Woodgrain embossed aluminum components are sent cut to length, ready to install. Components have ends routed and end caps installed. This unit has a two 2″ x 6.5″ rafters and 1-1/2″ lattice. Aluminum wall braces mount under rafters. Standard sizes are 42″ projection with 78″ and 90″ widths. Adjustable brace placement: 78″ width allows maximum 62″ between braces. 90″ width allows maximum 74″ between braces.