Quick Summary
The 3M Bondo Fiberglass Repair Kit is a two-kit set for patching holes, cracks and rust-outs. Each kit contains 0.9 quart of polyester resin, along with hardener, fiberglass cloth and mixing tools.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Pack | Two repair kits. |
| Resin | Each kit contains 0.9 quart of polyester resin. |
| Included components | Liquid hardener, fiberglass cloth, plastic spreader, mixing stick and mixing tray in each kit. |
| Listed bonding materials | Metal, fiberglass, wood and concrete. |
| Repair examples | Holes, cracks and rust-outs on cars, boats and tubs. |
| Body repair system role | Described as the fill stage of the 3M Body Repair System, before primer and paint. |
What to Compare Before Buying
- Repair surface: Check whether the material you plan to repair is among the listed bonding materials.
- Repair type: The stated uses include holes, cracks and rust-outs. Confirm that your project is the type of patch repair described.
- Working time: After the resin and hardener are mixed, the working time is 8-12 minutes. Consider whether that timing suits your project.
What Is Included
Each of the two kits contains 0.9 quart of polyester resin, liquid hardener, fiberglass cloth, a plastic spreader, a mixing stick and a mixing tray. The description does not identify additional components, so check the selected package if you are expecting anything beyond these items.
How It Works
Once the resin and hardener are mixed, the working time is 8-12 minutes. The patch hardens for shaping, sanding and painting the same day. Follow the package instructions for mixing and handling.
Before You Decide
Confirm the repair material and type, the two-kit quantity, and whether the 8-12-minute working time fits your project. Follow the package instructions when preparing and using the resin and hardener.





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