This is a two component system: A: Resin an B: Hardner

This comes with both Parts A & B. Unit will cover approx. 16 sq ft. This is soak into the fiberglass and  improves upon it structural integrity making it stronger. You can use this alone as well for a primer/bond coat for multi surfaces such as wood and concrete ETC for waterproofing.

Unit Includes: 3 Quarts of FRP Resin and 1 Quart of Hardner=1 Gallon

Please read shipping info about the cost to ship.