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

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