Landmark Exteriors provides home improvement services to its customers. The company features a range of wood and aluminum-clad replacement windows. It offers various styles of entry systems, including the Mahogany Collection, Rustic Collection and Oak Collection. Landmark Exteriors provides cedar, fiber cement, composite wood and vinyl siding. The company also offers prestique, capstone and sentinel styles of roofing. It has soffits, fascia and gutters available in several colors, including almond, black, brown and heather. Landmark Exteriors supplies products of various companies, including Kolbe & Kolbe Millwork, Marvin Windows & Doors, CertainTeed Corporation and James Hardie International. The company operates several showrooms in Illinois that provide a variety of products. It maintains a location in Libertyville, Ill.