Concrete Casting Mix Additive Modifier
- The ultimate blend of add-mixtures which unlock the incredible performance characteristics of the XS GFRC casting mixes
- Easy mixing and flowing material for simple casting
- Long pot life allows for a stress-free casting experience
- Quick same-day, or overnight de-molding
- Fast and Easy mix. Just add one gallon of modifier to one 50lb bag of GFRC, mix and pour!
- Create the most exciting and rewarding projects you have ever made!