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Clear Interior/Exterior Fiberglass resin repair 28.7 Fluid ounce(s)

Ratings & Reviews for Bondo Clear Interior/Exterior Fiberglass resin repair 28.7 Fluid ounce(s)

4.2
145
Review
 4.2 out of 5
144 Reviews


87% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

This fiberglass resin product has mixed reviews. Some customers reported issues with the resin not curing or hardening properly, even when following instructions. Others mentioned the resin becoming tacky and gumming up sandpaper, or running and ruining surrounding surfaces. However, many customers who properly prepared the surfaces and mixed the resin and hardener according to instructions had successful results, finding the resin easy to work with and producing strong, durable repairs. Overall, this product requires careful attention to mixing and application to achieve the desired results, but can be an effective fiberglass repair solution when used correctly.

Customer review summary generated by AI, including incentivized reviews.
144 Customer Reviews

It works

Would Recommend
May 27, 2026
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Extremely easy to use

Would Recommend

This is a great product. It fixed a crack in our irrigation pipe

May 15, 2026
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Worked very well

Would Recommend

I used this product on kid's bath tub around drain area, after applying product i sand just as instructions said. Then replaced the plumbing for the drain and no more leaks. A big thumbs up for this product.

May 4, 2026

From 3m.com

Works as intended

Would Recommend

I used this to repair a fiberglass car headliner. Mixing instructions were clear and easy to follow. I would suggest getting a cheap throwaway brush and plastic measuring container to use for a project involving this stuff, and toss if afterwards. It was dry to the touch on my back porch in 85F weather in 3 hours. Smell took about 5 days to full dissipate. Finished product is thick and tough to sand. I needed it to thicken up the frayed ends of my headliner and it did just that. A bit pricey, ...

May 3, 2026
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Just Right

Would Recommend

Works fine, and it dries quickly, strong and hard.

April 24, 2026
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It’s 3M

Would Recommend

Used it for years. Reliable product

April 24, 2026
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Dried pretty quickly. Overnight to be completely d

Used it in conjunction with fiberglass sheet to cover area on trailer. Worked great.

April 16, 2026
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Must have for fiberglass work

Would Recommend

The only way to go when you are working with fiberglass

April 12, 2026
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Great for hard tonneau cover repair

Would Recommend

Worked great at repairing cracked/damaged areas of my aluminum tonneau cover.

February 20, 2026
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Not used yet

Haven't used material yet

January 21, 2026
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Can't put the mix ratio on the can

Would Not Recommend

Im not scanning your stupid qr code or going to your stupid website just to figure out how to use your stupid product

November 28, 2025
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Dropped off at wrong house

Would Not Recommend

No idea if the product is good because it wasn’t delivered to the right house

November 9, 2025
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Fantastic on wood

Would Recommend

I repurposed some old decking that was headed for the dump, and built 4 outdoor benches for our cabin in the woods. I wanted a finished bench surface that was waterproof, easy to clean and dry, and weather proof to resist rot. My wife and I quickly mixed the entire 1qt can plus hardener then applied to all 4 benches using disposable 3 inch rollers in 10-12 minutes per the instructions and the results were fantastic! Completely cured hard and tack free in 2 hours. And the aged wood color just...

September 27, 2025
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OK to buy

It works as expected, was cheaper than at the auto parts store.

August 16, 2025
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It worked pretty well as a large gap filler

Would Recommend

I used it as a large gap filler on some rotted wood. It worked pretty well accepted it cracked after hardening. The big issue I had with it is that this has a serious chemical smell that lasted for about a week. It would be fine for outside projects. I would not use this in doors. I saw others had curing issues. I did not, other than the odor.

August 15, 2025
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is just what I was looking for and at a reasonable

Would Recommend
July 27, 2025
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Sucks

I bought and used this product the same day. Waiting a full day before sanding and it was hard but tacky ruined my sandpaper so I waited another full 24 hours and same result. Now my canoe is sticking to everything I can't sand it to paint it. I'm very disappointed in this product I wish I didn't waist the money on it. I don't know what to do with it now.

July 1, 2025

From 3m.com

Response from 3M Care Team

Hello, thank you for taking the time to leave your review. Your experience is not what we would expect, and we would appreciate the opportunity to dis...

3M Care TeamJuly 2, 2025

Defective.

Would Not Recommend

I just received an old batch, expired, and it's crusted over with chunks of cured resin inside.

April 17, 2025
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Check screw cap or lid before leaving store

Would Not Recommend

Container screw cap/ lid leaked liquid out and adhered to everything it touched.

February 15, 2025
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