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🛠️ Fix it once, fix it right — waterproof strength meets pro-grade precision!
3M Bondo Fiberglass Resin 0.9 Pint is a waterproof, low-viscosity liquid resin designed for repairing, resurfacing, and rebuilding metal, wood, fiberglass, and masonry surfaces. It includes a liquid hardener for precise mixing and is compatible with all paints, including marine-grade finishes. Ideal for the Fill stage of the 3M Body Repair System, this resin delivers durable, long-lasting bonds perfect for automotive and boat restoration projects.

















| ASIN | B0002KKIZ0 |
| Best Sellers Rank | #6,246 in Automotive ( See Top 100 in Automotive ) #21 in Body Repair Putty |
| Brand | 3M |
| Brand Name | 3M |
| Color | Amber |
| Compatible Material | Concrete, Fiberglass, Wood |
| Container Type | Tube |
| Customer Reviews | 4.6 out of 5 stars 646 Reviews |
| Global Trade Identification Number | 00076308004019 |
| Included Components | 3M 401 Bondo Fiberglass Resin - 0.9 Pint |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | ACCESSORIES |
| Item Weight | 1.3 Pounds |
| Manufacturer | 3M |
| Material | Plastic |
| Material Type | Plastic |
| Model | 401 |
| Other Special Features of the Product | Creates Long Lasting Bonds For Auto And Boat Restoration And Repair Projects |
| Part Number | 401 |
| Special Feature | Creates Long Lasting Bonds For Auto And Boat Restoration And Repair Projects |
| Specific Uses For Product | Rust Repair |
| UPC | 076308004019 |
| Unit Count | 14.4 Fluid Ounces |
| Viscosity Level | Low |
| Volume | 0.9 Pints |
| Warranty Description | LIMITED WARRANTY |
| Water Resistance Level | Waterproof |
D**.
Excellent product, easy to use and cleanup is a breeze.
Fiberglass repair is a pain to do. In my case, a very large thick (i.e. 200 lbs.) block of ice off edge of high roof came down, hit a bird feeder, turned 90 degrees to house and landed on my upside-down canoe breaking the surface in several places. Used Bondo fiberglass repair with short fiberglass threads for the two biggest breaks. Used this product for the others and for final surface coat over the two biggest breaks. This product was exactly what I needed and did the job extremely well. After final sand and thorough drying, I used a color restorer on my red canoe. Where I had used this product (clear), the repairs are barely noticeable. Of course, the gray Bondo with fiberglass threads looks terrible, but clear was not available at the time. This clear Bondo resin was far and away the best fiberglass repair product I have ever used. On the inside of the canoe, it will do the job and be barely noticeable.
W**K
Goo dun good
Bondo be bonding, yo. Capped the bottom of a newly usually sledge handle recently finished in a penetrating oil; no tape or other masking measures used. Oily residue created no issues with product bonding to oily wood and metal surfaces. All in place after 15-20 full force swings into large rocks. Have many smaller rocks and a handle that won't be wicking moisture into the split end grain causing premature damage. Smells like you don't want to have around while it dries but that's a boring show anyway!
B**R
Fiberglass resin
Great product and I only needed a small quantity an this was priced right
R**D
Works great, product not easy to measure the correct mix of epoxy
Product worked great. The only problem is that there is not an easy way to measure the correct mix of the resin and the fixer.
B**N
Exactly what I was looking for. Great product
Perfect! I learned that you can mix this with a little bondo and it forms the perfect topcoat for large 3D printer sculptures
P**N
Good stuff
Great price
M**.
Hardener to resin ratio/mixture is VERY important
Great product!!! No doubt…Pay close attention to the mixture of resin to hardener.
N**E
Great purchase, as described! Fast shipping!
Great purchase, as described! Fast shipping!
Trustpilot
3 weeks ago
1 month ago