Established in 1978, Sound Building Supply Inc. is a manufacturer and seller of steel roofing products and siding panels. Based in Renton, Wash., the firm has over 50,000 square feet of warehouse and shop space. The firm provides its services to the roofing, siding and construction industries. Its metal roofing products are sold under the brand Sound-Lok. Besides, the firm offers services like stock and customer flashing design, and ventilation solutions. Sound Building Supply Inc. is a member of Master Builders Association, an organization that actively works with the government to develop laws to protect the environment.