CHI’s models 2240/41 and 4240/41 steel garage doors are made from heavy duty 24 gauge steel. Four color choices, window, panel length and 1 1/3” insulation options are available. We offer free estimates for new garage doors. All of our work is backed by a solid labor warranty. For more information on garage door installation in the Atlanta area, please call us at 678-714-7393, or contact us online.