Shop Composites

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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

Boat Suppliers fumed silica thickener in a 1 quart jar

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

$12.95 USD
$12.95 USD
$12.95 yd

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

1.5oz Fiberglass Chopped Strand Mat

$6.45 USD
$6.45 USD
$6.45 yd

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

6oz Fiberglass E Cloth

$10.95 USD
$10.95 USD
$10.95 yd

Width
Length
4oz Fiberglass Cloth4oz Woven Fiberglass Cloth
Boat Suppliers

4oz Fiberglass E Cloth

$7.95 USD
$7.95 USD
$7.95 yd

Width
Length
Black-gloved hand holding the corner of 2 oz fiberglass chopped strand mat, showing its random glass fiber strandsChoosing Your Fiberglass Chopped Strand Mat Size
Boat Suppliers

2oz Fiberglass Chopped Strand Mat

$8.95 USD
$8.95 USD
$8.95 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

$34.95 USD
$34.95 USD
$1.46 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 GallonGeneral Purpose Polyester Resin with Hardener - on the workshop bench
Boat Suppliers

General Purpose Polyester Resin with Hardener

$59.95 USD
$59.95 USD
$0.47 floz
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

$34.95 USD
$34.95 USD
$1.09 floz

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
Quart bottle of Boat Suppliers Silmar 249 polyester surfboard resin with UV inhibitors beside a red-tipped bottle of MEKP catalystBoat Suppliers Polyester Surfboard Resin Silmar 249 - 1 Gallon
Silmar

Clear Polyester Surfboard Resin - Silmar 249 with Hardener

$29.95 USD
$29.95 USD
$0.94 floz

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

$56.95 USD
$56.95 USD
$56.95 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

$56.95 USD
$56.95 USD
$56.95 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

$60.95 USD
$60.95 USD
$60.95 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

$70.95 USD
$70.95 USD
$70.95 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

$63.95 USD
$63.95 USD
$63.95 yd
Width
Length

Marine Calculators

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Our Blogs

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1708 Biaxial Tape vs Strips Cut From the Roll: When Tape Wins
Buyer's Guides Fiberglass Fabrics
12 October 2026

1708 Biaxial Tape vs Strips Cut From the Roll...

1708 biaxial tape or strips cut off the roll: the yardage crossover, 6 to 12 in widths, the stagg...

Read More
12 October 2026

1708 Biaxial Tape vs Strips Cut From the Roll...

1708 biaxial tape or strips cut off the roll: the yardage crossover, 6 to 12 in widths, the stagg...

Read More
Small bubble in a white fiberglass RV sidewall below a window
Buyer's Guides Repair & Maintenance
11 October 2026

RV Fiberglass Repair: Crack, Hole or Delamina...

Broken fiberglass needs glass and resin. Lifted fiberglass needs adhesive behind it. How to tell ...

Read More
11 October 2026

RV Fiberglass Repair: Crack, Hole or Delamina...

Broken fiberglass needs glass and resin. Lifted fiberglass needs adhesive behind it. How to tell ...

Read More
Fiberglass repair in progress on a cracked white RV end cap, with mat being wet out with resin
Gelcoat & Finishing Repair & Maintenance
11 October 2026

RV and Camper Fiberglass Repair, From Grind t...

A cracked end cap or a holed sidewall is a laminate repair: grind, mat, cloth, fair, gelcoat. The...

Read More
11 October 2026

RV and Camper Fiberglass Repair, From Grind t...

A cracked end cap or a holed sidewall is a laminate repair: grind, mat, cloth, fair, gelcoat. The...

Read More
Fiberglass motorhome sidewall with several delamination bulges across a wide area
Buyer's Guides Resin & Epoxy Systems
11 October 2026

How Much Epoxy for RV Delamination Repair? Si...

Measure the loose skin, not the bubble, and plan on about 4 fl oz of mixed epoxy per square foot....

Read More
11 October 2026

How Much Epoxy for RV Delamination Repair? Si...

Measure the loose skin, not the bubble, and plan on about 4 fl oz of mixed epoxy per square foot....

Read More
Long wavy delamination ripple along the fiberglass sidewall of a motorhome
Buyer's Guides Repair & Maintenance
11 October 2026

RV Delamination: Inject Epoxy or Replace the ...

Whether an RV delamination can be glued back or has to be rebuilt is decided by what is behind th...

Read More
11 October 2026

RV Delamination: Inject Epoxy or Replace the ...

Whether an RV delamination can be glued back or has to be rebuilt is decided by what is behind th...

Read More