Knotwood Architectural Systems - It's Not Wood, It's Aluminum
Knotwood - Whether you need a little cover or a lot, Knotwood can perform in ways wood can't. Knotwood is capable of spanning large areas, requiring minimal posts and fasteners. https://knotwood.com/pergolas/
DIY KNOTWOOD Outdoor Wood-Grained Aluminum for Decking, Fencing etc!