1.5oz Fiberglass Chopped Strand Mat

Name: 1.5oz Fiberglass Chopped Strand Mat
Brand: Boat Suppliers
SKU: CSM-10538-01
Price: 3.91 USD
Availability: InStock
Rating: 5.0 (2 reviews)

SKU:CSM-10538-01

$3.91 USD

$3.91 USD ~~$4.16 USD~~

Sale Sold out

Shipping calculated at checkout.

1001 in stock

Width: 38"

38" 50"

Length: 1 Yard

1 Yard 3 Yards 10 Yards Full Roll (Approx. 80 Yards)

Quantity

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For a balance of flexibility and strength, our 1.5 oz Fiberglass Chopped Strand Mat is a go-to material for boat repairs, automotive applications, aerospace layups and composite laminations. This medium-weight mat offers excellent wet-out and superior bonding with polyester and vinyl ester resins, ensuring a strong and durable finish.

Specifications

Ideal for:

- Structural reinforcement

- Repairs

- General fiberglass work.

- Marine, Auto & Aerospace Use

Compatible with:

- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 38" Width: Approximately 24 oz of resin per yard
- 50" Width: Approximately 32 oz of resin per yard

Weight:
1-1/2 oz per square foot
(13.5oz per square yard)

458 gsm

Most commonly used mat for mold and boat building applications as well as automotive part construction.

Product Data Sheet

Includes

1.5oz Chopped Strand Mat by the yard

Features

Product Data Sheet

Safety Data Sheet

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Variant	Variant total	Quantity	Price	Variant total
38" / 1 Yard	38" / 1 Yard Sale price $3.91 USD/ea Regular price ~~$4.16 USD~~	$0.00 USD	Quantity	Sale price $3.91 USD/ea Regular price ~~$4.16 USD~~	$0.00 USD

38" / 3 Yards	38" / 3 Yards Sale price $10.70 USD/ea Regular price ~~$11.70 USD~~	$0.00 USD	Quantity	Sale price $10.70 USD/ea Regular price ~~$11.70 USD~~	$0.00 USD

38" / 10 Yards	38" / 10 Yards Sale price $32.42 USD/ea Regular price ~~$36.40 USD~~	$0.00 USD	Quantity	Sale price $32.42 USD/ea Regular price ~~$36.40 USD~~	$0.00 USD

38" / Full Roll (Approx. 80 Yards)	38" / Full Roll (Approx. 80 Yards) Sale price $266.50 USD/ea Regular price ~~$266.50 USD~~	$0.00 USD	Quantity	Sale price $266.50 USD/ea Regular price ~~$266.50 USD~~	$0.00 USD

50" / 1 Yard	50" / 1 Yard Sale price $5.20 USD/ea Regular price ~~$5.20 USD~~	$0.00 USD	Quantity	Sale price $5.20 USD/ea Regular price ~~$5.20 USD~~	$0.00 USD

50" / 3 Yards	50" / 3 Yards Sale price $14.82 USD/ea Regular price ~~$14.82 USD~~	$0.00 USD	Quantity	Sale price $14.82 USD/ea Regular price ~~$14.82 USD~~	$0.00 USD

50" / 10 Yards	50" / 10 Yards Sale price $45.50 USD/ea Regular price ~~$45.50 USD~~	$0.00 USD	Quantity	Sale price $45.50 USD/ea Regular price ~~$45.50 USD~~	$0.00 USD

50" / Full Roll (Approx. 80 Yards)	50" / Full Roll (Approx. 80 Yards) Sale price $289.12 USD/ea Regular price ~~$289.12 USD~~	$0.00 USD	Quantity	Sale price $289.12 USD/ea Regular price ~~$289.12 USD~~	$0.00 USD

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What To Expect When You Order Fabric Rolls

Works Great For:

Marine

Boat Building & Repairs

Aerospace

Built for airplane specs

Automotive

Fiberglass car body repair

Fiberglass Chop Strand Mat - Boat Suppliers

Product Comparison

0.75oz Fiberglass Chopped Strand Mat

Flexible & lightweight fiberglass mat.

