Apoxie Sculpt offers economy as well as performance. This 2-part product has a putty-like, smooth consistency, and is easy to mix & use. (See Directions) It is safe and waterproof with 0% shrinkage/cracking! Working time is 2-3 hrs. Cures hard in 24 hrs., and has a semi-gloss finish. Adheres to plastic, resin kits, wood, metal, ceramic, glass, polymers, foam, fiberglass, & more! Use in place of traditional mosaic adhesives and eliminate the need for grout!