Galvanized Steel Standing Seam Roof. Galvanized steel (G:90 or Z275) standing seam roofing is hot-dipped steel that is coated in a zinc mixture. Galvanized steel roofing is durable and strong.

Metal roofs are an advantageous option for several reasons: Longevity and Low Maintenance: With a lifespan of 40 to 70 years, they require minimal upkeep. Sustainability: Typically made from ...