3M Bondo Fiberglass Resin Repair Kit, 00420, 0.45 Pint Each (Pack of 2) – All-in-One DIY Waterproof Multi-Surface Repair Solution for Automotive, Marine & Home Use

Bondo Fiberglass Resin Repair Kit is a DIY solution for fixing damaged surfaces in automotive, marine, and home applications. This all-in-one kit comes with everything you need to make lasting repairs – including 0.45 pint (8 fl oz) of liquid resin, cream hardener, fiberglass cloth, spreader, mixing stick, and tray. Use it to patch cracks, seal holes, or reinforce weak spots in fiberglass, metal, wood, and more, saving on the cost of expensive part replacements.The high-strength polyester resin creates a permanent 100% waterproof seal once cured. It bonds strongly to a variety of materials, making it ideal for fixing auto body panels, boat hulls, and even household items like fiberglass tubs or showers. Repairs harden in about two hours and can be sanded smooth. The cured resin is compatible with most paints, so you can paint over the patch for a virtually invisible finish that blends with the surrounding surface.Designed for ease of use, the Bondo Fiberglass Resin Repair Kit is suitable for both first-time DIYers and experienced users. Simply mix the liquid resin with the included cream hardener using the tray and stick, then saturate the fiberglass cloth and apply it over the damaged area. The resin spreads evenly without sagging, conforming to the shape of the repair. As it cures, it forms a rigid, durable patch that resists water and harsh weather conditions.Whether you need to repair a rusted-out section on a car, mend a crack in a fiberglass boat, or fix rotted wood outdoors, this 3M Bondo kit delivers trusted performance. It offers a cost-effective alternative to professional repairs or part replacements, backed by 3M’s expertise in auto body repair products. Tackle your repair projects with confidence, knowing this fiberglass resin kit will restore strength and stability to damaged areas for the long term.

• Complete All-in-One Kit: Do-it-yourself fiberglass repair kit for cars, boats, and more – includes liquid resin, cream hardener, fiberglass cloth, mixing tray, stick, and spreader; everything needed to patch holes, cracks, or scratches
• 100% Waterproof & Strong Bond: High-strength polyester resin creates a permanent, waterproof seal for long-lasting repairs – bonds to fiberglass, metal, wood, and concrete for reliable adhesion on automotive, marine or household surfaces
• Fast Cure, Sandable Finish: Fast-curing formula sets in about 2 hours, allowing quick project turnaround – so you can finish repairs the same day. Once cured, the patch can be sanded smooth and painted to match the surrounding surface for a seamless blend
• Versatile & Cost-Effective: Suitable for damage ranging from small cracks to larger holes – ideal for automotive restoration and home DIY projects. Save money by fixing damaged fiberglass tubs or rusted car panels yourself at a fraction of the cost
• Easy to Mix & Apply: Simply mix the liquid resin with the included cream hardener and saturate the fiberglass cloth. The professional 3M formula spreads evenly without sagging and cures consistently with a strong bond