4oz Fiberglass E Cloth

3.6 oz actual0°/90°30" or 50" wide

1 5

Boat Suppliers

4oz Fiberglass E Cloth

SKU:FG-C0430-01

$7.95 USD

$7.95 USD ~~USD~~

$7.95 yd

Sale Sold out

Shipping calculated at checkout.

In stock

Width: 30"

30" 50"

Length: 1 Yard

1 Yard 3 Yard Pack 5 Yard Pack 10 Yard Roll 25 Yard Roll Full Roll (125 Yards)

Quantity

Key Specs

Weight: approx. 3.6 oz/yd² (122 g/m²), sold as 4 oz
Fiber Angle: 0°/90° (woven)
Widths: 30 in, 50 in
Compatible Resins: Epoxy, Polyester, Vinyl Ester
Resin Needed: About 4 oz per yard at 30 in wide, waste included
Ships: Folded under 10 yd, rolled from 10 yd

Order several sizes at once width by length, one add to cart

Width	1 Yard	3 Yard Pack	5 Yard Pack	10 Yard Roll	25 Yard Roll	Full Roll (125 Yards)
30"	30" 1 Yard $7.95	30" 3 Yard Pack $18.95	30" 5 Yard Pack $30.95	30" 10 Yard Roll $60.95	30" 25 Yard Roll $134.95	30" Full Roll (125 Yards) $557.95
50"	50" 1 Yard $12.45	50" 3 Yard Pack $28.95	50" 5 Yard Pack $47.95	50" 10 Yard Roll $92.95	50" 25 Yard Roll $209.95	50" Full Roll (125 Yards) $907.95

Nothing selected yet

Style 1522 plain weave E-glass at 4 oz per square yard, in 30 in and 50 in widths. This is the standard light laminating cloth: it wets out clear, conforms to gentle curves, and finishes smooth with a couple of fill coats. Surfboard skins, cosmetic layups, small repairs where 6 oz would be heavy-handed.

Where it goes: surfboard laminations, light sheathing, patch repairs, top layer over heavier structural cloth.
Build rate: 0.0059 in per ply, thread count 24 by 22.
Resin demand: roughly 1:1 resin to glass by weight, about 0.47 oz per square foot.
Tensile strength: 170 lb/in warp and 160 lb/in fill, dry.
Resin compatibility: epoxy, polyester and vinyl ester.

On a clear finish, pull the cloth square before you wet it out. A crooked weave is permanent once the resin kicks.

Specifications

Ideal For:

Surfboard building and repairs
Lightweight marine and auto repairs
Model building
Cedar strip canoes and kayaks

Weight:

approx. 3.6 oz/yd² (122 g/m²), sold as 4 oz

Widths:

Available in 30 and 50 in widths.

Weave:

Plain weave

Compatible With:

Epoxy, polyester and vinyl ester resins.

Lightweight fabric for light-duty work, commonly used where a clear wet-out is wanted.

Includes

4oz Fiberglass E Cloth by the yard

Features

Lightweight & Smooth
Ideal for surfboards, paddleboards, model building, and fine laminations where minimal weight and a smooth finish are critical.
Tight Plain Weave (E-Glass)
Balanced strength and drapeability — easy to handle and conforms well to curves and contours.
Crystal Clear Finish with Epoxy
Virtually disappears when wet out with epoxy resin, making it great for cosmetic overlays and transparent laminations.
Low Resin Usage
Requires less resin to wet out compared to heavier fabrics, saving weight and cost.
Compatible with Epoxy, Polyester, and Vinyl Ester Resins
Works across multiple resin systems for a variety of marine, automotive, and hobby projects.
Easy to Cut, Shape & Sand
Excellent for detail work, reinforcement layers, and small repairs where precision matters.
Perfect for Sealing Wood or Foam Commonly used to seal composite cores or add strength without adding bulk.

