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3M Bondo Fiberglass Repair Kit, 2-Pack, 0.9 Quart Each

$76.99 (Price correct as of 10/29/2026 19:11 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Each 3M Bondo fiberglass repair kit in this 2-pack contains 0.9 quart of polyester resin, liquid hardener, fiberglass cloth, a spreader, mixing stick and tray. After mixing, working time is 8-12 minutes, and the patch hardens for shaping, sanding and painting the same day. Check that the materials and timing fit your project, and follow package instructions.

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SKU: B0923BD4L7 Category:

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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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