






🧱 Build stronger, thicker, and safer—because your projects deserve the best!
Stone Coat Epoxy Thickener is a high-viscosity, non-toxic additive designed to thicken epoxy resin with a precise 1:1 mixing ratio. It enhances strength and water resistance, ideal for vertical surfaces and marine applications. Odorless and easy to mix, this polyethylene fiber-based thickener is made in the USA and trusted by professionals for superior durability and seamless finishes.














| ASIN | B08K1GL7RP |
| Best Sellers Rank | 651,666 in DIY & Tools ( See Top 100 in DIY & Tools ) 145 in Paint Additives |
| Brand | Stone Coat Countertops |
| Colour | Clear |
| Compatible Material | Stone |
| Container Type | Can |
| Customer Reviews | 4.4 4.4 out of 5 stars (515) |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 1 Quarts |
| Item Weight | 8 Ounces |
| Material | Epoxy Resin |
| Model Number | PolyFiber II Epoxy Thickener |
| Other Special Features of the Product | Non Toxic, Strong |
| Viscosity | High Viscosity |
| Water Resistance Level | Water Resistant |
S**E
Very usefull to thicken epoxy resin and make it stronger. Good for marine applications
J**E
Very effective...stirs in well with the epoxy, has no odor, and doesn't seem to affect the curing time, or noticeably add to the volume.
B**S
Although I did not use this as a covering, I did use it to glue 32 ga steel to a structure with both a positive and negative curve. Held in place with a sandbag, it seems to have worked quite well. Of course it’s always difficult to give initial quality on something when that quality will only become apparent after at least a year.
J**O
The product did what it meant to do. However. It turns the clear epoxy cloudy or white if you use too much.
P**T
Good product very fast shipping however quite expensive for amount received.
Trustpilot
1 week ago
2 months ago