Wimsatt Building Materials Corporation is a distributor of quality building products that include residential & commercial roofing, siding, windows & doors, and composite lumber. As Michigan's largest distributor of residential roofing products, we offer a large selection of shingles with over 500 colors and styles in stock. We also offer peerless rooftop delivery backed by a rigorous safety program, will-call order fulfillment, and marketing support materials, for our customers - the contractors, builders, and remodelers of Michigan. The Wimsatt Sterling Heights story: Wimsatt opened a third location to respond to increased demand on the east side of Detroit and its surrounding areas, in Sterling Heights in February of 1994. The Sterling Heights Branch services Detroit and the counties of Macomb and St Clair.