Inspired by a simple brick paver hardscape, in creating this unique tree grate Urban Accessories utilizes real bricks to create our master tooling, giving the grate a lifelike quality with real dimension and depth. Conforms to ADA Accessibility Guidelines. AVAILABLE MATERIALS: 100% Recycled Grey Iron, Ductile Iron, 100% Recycled Aluminum, Silicon Bronze, Nickel Bronze. AVAILABLE FINISHES: Raw Natural Finish, Rust Conditioner (Grey and Ductile Iron Only), Polyester Powder Coat, Liquid Coat (Available upon request), Brush (Aluminum, Bronze and Nickel Bronze Only), Polish (Aluminum, Bronze and Nickel Bronze Only).