Before a metal roof can be installed, we have to install the water barrier, which will act as an additional protection underneath the metal roof. Such a water barrier is designed to protect the roof decking from water that occurs from condensation due to temperature differences.We have manufactured and installed seamless metal roofs for over two decades and also offer a complete line of metal and asphalt roofing products. Seamless.No sales pitch or other fluff. Just simple 3D animated digital instructions on how to install Union’s MasterRib metal roof panels. MasterRib is a 36" wide 5 rib panel very common on residential.fragments. If you must walk on a metal roof, take great care. metal panels can become slippery, so always wear shoes with non-slip soles. Avoid working on metal roofs during wet conditions when the panels can become extremely slippery. general installation Information Insure that the structure is square and true before beginning panel.Go to http://www.RoofingIntelligence.com to watch the complete 14 video series on installing metal roofing.Metal roofing installation is an attractive option thanks to metal’s long lifespan, hardiness and fire-retardant properties. Nationally, the average cost for metal roofing installation ranges from $6,000 to $20,000.There are different types of metal roofs, each with their own installation needs and materials costs.The Look You Want Residential metal roofing is available in numerous colors, styles, materials and finishes. From the distinctive look of standing seam to the classic appearance of asphalt, tile or cedar, there’s a metal roof that’s right for any home.Also, never stand directly on the roof, since this could dent the roof. Conclusions. Corrugated metal roofing can be a convenient and relatively affordable way to provide protection without the need to install metal shingles. Moreover, a corrugated metal roof is highly durable and will last for decades.Josh and the crew install the roofing on HGTV Dream Home 2017.HomeAdvisor’s Roofing Cost Esimator provides a roof material price list to compare costs, including metal, asphalt shingles, metal shingle roofs, tiles, shakes, standing steam and more. Find out which is cheaper between metal roofs and shingles, and the cost to install metal over shingles.