No sales pitch or other fluff. Just simple 3D animated digital instructions on how to properly flash a chimney on a MasterRib metal roof. This detail can also be used with skylights and other roof curb applications. MasterRib is a 36" wide 5 rib panel very common on residential and ag applications. See our full range of installation videos at www.unionmetalroofing.com or on YouTube. You can call us at 888MTLROOF. IMPORTANT NOTICE: These instructions are for illustrative purposes only and may not be appropriate for all applications. Please consult your licensed roofing contractor for detailed instructions for your specific application.