$3.12

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:
- Spots where flexibility is needed

- Keeping parts lightweight
- General fiberglass work.
- Marine, Auto & Aerospace Use

Compatible with:
- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 38" Width: Approximately 12 oz of resin per yard
- 50" Width: Approximately 16 oz of resin per yard

Weight
0-3/4 oz per square foot
(6.75oz per square yard)

229 gsm

Perfect for Marine, Automotive, and DIY Projects

Product Data Sheet

1.5oz Fiberglass Chopped Strand Mat

Balance of flexibility and strength.

$3.91

$4.16

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:

- Structural reinforcement

- Repairs

- General fiberglass work.

- Marine, Auto & Aerospace Use

Compatible with:

- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 38" Width: Approximately 24 oz of resin per yard
- 50" Width: Approximately 32 oz of resin per yard

Weight:
1-1/2 oz per square foot
(13.5oz per square yard)

458 gsm

Most commonly used mat for mold and boat building applications as well as automotive part construction.

Product Data Sheet

2oz Fiberglass Chopped Strand Mat

Maximum strength and build up.

$5.10

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:

- Structural reinforcement

- Large Repairs

- Heavy Layups

- Marine, Auto & Aerospace Use

Compatible with:

- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 50" Width: Approximately 42oz of resin per yard

Weight
2oz per square foot
(18oz per square yard)

610gsm

Most commonly used mat for mold and boat building applications as well as automotive part construction.

Product Data Sheet

0.75oz Fiberglass Chopped Strand Mat

Flexible & lightweight fiberglass mat.

$3.12

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:
- Spots where flexibility is needed

Weight
0-3/4 oz per square foot
(6.75oz per square yard)

229 gsm

Perfect for Marine, Automotive, and DIY Projects

Product Data Sheet

1.5oz Fiberglass Chopped Strand Mat

Balance of flexibility and strength.

$3.91

$4.16

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:

- Structural reinforcement

- Repairs

- General fiberglass work.

- Marine, Auto & Aerospace Use

Compatible with:

- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 38" Width: Approximately 24 oz of resin per yard
- 50" Width: Approximately 32 oz of resin per yard

Weight:
1-1/2 oz per square foot
(13.5oz per square yard)

458 gsm

Most commonly used mat for mold and boat building applications as well as automotive part construction.

Product Data Sheet

2oz Fiberglass Chopped Strand Mat

Maximum strength and build up.

$5.10

SHOP NOW

Flexbility

Volume / Build Up

Epoxy Usage

Specifications

Ideal for:

- Structural reinforcement

- Large Repairs

- Heavy Layups

- Marine, Auto & Aerospace Use

Compatible with:

- Polyester resin
- Vinyl ester resins for superior adhesion.

Resin Requirements:
- 50" Width: Approximately 42oz of resin per yard

Weight
2oz per square foot
(18oz per square yard)

610gsm

Most commonly used mat for mold and boat building applications as well as automotive part construction.

Product Data Sheet

FAQ

Frequently Asked Questions

What is chopped strand mat used for?

CSM is ideal for hand lay-up and open-mold applications. It’s used in boat building, mold making, and general fiberglass repair to create strong laminates, fill voids, and provide a smooth finish when layered with polyester resin.

How do I cut and shape chopped strand mat?

CSM can be easily cut with scissors or a utility knife. For complex curves or better blending of layers, it can be torn by hand to help it conform to the mold shape more easily.

Do I need to roll out air bubbles when using chopped strand mat?

Yes, it's important to use a fiberglass roller to eliminate air bubbles and ensure proper wet-out during lay-up. This improves the strength and finish of the final part.

Can chopped strand mat be layered with other materials?

Absolutely. It's commonly used between layers of fiberglass cloth or woven roving to add bulk and prevent print-through in gelcoats or top layers.

Can I use chopped strand mat with epoxy resin?

Most CSM is designed for polyester or vinyl ester resin because the binder in standard mat doesn’t dissolve in epoxy. However, epoxy-compatible chopped strand mat is available and should be used if you’re working with epoxy systems.

How much resin do I need for chopped strand mat?

On average, you’ll need about 1.2 to 1.5 times the weight of the mat in resin. For example, 1.5 oz CSM will require roughly 20–25 oz of resin per yard. Use our Epoxy Calculator to estimate your resin needs, adjusting for polyester if necessary.

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1.5oz Fiberglass Chopped Strand Mat