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4oz Fiberglass Cloth

Fiberglass

5.7oz 3K carbon fiber twill fabric partly unrolled from its cardboard core, 2x2 diagonal weave across the width.

Carbon Fiber

1 gallon white jug of Silmar 249 clear polyester surfboard resin, blue Boat Suppliers label with UV inhibitor and danger warnings.

Resins

Peel Ply Release Fabric

Vacuum Bagging

Boat Suppliers two-part urethane pour foam kit, metal Part A and Part B cans with a cured tan rigid foam mushroom sample between them.

Foam & Core Materials

Fillers & Additives

Fillers & Additives

Economy Fiberglass Roller

Fiberglass Tools

5.8oz Carbon/Innegra Hybrid 2x2 Twill Weave Fabric

Hybrid Fabrics

First Quality Materials

Shop Fiberglass Fabrics

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1708 Biaxial Fiberglass1708 Biaxial Fiberglass Fabric
Boat Suppliers

1708 Biaxial Fiberglass

$8.95 USD
$8.95 USD
$8.95 yd

Width
Length
1.5oz Fiberglass Chopped Strand Mat1 1/2 oz Chopped Strand Mat
Boat Suppliers

1.5oz Fiberglass Chopped Strand Mat

$4.62 USD
$4.62 USD
$4.62 yd

Width
Length
4oz Fiberglass Cloth4oz Woven Fiberglass Cloth
Boat Suppliers

4oz Fiberglass E Cloth

$5.96 USD
$5.96 USD
$5.96 yd

Width
Length
6oz Fiberglass Cloth6oz Fiberglass Cloth Full Roll
Boat Suppliers

6oz Fiberglass E Cloth

$7.54 USD
$7.54 USD $7.54 USD
$7.54 yd

Width
Length
2oz Fiberglass Chopped Strand MatChoosing Your Fiberglass Chopped Strand Mat Size
Boat Suppliers

2oz Fiberglass Chopped Strand Mat

$6.87 USD
$6.87 USD
$6.87 yd
Width
Length

Shop Resins

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Boat Suppliers Epoxy Resin KitBoat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with 1 gallon Part A thin clear resin and 64 fl oz Part B slow epoxy hardener bottles.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers thin clear epoxy resin kit, 64 fl oz Part A laminating resin jug with 32 fl oz Slow Epoxy Hardener Part B bottle.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy resin kit, 16 fl oz thin clear laminating resin Part A bottle beside 8 fl oz Slow Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy resin kit, 32 fl oz thin clear laminating resin Part A bottle with 16 fl oz Slow Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers bulk epoxy resin kit with slow hardener, five 1-gallon Part A resin jugs plus three Slow Epoxy Hardener Part B bottles.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with medium hardener, 8 fl oz thin clear resin Part A beside 2.67 fl oz Medium Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with medium hardener, 64 fl oz thin clear resin Part A jug and 21.3 fl oz Medium Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with fast hardener, 16 fl oz thin clear resin Part A beside 4 fl oz Fast Epoxy Hardener Part B bottle.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with fast hardener, 32 fl oz thin clear resin Part A jug and 8 fl oz orange Fast Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with fast hardener, 1-gallon thin clear resin Part A jug and 32 fl oz orange Fast Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers bulk epoxy kit with fast hardener, five 1-gallon resin Part A jugs plus two orange Fast Epoxy Hardener Part B containers.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers epoxy kit with fast hardener, 1-gallon thin clear resin Part A jug beside 32 fl oz orange Fast Epoxy Hardener Part B.Boat Suppliers epoxy resin kit: 16 fl oz Part A thin clear resin bottle with 5.3 fl oz Part B medium hardener.
Boat Suppliers

Boat Suppliers Epoxy Resin Kit – Thin, Clear, with Hardener

$19.95 USD
$19.95 USD
$1.66 floz

Boat Suppliers Table Top Kleer Kote epoxy resin kit, two 32 fl oz bottles, clear Part A resin and Part B hardener at 1:1 mix ratio.Boat Suppliers Table Top Kleer Kote epoxy resin kit, two 1-gallon jugs, clear Part A resin and Part B hardener at 1:1 mix ratio.
Boat Suppliers Table Top Kleer Kote epoxy resin kit, two 1-gallon jugs, clear Part A resin and Part B hardener at 1:1 mix ratio.Boat Suppliers Table Top Kleer Kote epoxy resin kit, two 1-gallon jugs, clear Part A resin and Part B hardener at 1:1 mix ratio.
Boat Suppliers

Boat Suppliers Table Top Kleer Kote Epoxy Resin

$44.99 USD
$44.99 USD
Boat Suppliers General Purpose Polyester Resin - 1 Gallon
Boat Suppliers

General Purpose Polyester Resin with Hardener

$22.99 USD
$22.99 USD $34.99 USD
Sale
Marine-grade polyester layup resin in a 32 fl oz metal can with a small MEKP hardener bottle, blue Boat Suppliers label.One gallon jug of marine-grade polyester layup resin with included MEKP hardener bottle, blue Boat Suppliers label.
One gallon jug of marine-grade polyester layup resin with included MEKP hardener bottle, blue Boat Suppliers label.One gallon jug of marine-grade polyester layup resin with included MEKP hardener bottle, blue Boat Suppliers label.
Five one-gallon jugs of marine-grade polyester layup resin grouped together, the 5 gallon bulk quantity option.One gallon jug of marine-grade polyester layup resin with included MEKP hardener bottle, blue Boat Suppliers label.
Boat Suppliers

