Our Quality Door Hoods are manufactured from the same components as our attached patio covers and free- standing carports with the exception of the post assemblies and the downspout. The parts list on our attached carports & patio covers can be found (Here) . With our Door Canopies, the posts are replaced with "return" arms which attach to the wall of the structure and the downspout is replaced with a "Scupper" attached to the gutter which diverts the water away from the structure. These units are designed to cover areas over doors to help keep stairs, entries, and landings free from excessive water.