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Your cart is empty.Short strand formulation allows it to be easily applied and sanded. Forms hard, durable surface. Very easy to sand, even after 24 hours. Non-sagging, even on vertical surfaces. Waterproof. Can be top coated with putty or directly top coated with paint.
Iggy71
Reviewed in the United States on February 28, 2025
Excellent product, Upol products are Excellent Quality and easy to use Great seller communication and Super fast shipping.
LYNDA FISHER
Reviewed in the United States on May 8, 2024
We love this product, very easy to use.
Customer
Reviewed in the United States on May 8, 2024
You can't beat the price and I was worried about shipping. They packaged it very well and it made it perfect. The local napa wants over $100 for this same can of fibral
Jessica burgess
Reviewed in the United States on October 7, 2024
Very well packed, some say they received No hardener with product but I did, I have not used any product yet
trevor
Reviewed in the United States on October 25, 2024
Took the chance. Wasn't lucky enough to get an undamaged can. I would swear the can was damaged before packaging. The box arrived in perfect condition. The can of filler not so much
tim yeakel
Reviewed in the United States on March 16, 2023
There is nothing to dislike about this product. The quality has not changed in the nearly 20 some years I am using the product. The price for what is is decent and the product really does not have a single flaw. It adheres very well has a bit of shrink down but that is not a reason to not buy it. Other products stick to well not matter what ya use. I think I could pick a point about almost every other product I use just not this one. Good price excellent job. In my pics the proof is there. Upol is great stuff.
Jim Carlin
Reviewed in the United States on February 11, 2023
I don't know if I was just one of the fortunate ones or if the manufacturer took heed to the issues others that commented expressed, but when the product arrived it had been packaged well and there were none of the issues others mentioned that almost kept me from buying it. It also came with plenty of hardener, enough for the whole can. I was very sorry to read so of the things others experienced regarding poor packaging, open container in the box, and very little hardener included, but thank you to all that spoke up, because I feel it made a big difference. This is a great product and very easy to work with.
Baggett Family
Reviewed in the United States on April 29, 2023
I was sceptical since there were a lot of packaging comments but mine was packaged very well. As for the product it is the best fiberglass filler I have used. Very smooth minimal pinholes and sands pretty good. Way better than dyna glass.
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