Marine-Grade Polyester Layup Resin with Hardener

$29.99 USD
$29.99 USD $34.99 USD
Sale

Boat Suppliers Polyester Surfboard Resin Silmar 249 - 1 QuartBoat Suppliers Polyester Surfboard Resin Silmar 249 - 1 Gallon
Boat Suppliers Polyester Surfboard Resin Silmar 249 - 1 GallonBoat Suppliers Polyester Surfboard Resin Silmar 249 - 1 Gallon
Five 1 gallon white jugs of Silmar 249 clear polyester surfboard resin grouped together, each with a blue Boat Suppliers label.Boat Suppliers Polyester Surfboard Resin Silmar 249 - 1 Gallon
Boat Suppliers Polyester Surfboard Resin Silmar 249 - 1 Gallon
Boat Suppliers

Clear Polyester Surfboard Resin - Silmar 249 with Hardener

$24.95 USD
$24.95 USD

Shop Carbon Fiber Fabrics

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5.7oz Plain Weave Carbon Fiber5.7oz 3K plain weave carbon fiber fabric on a cardboard core, showing the over-under checkerboard weave and cut edge.
Boat Suppliers

5.7oz 3K Plain Weave Carbon Fiber Fabric - 1st Quality

$54.50 USD
$54.50 USD
$54.50 yd
Width
Length
5.7oz 3K carbon fiber fabric roll in 2x2 twill weave, black tows draped off a cardboard core with a frayed cut edge.Gloved hand holding 5.7oz 3K carbon fiber fabric, black 2x2 twill weave showing diagonal pattern and frayed cut edge.
Boat Suppliers

5.7oz 3K 2x2 Twill Weave Carbon Fiber Fabric - 1st Quality

$54.50 USD
$54.50 USD
$54.50 yd
Width
Length
6oz x 50 inch wide 2x2 Twill Carbon Cloth - Stabilized Fabric6oz x 50 inch wide 2x2 Twill Stabilized Carbon Fiber
Boat Suppliers

6oz 3K 2x2 Twill Carbon Fiber Fabric – Stabilized

$58.50 USD
$58.50 USD
$58.50 yd
Width
Length
8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality - image 2
Boat Suppliers

8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality

$59.50 USD
$59.50 USD
$59.50 yd
Width
Length
11oz 6K 2x2 Twill Weave Carbon Fiber - 1st Quality11oz 6K 2x2 Twill Weave Carbon Fiber - 1st Quality
Boat Suppliers

11oz 6K 2x2 Twill Weave Carbon Fiber - 1st Quality

$54.50 USD
$54.50 USD
$54.50 yd
Width
Length

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Our Blogs

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How to Thicken Epoxy: What to Add and How Much
Fillers & Additives Resin & Epoxy Systems
08 August 2026

How to Thicken Epoxy: What to Add and How Much

Thicken epoxy with fumed silica: 1-2% by weight for sag control, 6-10% for structural putty. Rati...

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08 August 2026

How to Thicken Epoxy: What to Add and How Much

Thicken epoxy with fumed silica: 1-2% by weight for sag control, 6-10% for structural putty. Rati...

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Spreading water-clear polyester laminating resin over fiberglass cloth on a surfboard blank
Resin & Epoxy Systems
08 August 2026

Is Silmar 249 a Laminating Resin?

Silmar 249 is a water-clear, UV-stabilized polyester laminating resin, the surfboard industry sta...

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08 August 2026

Is Silmar 249 a Laminating Resin?

Silmar 249 is a water-clear, UV-stabilized polyester laminating resin, the surfboard industry sta...

Read More
Aerosil 200 vs Cab-O-Sil M-5: Same Fumed Silica, Different Label?
Fillers & Additives
07 August 2026

Aerosil 200 vs Cab-O-Sil M-5: Same Fumed Sili...

Aerosil 200 and Cab-O-Sil M-5 are both 200 m²/g hydrophilic fumed silica. Here's what's actually ...

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07 August 2026

Aerosil 200 vs Cab-O-Sil M-5: Same Fumed Sili...

Aerosil 200 and Cab-O-Sil M-5 are both 200 m²/g hydrophilic fumed silica. Here's what's actually ...

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Chopped Strand Mat Guide: Best Weights for Every Boat Size and Application
Boat Building & Projects Fiberglass Fabrics Repair & Maintenance
07 August 2026

Chopped Strand Mat Guide: Best Weights for Ev...

Find the right chopped strand mat weight for your boat repair or build. This guide covers 0.75oz,...

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07 August 2026

Chopped Strand Mat Guide: Best Weights for Ev...

Find the right chopped strand mat weight for your boat repair or build. This guide covers 0.75oz,...

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How to Repair a Fiberglass Boat Transom: A Step-by-Step Guide
Repair & Maintenance Resin & Epoxy Systems
04 August 2026

How to Repair a Fiberglass Boat Transom: A St...

Learn how to do a fiberglass boat transom repair the right way, from diagnosing rot to re-laminat...

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04 August 2026

How to Repair a Fiberglass Boat Transom: A St...

Learn how to do a fiberglass boat transom repair the right way, from diagnosing rot to re-laminat...

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