1808 Biaxial Fiberglass

SKU:FG-B180850-01

$8.92 USD

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95 in stock

Width: 50"

50"

Length: 1 Yard

1 Yard 3 Yards 10 Yards Full Roll (Approx. 52 yards)

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Strong, multidirectional reinforcement. Ideal for marine repairs and laminating, this 1808 biaxial fiberglass features 18 oz stitched fabric with 0.75 oz mat backing.

1808 stacks 0/90 stitched glass (about 18 oz) over a 3/4 oz chopped strand mat backer, so one ply lays down a thick, structural laminate with fast wet-out. Run it on hull and deck repairs in polyester or epoxy. Walkthrough here: how to use biaxial fiberglass in boat repair.

Specifications

Biaxial Fabric – This stitch-bonded, non-crimp reinforcement combines unidirectional warp (0°) and weft (90°) fibers for enhanced stiffness without adding weight or laminate thickness. Ideal for high-performance structural laminates, biaxial fabric is commonly used in boat hulls, trailer panels, wind turbine blades, sports gear, and bridge decks.

Each roll includes 18 oz biaxial cloth with a ¾ oz chopped strand mat backing. Roll dimensions: 50″ wide × approximately 100 yards long. Sold by the roll.

Includes

1808 Biaxial Fiberglass by the yard

Features

0°/90° Biaxial Layup: High stiffness in both longitudinal and transverse directions.
Integrated Mat Backing: ¾ oz chopped-strand mat enhances resin adhesion.
Stitch-Bonded & Non-Crimp: Delivers strength without fiber distortion.
Epoxy-Compatible: Binder-free mat stitches ensure proper wet-out with epoxy.
Efficient Strength Build-Up: Heavy fabric provides bulk and structural reinforcement in fewer layers.
Great for Flat or Slightly Curved Surfaces: Best suited for panels, bulkheads, decks, and high-load areas.

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Technical Specifications

E-Glass (stitched)Stitched 0°/90° + CSMWorks with Epoxy, Polyester, Vinyl Ester

MaterialE-Glass (stitched)

Industry Style #LTM 1808

Weight18 oz/yd² (+ ¾ oz mat)

Weave / ConstructionStitched 0°/90° + CSM

Fiber Orientation0°/90° (stitched)

Thickness0.048"

Available Widths50"

Full Roll Lengthapprox. 52 yd

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

Compatible ResinsEpoxy, Polyester, Vinyl Ester

Best ForHeavier biaxial (+ mat) for structural build

Compare Fabrics

Product	1808 Biaxial FiberglassYou're viewingfrom $8.92	1208 Biaxial Fiberglassfrom $11.44	1708 Biaxial Fiberglassfrom $9.95	DB170 – 17oz Biaxial Fiberglass Cloth (No Mat)from $9.95
Material	E-Glass (stitched)	E-Glass (stitched)	E-Glass (stitched)	E-Glass (stitched)
Style	LTM 1808	DBM 1208	DBM 1708	DB 170
Weight	18 oz/yd² (+ ¾ oz mat)	12 oz/yd² (+ ¾ oz mat)	17 oz/yd² (+ ¾ oz mat)	17 oz/yd² (no mat)
Weave	Stitched 0°/90° + CSM	Biaxial stitched + CSM	Biaxial stitched + CSM	Biaxial stitched, no mat
Orientation	0°/90° (stitched)	±45° (double bias)	±45° (double bias)	±45° (double bias)
Thickness	0.048"	0.037"	0.044"	0.030"
Widths	50"	50"	50"	50"
Full Roll	approx. 52 yd	approx. 67 yd	approx. 52 yd	approx. 50 yd
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	Heavier biaxial (+ mat) for structural build	Stiff biaxial build with mat for quick wet-out	Workhorse marine biaxial (+ mat) for hull and transom	Biaxial strength without mat (cleaner, lighter)
	Selected	View	View	View

What To Expect When You Order Fabric Rolls

What is 1808 Biaxial Fiberglass?

1808 is a heavy-duty stitched fiberglass fabric made of two layers of 18 oz ±45° biaxial fabric with a ¾ oz chopped strand mat (CSM) backing. It provides excellent multidirectional reinforcement for structural applications.

What is the difference between 1708 and 1808 biaxial fiberglass?

The number refers to the weight: 1708 is 17 oz stitched fabric with an 8 oz chopped strand mat backing. 1808 is similar but with 18 oz stitched fabric. The mat backing improves bond strength with polyester resin.

What are typical applications for biaxial fiberglass?

It’s used in marine repairs, boat hulls, surfboards, structural panels, and any application where multi-directional strength is needed.

What is the benefit of using biaxial fiberglass over woven cloth?

Unlike woven cloth, biaxial fiberglass is stitched, not woven, so it lays flatter, wets out faster, and provides superior load distribution without crimped fibers.

What types of resins are compatible with biaxial fiberglass?

Biaxial fabric works well with polyester, vinyl ester, and epoxy resins. Be sure to choose the right resin system for your project and material compatibility.