View full details

Technical Specifications

E-GlassPlain weaveWorks with Epoxy, Polyester, Vinyl EsterWoven in the USA

MaterialE-Glass

Industry Style #Style 1522

Weightapprox. 3.6 oz/yd² (122 g/m²), sold as 4 oz

Weave / ConstructionPlain weave

Fiber Orientation0°/90° (woven)

Thickness0.0059"

Available Widths30", 50"

Full Roll Length125 yd

Thread Count24 × 22

Tensile / Breaking Strength200 / 185 lb/in (warp / fill, greige)

Resin-to-Reinforcement Ratio~1:1 by weight

Compatible ResinsEpoxy, Polyester, Vinyl Ester

Best ForLightweight repairs and surfboard work

Compare Fabrics

Product	4oz Fiberglass E ClothYou're viewingfrom $7.95	3oz Fiberglass E Clothfrom $16.45	6oz Fiberglass E Clothfrom $10.95	10oz Fiberglass E Clothfrom $14.45
Material	E-Glass	E-Glass	E-Glass	E-Glass
Style	Style 1522	Style 120	Style 3733 (50")	—
Weight	approx. 3.6 oz/yd² (122 g/m²), sold as 4 oz	3.16 oz/yd² (107 g/m²)	approx. 5.7 oz/yd² (193 g/m²), sold as 6 oz	10 oz/yd² (339 g/m²), nominal
Weave	Plain weave	4-Harness Satin	Plain weave	Plain weave
Orientation	0°/90° (woven)	0°/90° (woven)	0°/90° (woven)	0°/90° (woven)
Thickness	0.0059"	0.0041"	0.008" to 0.009"	0.0154"
Widths	30", 50"	38"	38", 50", 60"	38", 50"
Full Roll	125 yd	125 yd	125 yd	125 yd
Thread Count	24 × 22	60 × 58	18 × 18	—
Tensile Strength	200 / 185 lb/in (warp / fill, greige)	≥125 / ≥120 lb/in (warp / fill, greige)	—	—
Resin Ratio	~1:1 by weight	~1:1 by weight	~1:1 by weight	~1:1 by weight
Resins	Epoxy, Polyester, Vinyl Ester	Epoxy, Polyester, Vinyl Ester	Epoxy, Polyester, Vinyl Ester	Epoxy, Polyester, Vinyl Ester
Best For	Lightweight repairs and surfboard work	Lightweight finishing and surface coats	General-purpose marine layup and repair	Medium-weight structural reinforcement
	Selected	View	View	View

What To Expect When You Order Fabric Rolls

Can epoxy resin be used with fiberglass cloth?

Yes, epoxy resin is ideal for wetting out fiberglass cloth and other reinforcements like carbon fiber and Kevlar. It saturates the fabric well and cures into a strong, durable laminate.

Can fiberglass cloth be used on wood or metal?

Yes. With the right resin, fiberglass cloth bonds to wood, metal, foam, and cured fiberglass. Use epoxy for wood and metal, since it grips those substrates far better than polyester. Prep matters more than the cloth: sand to clean, bare material, remove all dust and oil, and wet out the surface before laying the cloth down.

What does the weight (oz) of fiberglass cloth mean?

The weight refers to ounces per square yard. Lighter cloth (e.g., 4oz) is more flexible and used for fine finishing; heavier cloth (e.g., 10oz) provides more strength and bulk.

How do I cut fiberglass cloth?

Use sharp scissors or a rotary cutter on a clean surface. To reduce fraying, run masking tape along the cut line and cut through the middle of the tape, and handle cut edges gently. Keep the cloth dry before layup, since moisture on the glass weakens the resin bond.

What is fiberglass cloth used for?

Fiberglass cloth is used to reinforce composite materials in applications like boat building, surfboard repairs, auto bodywork, and structural laminates. It’s combined with resin to form a strong, lightweight composite.

What’s the difference between fiberglass cloth and chopped mat?

Fiberglass cloth is woven for strength in specific directions, while chopped strand mat is made of randomly oriented fibers and is better for building bulk.