Film icon woody allen can keep interiors; just leave the exteriors to lansing. lansing building products provides contractors located mostly in the southeastern us with exterior building products, including decking, doors, gutters, roofing, siding, skylights, tools and equipment, vinyl railing, windows, and other building materials. it serves its contractor clients through some 65 locations in about 25 states, plus washington, dc. besides products, the company offers marketing services, website development and hosting, and complimentary safety consultations. lansing building products was founded in 1955 by ted lansing, j. c. griffith, and j. c. mclane.