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🧱 Reinforce your build with the fiber that fights cracks and water like a pro!
UPTTHOW 6MM-1Lb Fiberglass rods are engineered to reinforce cement mortar by enhancing toughness, waterproofing, and impact resistance. Designed for professional-grade construction, this 6mm thick fiberglass mix integrates seamlessly into concrete, preventing cracks and seepage in walls, floors, and wet environments. Trusted by builders and DIY pros alike, it delivers durable, resilient structures with every batch.



















| ASIN | B09DT651WG |
| Best Sellers Rank | #26,648 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Concrete |
| Brand Name | UPTTHOW |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (338) |
| Grade Rating | Commercial |
| Item Diameter | 6 Millimeters |
| Item Form | Flat Rod, Roll |
| Item Shape | Rectangular |
| Item Thickness | 6 Millimeters |
| Item Weight | 0.55 Kilograms |
| Manufacturer | UPTTHOW |
| Material | Fiberglasss |
| Model Number | UWFiberglass 6mm-1lb US |
| Number of Items | 1 |
| Part Number | UWFiberglass 6mm-1lb US |
S**V
Perfect addition to Bondo or fiberglass resin.
Perfect for adding to Bondo for extra strength. As a taxidermist, I add it to Bondo to make thinner ears in the animals that I taxidermy. It does a great job.
S**L
Works well
Works great binding curbing cement.
T**M
It works!
If you want an easy way to make concrete stronger this is what you need!
N**R
Fine quality but be ready to take time to pull apart the strands
The strands are a pain to pull apart enough so you get a decent mix without clumping. Quality seems decent
M**R
Works well.
Easy to blend in to the cement. Just sprinkle it into the dry mix and blend dry first, rather than throwing in a handful or dumping in the whole bag after you add the water. You'll also need to add more water than usual. Concrete seems very hard with the product added.
S**G
Good price
I have not used it yet I am waiting for the weather to warm up, I plan to use it to parge some walls were we poured some concrete last fall.
A**R
Good quality
Great product for cement pot making.
J**Y
worked well
worked well; not to fluffy, be sure to add a little at a time, or it clumps up will buy again if required
B**S
Strands too long, does not mix well with cement
M**G
Absolutely what it says. I ordered what I got. I made a mistake thinking it was 5lb but it was actually 4lb. I am so sorry. The cut is good and the weight is correct. I will be ordering more in the future.
M**E
Tres bon produit
M**K
Quick delivery. Expect it will work perfectly.
Y**N
a bit short, it's fine
Trustpilot
3 days ago
1 month ago