FGCI 38" XM1708 Double Bias Fiberglass Fabric

Model # 24258113 Mfg # 137835
5 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
FGCI 38" XM1708 Double Bias Fiberglass Fabric image number 0
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FGCI 38" XM1708 Double Bias Fiberglass Fabric
Model # 24258113 Mfg # 137835
5 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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FGCI 38" XM1708 Double Bias Fiberglass Fabric

Looking for a strong, dependable fiberglass fabric for your next project? 38" XM1708 Double Bias Fiberglass Fabric is a popular choice for boat builders, repair professionals, and DIY enthusiasts who need reliable strength and easy handling. Made with 17 oz ±45° stitched fiberglass and a ¾ oz chopped strand mat attached to one side, this fabric creates a thick, durable laminate that's perfect for structural repairs and new composite builds. The stitched design allows resin to soak in quickly, helping reduce air bubbles and making your layup smoother and more efficient. Whether you're repairing a boat hull, reinforcing a deck, or building custom fiberglass parts, XM1708 is designed to help you get long-lasting, professional-quality results.

Key Features

  • Built for Strength – Heavy-duty 1708 fiberglass delivers outstanding structural reinforcement and long-lasting durability.
  • Fast & Easy Wet-Out – Stitched construction allows resin to penetrate quickly, reducing air bubbles and helping you achieve a smooth, professional finish.
  • Perfect for Marine Repairs – Ideal for boat hulls, decks, transoms, stringers, and other high-strength fiberglass repair and construction projects.
  • Versatile Performance – Compatible with both polyester and vinylester resins for hand lay-up, spray-up, and vacuum bagging applications.
  • Trusted by Pros & DIYers – A reliable choice for marine, automotive, industrial, and general composite fabrication where strength and quality matter.

Application Method Applicator
Best Use Boat hull repairs – Restores structural integrity to damaged hulls, transoms, stringers, and keels. Deck and floor reinforcement – Strengthens soft or weakened decks and cockpit floors. Transom and stringer construction – Provides high shear strength and stiffness for critical structural components. Fiberglass boat building – Ideal for laminating hulls, bulkheads, and other load-bearing parts. Composite mold construction – Builds durable molds and tooling with fewer layers than lighter fabrics. Automotive and motorsport parts – Reinforces custom body panels, floors, and structural composite components. Industrial and commercial repairs – Repairs fiberglass tanks, equipment housings, ducts, and panels. Marine and general composite fabrication – Suitable for custom fiberglass boxes, platforms, hatches, and other heavy-duty parts.
Capacity Roll
Case Sold By the Roll
Clip No Clip
Coverage For this fabric: Width = 38 inches = 3.17 feet Every 1 linear foot covers approximately 3.17 sq ft Every 1 linear yard covers approximately 9.5 sq ft Keep in mind that actual coverage may be slightly less due to: Overlapping seams (typically 2–4 inches) Trimming around edges and curves Waste during cutting and fitting For planning boat repairs or composite layups, it's common to order 10–15% extra material to account for overlaps and waste.
Cure Time N/A
Height 38 Inch
Length 38.0 Inch
Recommended Usage This fabric is ideal when you need: High structural strength Thick, durable laminates Fast resin wet-out Strong multidirectional reinforcement It is less suited as a final cosmetic layer, since the chopped strand mat produces a rougher surface. For a smooth finish, it's commonly covered with a lighter fiberglass cloth or a surface veil before applying gelcoat or paint.
Type Fiberglass
Weight 84 Pound
Width 11 Inch

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