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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
146
Review
 4.2 out of 5
146 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.
146 Customer Reviews

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
Verified Purchaser
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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
Verified Purchaser
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The best

Would Recommend

Bought this a couple of hours ago and used it immediately per instructions. Already setup and sandable. Excellent product!

December 20, 2024

From 3m.com

Too expensive for just an epoxy

Would Not Recommend

Extremely expensive- since when an epoxy has to cost this much?!

November 3, 2024
Verified Purchaser
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Lack of information

Would Recommend

Product worked fine.Instructions very poor.Had to go online for information which limited.

September 13, 2024

From 3m.com

Response from 3M

Hello, thank you for taking the time to leave your review. Your feedback is very important to us, and we will be sure to forward your comments. If you...

3MSeptember 16, 2024

Won't harden

Would Not Recommend

Followed the instructions on the can...and it won't harden. Mixed exactly 8 oz with 80 drops of harder, mixed and used a paint brush to cover my outdoor town clock...now I have a goo finish. Paint brush harded but not the clock finish....

August 25, 2024

From 3m.com

Response from 3M

Thank you for leaving your review. We are sorry to hear this and would not have expected the product to be as described. If you need any further assis...

3MAugust 28, 2024

Easy to use

Would Recommend

Easy to use

July 2, 2024
Verified Purchaser
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Best way to buy liquid resin for fiberglrepair kit

Would Recommend

I bought the kit to repair the floor in my fiberglass T.T. where a leak caused water damage and decayed the wood. I spent about a hour preparing the repair spot. I bought a second fiberglass mat to make sure I have enough to finish the job. The repair area is about 15in x 5in. in a crescent shape with a fiberglass lips on the shell that needs to be filled in. After cutting 3/4 of the included mat into smaller pieces and a few of the woven mat, I started the first layer. About 6-7 mixed layers ...

June 17, 2024

From 3m.com

Never Hardened / NO PUBLISHED SHELF LIFE INFO!!

Would Not Recommend

I tried using 3M Fiberglass Resin (20122) to repair a cracked hard-sided suitcase. It never cured – not even with a 2X dose of hardener. Now I’ve got a sticky gooey mess to deal with – possibly unrepairable. This could be due to the product sitting on my shelf for a year or two – unopened, and in an air conditioned indoor closet. However, I DID inspect the can for an expiration date – and found none. Likewise, I checked the hardener – nope – no date. I scoured the 3M website for anything on she...

January 3, 2024

From 3m.com

Response from 3M

Thank you for leaving your review. We are sorry to hear this and would not have expected the product to be as described. If you need any further assis...

3MJanuary 8, 2024

1/8 not

Would Recommend

just what it said works well

October 30, 2023
Verified Purchaser
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HOW TO - TO DO - TO NOT REDO!

Would Recommend

-TUTORIAL- Problem = So I initially had issues with my resin not curing, hardening and or staying tacky long after using it according to directions on can. there is a fix to this.. read on. The Solution = I used a plastic mixing cup (used to mix paints), a wooden stir stick, a 2" brush, lacquer (for cleanup), and paper towels. ----my temperature was at 65 degrees and I mixed 4 oz. at a time about 3 times. mix 10 drops of hardener for 1 (oz.) ounce of fiberglass resin. stir for 30 seconds i...

October 18, 2023

From 3m.com

Terrible product

Would Not Recommend

I purchased Bondo fiberglass resin stage two on Saturday afternoon. Came with the liquid Hardner. Came home and once again wiped down the area that I had spent the morning sanding and preparing to fiberglass on the saddle bag of my Harley Davidson. Since it was now wiped down and ready to go, I mixed up the recommended parts 10 drops of Hardner with the recommended resin. Stirred it and applied it to the cloth that I had cut out and fit to the area. Went to church and dinner Saturday night. Came...

October 11, 2023

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 TeamOctober 11, 2023

Bondo Resin

Would Recommend

Easy to mix & use.

October 10, 2023
Verified Purchaser
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