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Sika

Sika Biresin AP077 White Polyester Filler & Fairing Compound with BPO Hardener – Fast Cure, Easy Sanding, High Adhesion for Marine & Fiberglass Repairs

Sika Biresin AP077 White Polyester Filler & Fairing Compound with BPO Hardener – Fast Cure, Easy Sanding, High Adhesion for Marine & Fiberglass Repairs

SKU:92144

Regular price $192.97 USD
Regular price Sale price $192.97 USD
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Free standard shipping is available on all orders shipping within the Contiguous United States, with no minimum order. Alaska and Hawaii are excluded from free shipping. Orders are typically processed within 1–2 business days. See our Shipping Policy for complete terms.

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Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

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SikaBiresin AP077 White Gallon BPO Hardener Required

SikaBiresin AP077 is a polyester filler and fairing compound that offers the user a smooth workable paste with a set fast cure to expedite those applications for repair or finish. It is easier to sand than conventional fillers and can be finished to a feather edge. This material can be easily applied with a squeegee, spatula, or flat tool, and once cured will accept virtually all types of coatings and decorative films.

Features:

  • Exceptional adhesion
  • Very quick setting
  • Minimal shrinkage

Usage:

SikaBiresin AP077 can be used in the following applications: gel coat blister repair, fiberglass parts repair, and filling cloth imprint on FRP panels. This material has excellent adhesive and bond strength to fiberglass, SMC, FRP, epoxy, graphite, and Kevlar composites as well as aluminum, wood, and other substrates.

Advantages:

  • Exceptional adhesion
  • Very quick setting
  • Minimal shrinkage
  • High service temperature
  • Excellent finishing and machinability
  • Accept virtually all types of finishes
  • Low moisture absorption for above or below waterline applications

The Sika Biresin AP077 is a premium polyester filler and fairing compound designed for professional marine, fiberglass, and composite repairs. Ideal for boat builders, repair technicians, and DIY enthusiasts, this high-performance product provides a smooth, workable paste with rapid curing to streamline repair projects and enhance surface finishing. Its quick set time significantly reduces downtime, allowing for faster progression from application to sanding and finishing. Once cured, Sika Biresin AP077 accepts virtually all types of coatings and decorative films, making it a versatile choice for a wide range of substrates and repair scenarios.

This product offers excellent adhesion to fiberglass, SMC, FRP, epoxy, graphite, Kevlar composites, aluminum, wood, and other materials. Its minimal shrinkage ensures a seamless, professional finish, particularly advantageous for gel coat blister repair, fiberglass part restoration, and filling cloth imprints on FRP panels. Its high service temperature and low moisture absorption make it suitable for above or below waterline applications, providing durability and stability in demanding environments. Application is straightforward using a squeegee, spatula, or flat tool, and the cured surface is easy to sand, machinable, and ready for subsequent coatings. Designed for repair professionals and serious DIYers, Sika Biresin AP077 ensures a reliable, high-quality finish in a broad array of composite repair projects.

**Key Features:**

  • Exceptional adhesion to a variety of substrates for durable repairs
  • Very quick setting time to accelerate project timelines
  • Minimal shrinkage for seamless surface finishing
  • High service temperature for demanding applications
  • Easy to sand, finish, and accept all types of coatings
  • Suitable for above and below waterline repairs, with low moisture absorption

    Features:

  • Exceptional adhesion to fiberglass, composites, metal, and wood ensuring reliable bond strength
  • Rapid curing reduces repair time and accelerates project completion
  • Minimal shrinkage provides smooth, professional surface finishes
  • High-temperature resistance suitable for demanding environments
  • Easy to sand and finish, compatible with a wide range of coatings
  • Ideal for boat, marine, and fiberglass repairs both above and below waterline
Truck Freight: No
Oversized: No

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