Our product is produced from top-quality industry materials such as ASTM A-653 Galvanized Steel and ASTM A-792 Galvalume. The design of the product allows for high air flow while restricting direct heat/flame penetration. It is guarded by 1/8” or 1/16” Galv Steel Mesh and Intumescent Tape. It is tested and certified by a Fire Department approved lab for standards of ASTM E2886. Other styles and materials such as Stainless Steel, Copper and Aluminum are available upon request.