TAP Fiberglass Mat – For Molded Composite Projects

TAP Fiberglass Mat is a versatile, cost-effective reinforcing material made from short strands of glass fiber (approximately 2" long) bonded together with a special binder. This chopped strand mat is ideal for creating strength and thickness in fiberglass laminates, especially when building parts with complex shapes, compound curves, or irregular surfaces.

When saturated with polyester resin, the binder dissolves—transforming the stiff, dry mat into a soft, pliable material that drapes smoothly over contours and minimizes the need for cuts or reliefs. This unique behavior allows the fibers to move freely, conforming to shapes like automotive fenders, motorcycle fairings, boat hulls, custom panels, and molded components with ease—just like cooked spaghetti noodles, as demonstrated in our video tutorials.

Ideal Applications Across Industries:

• Automotive bodywork – repair or build fenders, bumpers, tubs, and racing panels

• Motorcycle fabrication – seat pans, fairings, and custom tanks

• Marine repair – patching or rebuilding boat hulls, decks, and bulkheads

• Custom enclosures and props – great for molded parts in set design, architecture, and theming

• Industrial tooling – backer layers in molds or plugs where weight and form complexity matter

• Composite laminates – used between fiberglass cloth or roving layers to enhance bond strength and build thickness

Key Features:

• Molds easily into compound curves when wet with polyester resin

• Builds laminate thickness efficiently for added rigidity and structural performance

• Improves bond strength when layered between woven fiberglass cloth or roving

• Economical and easy to work with for professionals and DIYers alike

• Should not be used with epoxy resin (binder is not soluble in epoxy)

???? For the best results, use a fiberglass mat roller to eliminate air pockets and excess resin, improving both the strength and surface finish of your lay-up.

Available Weights and Sizes:

TAP Fiberglass Mat is categorized by weight per square foot:

• ¾ oz/sq ft – Ideal for lightweight laminates or fine curves

• 1½ oz/sq ft – Most commonly used for general-purpose work

• 2 oz/sq ft – Great for heavy-duty applications and added stiffness

Roll Width: 38"
Roll Lengths:
• ¾ oz – 150 yards
• 1½ oz – 69 yards
• 2 oz – 75 yards
All rolls ship as one continuous length.

Order TAP Fiberglass Mat today and shape high-performance fiberglass parts with ease. For boat repair, custom bodywork, or molded projects, this is your go-to reinforcement layer for building strong, curved, and durable structures.