Unique architectural pieces require superior powder coatings for use in this area, such as with widow and door frames as well as specific architectural parts. Chemistries that are commonly used in this area are: Epoxy, Fluoropolymer, Hybrid, Super durable TGIC Polyester, Super durable TGIC Free Polyester, TGIC Free Polyester, TGIC Polyester and Urethane powders. And good examples of where these chemistries are used extensively, includes, Metal Windows, Aluminum Extrusion, Signs, Steel Doors, etc.