Wimsatt Building Materials Corporation is a distributor of quality building products that include residential & commercial roofing, siding, windows & doors, and composite lumber. As Michigans 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 Lansing story: Wimsatt opened its Lansing Branch in 2006, to service builders and contractors on the west side of the state. The branch delivers materials from Lansing south to Jackson and the surrounding area, and west to Battle Creek.