Facet home is the distance required on each side from the doorway to allow for attachment from the vertical observe assembly. We chosen the Avante AXU with the insulated professional grade aluminum body (black anodized finish) and tempered, insulated very clear glass. The doorway hardware and observe are powder-coated black. https://onlybookmarkings.com/story17750020/the-ultimate-guide-to-garage-doors