United Materials, LLC is a master roofing contractor in Denver, Colorado. We specialize in roofing repair and installation for commercial and industrial customers. Since 1923, we have developed and maintained an unparalleled reputation for quality craftsmanship and customer service. We believe each roofing project is unique and therefore should receive the entirety of our knowledge, design, and engineering expertise. We can assist you with flat roofing, metal roofing, waterproofing, re-roofing, tile gutter, and downspout. Call us today for more information.