep work. Tools & Supplies Mixing, sanding, application, and repair accessories for composite projects. Product Guides Instructions and resources for choosing and using composite materials.

Shop All FAQ

Common Questions About Composite Materials

Use these quick answers to choose the right materials for marine repair, restoration, fiberglass work, and composite fabrication.

What products does True Composites sell?

True Composites sells epoxy, polyester resin, fiberglass cloth, fiberglass mat, gelcoat, carbon fiber, pour foam, fillers, tools, and composite repair supplies.

What materials do I need for fiberglass repair?

Most fiberglass repairs require resin, fiberglass reinforcement, mixing supplies, sanding materials, and finishing products such as gelcoat.

Do you sell marine repair materials?

Yes. True Composites supplies materials for boat repair, marine restoration, hull repair, transom repair, gelcoat repair, flotation repair, and composite fabrication.

Can beginners use these products?

Many products can be used by serious DIYers when instructions are followed carefully. Product guides are available to help customers choose and use materials properly.

Where can I find product instructions?

Product instructions and guides are available on the Product Instructions page for help with mixing, application, repair planning, and material selection.

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Ready To Find The Right Materials For Your Project?

Browse epoxy, fiberglass, resin, gelcoat, carbon fiber, pour foam, fillers, tools, and repair supplies for marine, composite, and restoration projects.

Shop All Products Product Guides

SHOP ALL COMPOSITE MATERIALS

Everything You Need For Marine Repair, Restoration & Fabrication

Peel Ply- Light Blue 60" Wide

Partall Paste #2- 12 oz Can

Partall Film #10- Gallon

TR-104 Mold Release

Marine Grade 4:1 Laminating Epoxy

Buff Pad 8" Wool 4 Ply Double Side

Choose the Right Gelcoat for Your Repair or Finish

Gelcoat Repair Kits

Marine Gelcoat

Pigments & Color Matching

Materials For Every Stage Of Your Project

Marine Repair

Composite Fabrication

Surface Finishing

Structural Reinforcement

Explore Products By Material, Repair Type & Application

Common Questions About Composite Materials

What products does True Composites sell?

What materials do I need for fiberglass repair?

Do you sell marine repair materials?

Can beginners use these products?

Where can I find product instructions?

Ready To Find The Right Materials For Your Project?

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