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Bondo Fiberglass Resin Repair Kit, 00420, 0.45 Pint
Key item features
- DIY Repair Kit: EASY DO-IT-YOURSELF KIT to repair holes and scratches on automobiles, boats and more
- Waterproof Seal: 100% WATERPROOF seal for long-lasting, durable repairs
- Versatile Formula: STRONG AND VERSATILE FORMULA for multiple surfaces including concrete, wood, fiberglass, and metal
- Quick Sanding: Sandable in under 2 hours
- Complete Kit: Includes everything that is needed for the DIYer - fiberglass resin, liquid hardener, plastic spreader, fiberglass cloth, mixing stick and mixing tray
- Multiple Uses: Ideal for many repair projects, such as auto body repair, tubs, showers (non plastic), hot tubs, sealing concrete or wood, boats and other water craft, rust outs in metal, and large holes or cracks
- Cost-Effective: Do-it-yourself repair at a fraction of the time and cost
- Paintable Finish: When cured has a large translucent light brown color and is paintable
Generated by AI
Specs
- Automotive body filler & patch typeFiberglass
- FeaturesWaterproof
- Manufacturer3M
- MaterialPolyester Resin
- SizeM
- Rec. useAutomotive
Current price is USD$25.97
Price when purchased online
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Youngstown, 44505
Arrives by Sun, Feb 1
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$22.97
Shipping, arrives by tomorrow to Youngstown, 44505
Sold by fatboy tools llc
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Free 90-day returns
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About this item
Product details
Bondo Fiberglass Repair Kit is a do-it-yourself solution for easy and effective auto body repair. Users can repair cracked, broken or rusted automobile body components quickly, easily and at a fraction of the cost versus part or panel replacement. The kit includes resin and hardener for a permanent, 100% waterproof seal that hardens in as little as two hours and is compatible with most paint.
- EASY DO-IT-YOURSELF KIT to repair holes and scratches on automobiles, boats and more
- 100% WATERPROOF seal for long-lasting, durable repairs
- STRONG AND VERSATILE FORMULA for multiple surfaces including concrete, wood, fiberglass, and metal
- Sandable in under 2 hours
- Includes everything that is needed for the DIYer - fiberglass resin, liquid hardener, plastic spreader, fiberglass cloth, mixing stick and mixing tray
- Ideal for many repair projects, such as auto body repair, tubs, showers (non plastic), hot tubs, sealing concrete or wood, boats and other water craft, rust outs in metal, and large holes or cracks
- Do-it-yourself repair at a fraction of the time and cost
- Repairs large holes or cracks
- When cured has a large translucent light brown color
- Paintable
- WORKABLE for 8-12 minutes once resin and hardener drops are mixed together
- FILL STAGE of 3M Body Repair System
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Specifications
Automotive body filler & patch type
Fiberglass
Features
Waterproof
Manufacturer
3M
Material
Polyester Resin
Directions
Instructions
. Directions for Use (Read all directions and warning for proper application):. 1. Clean repair area with acetone or warm, soapy water to remove all dirt, grease, oil and contaminants. Let dry completely. 2. Cut away damaged area and loose pieces. Sand the surface with 3M™ Sandpaper 80 grit to remove all primer, paint, rust, or gel-coat. Sand 1-2 inches beyond damaged area should be repaired for added strength. Depress or slightly bend the edges of solid metal inward. Remove all dust created from sanding with a dry cloth or compressed air. Re-clean the surface as in Step 1. 3. Pre-cut several pieces of Fiberglass Cloth to 1 inch larger than hole. Wearing gloves is recommended for the next steps. 4. Mixing tips: Working life of mixed resin is approximately 8-12 minutes at 75°F. Mix in small amounts. Mixing large amounts at one time will reduce the working time of the mixed resin. Never mix hardener in the resin bottle. Do not mix the entire container with liquid hardener. Mixed Bondo® Fiberglass Resin with Bondo® Fiberglass Resin Liquid Hardener in the mixing tray supplied. Do not use waxed cup. Use a push pin or thumbtack to open the hardener tube. Scrape sides and bottom of tray to ensure thorough mixing. Mix as follows: Mix resin and hardener in mixing tray supplied. Estimate amount of resin needed to saturate Fiberglass Cloth. Ratio of resin to hardener is as follows: For 1 ounce of resin, add 10 drops of hardener or 6 tablespoons of resin with ¼ teaspoon of hardener. Make small batches at a time and mix more as needed. 5. Brush a coat of mixed resin on the damaged area extending 2-3 inches beyond repair. Place the first layer of Fiberglass Cloth onto mixed resin. Use paint brush to saturate the cloth with mixed resin. A dabbing motion will help saturate the cloth and remove any air pockets. Continue applying additional layers of cloth and mixed resin as needed while the first application is still sticky or wet. If the surface dries hard and is no longer sticky, sand with 3M™ Sandpaper 80 grit before applying additional layers of mixed resin and cloth. Follow the same procedure if both sides are being repaired. 6. Allow material to cure, approximately 2 hours at 75°F. Curing will take longer at cold temperatures. Once cured, sand repaired area with 3M™ Sandpaper 80 grit. Option: To return the contour or to smooth out low areas in the surface, use a layer of Bondo® Body Filler. 7. Feather the edge of the repaired area with 3M™ Sandpaper 180 grit to blend the repair into the undamaged surface. 8. The surface is now ready for paint, primer or gel coat, per the manufacturers' recommendation. . 9. While resin is still wet, clean paint brush or tools with acetone or lacquer thinner. . 10. Do not put mixed, unused resin back into the container. It will harden the rest of the contents.
