Bondo Fiberglass Resin 404, 0.9 Gallon, 2/Case

• 100% WATERPROOF creates strong, durable seal for concrete, showers, boats, and more
• BONDO® CLEAR LIQUID Hardener included
• DESIGNED TO USE on fiberglass, metal, wood, and masonry surfaces
• FILL STAGE of 3M Body Repair System
• INTERIOR OR EXTERIOR use
• MIXES TRANSLUCENT LIGHT BROWN when liquid hardener drops and resin are mixed thoroughly and ready to use
• PAINTABLE FORMULA is compatible with most paints and gel coats
• SANDABLE in 2 hours
• SEAL CRACKS, REPAIR BREAKS, and recreate or join surfaces for auto, boat, and home applications
• TWO-PART FORMULA creates extremely strong chemical bond to surfaces
• USE WITH BONDO® Fiberglass Cloth or Mat for larger repairs and long-term strength
• WORKABLE for 8-12 minutes once resin and hardener drops are mixed together

TBD Bondo Liquid Resin for Fiberglass is a high-strength polyester resin that can be used with fiberglass mats or cloths on surfaces including fiberglass, metal, wood, and masonry. This all-purpose material is used to repair breaks, and recreate or join surfaces. It can also be used by itself as a wood or concrete sealer. The 100% waterproof, two-part resin includes clear liquid hardener and can be used to repair cars, trucks, pools, showers, boats and more.

Bondo Fiberglass Resin 404

Bondo Fiberglass Resin 404 is a trusted product designed for strong repairs. This 0.9 gallon resin comes in a 2/case pack, making it convenient for multiple projects or larger jobs.

The brand Bondo is known for quality, and this model includes a clear liquid hardener. It’s part of the 3M Body Repair System, ensuring compatibility with other repair materials.

Waterproof Durable Seal

This resin creates a 100% waterproof seal that’s perfect for concrete, showers, boats, and more. Its durable bond helps protect surfaces from water damage and wear.

Because it’s waterproof, you can confidently use it on both interior and exterior surfaces. This makes it ideal for repairs that need to last in wet or humid environments.

Versatile Surface Compatibility

The resin is designed to work on fiberglass, metal, wood, and masonry surfaces. This versatility means you can use it for a wide range of repair tasks around your home or vehicle.

It also mixes translucent light brown when ready, helping you see when the resin and hardener are properly combined. This feature supports accurate application and effective results.

Paintable And Sandable Finish

Once cured, the resin is paintable and compatible with most paints and gel coats. This allows you to finish repairs with a smooth, professional look that blends well with surrounding surfaces.

It sands in just 2 hours, so you can quickly move on to finishing steps. This fast turnaround helps speed up your repair projects without sacrificing quality.

Two-Part Formula Pack

The 0.9 gallon size comes in a 2/case format, including the resin and BONDO® clear liquid hardener. This two-part formula creates a strong chemical bond for reliable repairs.

It works well with BONDO® Fiberglass Cloth or Mat for larger repairs, providing long-term strength. The workable time of 8-12 minutes after mixing gives you enough time to apply it properly.