Bondo 404 Fiberglass Repair Resin is a high-strength polyester resin engineered for automotive, marine, and general repair work. Whether you’re patching a fiberglass boat hull, repairing rust-outs in metal panels, or sealing damaged wood and concrete, this versatile resin delivers a strong, durable bond that lasts.
This fiberglass resin works excellently on its own or reinforced with fiberglass mats, cloths, or Bondo fiberglass tape for added strength. It bonds to multiple surfaces including fiberglass, wood, metal, and masonry, making it ideal for snowmobiles, jet skis, bathtubs, showers, and countless other applications. The resin accepts nearly any paint system, including gel coat and marine paints.
Features and Benefits
- Multi-Surface Adhesion: Bonds securely to fiberglass, wood, metal, and masonry for versatile repairs across boats, automotive panels, bathtubs, and more.
- Flexible Application: Use alone as a sealer or combine with fiberglass tape, mat, or cloth for reinforced, high-strength repairs on rust-outs and structural damage.
- Sandable Finish: Becomes sandable in less than two hours, allowing you to prepare the repair surface for finishing.
- Paint Compatible: Accepts nearly any paint system for seamless repair results.
- Waterproof: Provides lasting protection against moisture and environmental exposure.
Specifications
- Brand: Bondo
- Model: 404
- Volume: 0.9 gallon
- Type: Polyester fiberglass resin
- Compatible Surfaces: Fiberglass, wood, metal, masonry, concrete
- Sandable: In less than 2 hours
- Paint Compatibility: Nearly any paint system
- Waterproof: Yes