Safe Handling Instructions
FIBERGLASS RESIN: WARNING. FLAMMABLE LIQUID AND VAPOR. Vapor harmful. May irritate eyes, nose and throat and cause dizziness, headache or nausea. Contains a chemical which can cause cancer. HARDENER: DANGER. OXIDIZER. CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE. CAUSES EYE, SKIN, AND DIGESTIVE TRACT BURNS. MAY BE HARMFUL IF SWALLOWED OR INHALED. May irritate nose and throat. . PRECAUTIONS: Keep from contact with clothing and other combustible materials. Store in tightly closed container. Vapor may cause flash fire. Keep away from heat, sparks, flame and sources of static discharge. Do not get in eyes, on skin or clothing. Avoid breathing dust or vapor. Use only with adequate ventilation. Do not swallow. Wear eye and face protection. Goggles are recommended for eye protection. Wear suitable gloves and protective clothing. Wash thoroughly after handling. Close container after each use. FIRST AID INFORMATION: INHALATION: Remove person to fresh air. If you feel unwell, get medical attention. SKIN CONTACT: Immediately flush with large amounts of water for at least 15 minutes. Remove contaminated clothing. Get immediate medical attention. Wash clothing before reuse. EYE CONTACT: Immediately flush with large amounts of water for at least 15 minutes. Remove contact lenses if easy to do. Continue rinsing. Immediately get medical attention. IF SWALLOWED: Do not induce vomiting. Call physician immediately. KEEP OUT OF REACH OF CHILDREN. CONTAINS: FIBERGLASS RESIN: Polyester Polymer; Styrene Monomer (100-42-5); Silica (7631-86-9). LIQUID HARDENER: Dimethyl Phthalate (131-11-3); Methyl Ethyl Ketone Peroxide (1338-23-4); . 2,2,4-Trimethyl-1,3-Pentanediol Diisobutyrate (6846-50-0); Methyl Ethyl Ketone (78-93-3); Hydrogen Peroxide (7722-84-1); Water (7732-18-5)
Warranty
Warranty information
1 year easy exchange warranty directly thorough AutoPartsWAY. Additional manufacturer warranty may be available through the manufacturer directly.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warranty url
Ingredients
Ingredients
Contains: Fiberglass Resin: Polyester Polymer; Styrene Monomer (100-42-5); Silica (7631-86-9). Liquid Hardener: Dimethyl Phthalate (131-11-3); Methyl Ethyl Ketone Peroxide (1338-23-4); 2,2,4-Trimethyl-1,3-Pentanediol Diisobutyrate (6846-50-0); Methyl Ethyl Ketone (78-93-3); Hydrogen Peroxide (7722-84-1); Water (7732-18-5).
Warnings
State Chemical Disclosure
No
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Showing 1-3 of 78 reviews
Nov 15, 2025
tedibearjeff
Item details
Sold byfatboy tools llcDelivered byWalmartSize: M
5 out of 5 stars review
Verified Purchase
All in one Fiberglass repair Kit
This is a reasonably priced kit for small fiberglass repairs. Use 10-15 drops of the hardener to one ounce of resin to get medium drying time. 10 drops in my case took several hours to set, amnd 10-24 hrs to dry.
Helpful?2Z4GK4L9YVFA17056867
Feb 15, 2017
BillyBob47
5 out of 5 stars review
Verified Purchase
Works as advertised
I used this to repair my fiberglas shower stall. It was easy to apply with detailed instructions. After applying I let it dry for 3 days before painting (although the instructions said only three hours was needed). I applied oil-based paint and waited 24 hours before getting water on it. I thought it was going to be just a temp fix. It's been three weeks of five showers per day for my family and it's still holding up. It's a permanent fix!
Helpful?2Z4GK4L9YVFA17056867
Jul 10, 2016
Canuck66
5 out of 5 stars review
Verified Purchase
Complete success
Used this patch kit to heal a cracked lower bumper cover on Ford Explorer. Watched a video on how to use fiberglass resin and the patch is very strong and very satisfactory. Just follow the directions.
Helpful?2Z4GK4L9YVFA17056867
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