L.B. Plastics, Inc. is a 40 year old leading manufacturer and distributor of vinyl building products, including window and door systems, railings, posts, decking and fencing. We also specialize in custom extrusions, commercial matting, and are an AAMA certified window profile manufacturer. Our 350,000 sq ft manufacturing and distribution facility is located in Mooresville, NC. With over 30 extrusion lines complimented by 5 injection molders and 6 routers, we have the experience and history to take care of your needs.