System Three General Purpose Epoxy Kit W/ Fast Hardener, 1-1/2 Quart is for wood construction and repair, gel coat blister repair, and general purpose fiberglass repair. This epoxy kit excellent pot life and cure time control, making it easy to work with. When combined in a 2:1 ratio with the included Hardener, it provides a fast dry time of just 30 minutes and cures effectively in temperatures as low as 35 degrees Fahrenheit. At 77 degrees Fahrenheit, the epoxy becomes tack- in 2 hours, ensuring a smooth and reliable finish. Made in the USA, this kit is designed to deliver strong, durable results for a variety of repair and construction projects.