The best automotive body repair putty you can buy

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AI-generated summary · updated September 29, 2026 · verify details before purchase.

1. 

   1 Best overall Evercoat

   Evercoat Formula 113 Fiberglass Repair Putty

   ★★★★☆4.5/5 $46.94 Only 19 left

   A high-quality, two-part putty for repairing fiberglass and metal surfaces. It is known for its strong bonding and durability.

   • Strong bonding
   • Easy to mix
   • Durable

   • High cost

   View on Amazon manufacturer site
2. 

   2 Best for large repairs 3M

   3M Bondo Fiberglass Reinforced Body Filler

   ★★★★☆4.5/5 $21.79

   A high-strength, fiberglass-reinforced putty ideal for large repairs on metal, fiberglass, and wood surfaces.

   • High strength
   • Flexible
   • Water resistant

   View on Amazon manufacturer site
3. 

   3 Best budget pick Permatex

   Permatex Ultra Bond Black Plastic Repair

   ★★★★☆4.3/5 $9.57

   A versatile, two-part epoxy-based putty suitable for various plastic and metal repairs.

   • Easy to use
   • Fast curing
   • Affordable

   • Not suitable for large repairs

   View on Amazon manufacturer site
4. 

   4 Best for flexible repairs SEM

   SEM 40701 Flexible Repair Material

   ★★★★☆4.4/5 $69.99 Only 15 left

   A flexible, two-part polyurethane putty for repairing flexible and moving parts like bumpers and moldings.

   • Flexible
   • Waterproof
   • Adheres well

   • Slow curing

   View on Amazon
5. 

   5 Best for fiberglass repairs TotalBoat

   DUPLI-COLOR Fiberglass Repair Putty

   ★★★★☆4.3/5 $39.99

   A two-part putty designed specifically for repairing fiberglass boats, cars, and other surfaces.

   • Specifically designed for fiberglass
   • Easy to mix
   • Strong bond

   • Limited application

   View on Amazon
6. 

   6 Best for marine repairs U.S. Chemical & Plastics

   US Chemical 2-Part Premium Marine Repair Putty

   ★★★★☆4.4/5 $23.76

   A high-quality, two-part putty ideal for marine fiberglass and metal repairs, offering superior strength and durability.

   • High strength
   • Corrosion resistant
   • Flexible

   • Expensive

   View on Amazon

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