	This photo shows the canopies retracted. You can see the three tracks attached to the bottoms of the rafters. The canopy clamps onto four foot crossbars which slide back and forth in the tracks. This is a Attached Post and Beam pergola, built with Knotty lumber, 2 4x4 Posts and Sealed with Olympic. It has 16 foot rafters and 16 foot purlins with a 24 inch overhang, and stands 8 feet tall. Do you want this exact pergola? Simply enter your zip code below.