Forton® VF-774 is the world-wide standard concrete additive for making lightweight GFRC panels. It is recognized by the PCI as the only polymer supported with a 20 year durability study.
Alpha gypsum additives make gypsum far stronger and more weather resistant. Forton® and Matrix products are a lower cost alternative to resins. You can cast solid or make lightweight architectural elements and sculpture castings by reinforcing with glass fiber that are suitable for outdoor display. A variety of casting effects are possible including marble, metal, stone and more.