LB Plastics, Inc. extrudes vinyl components for building products, including window lineals, railing, cladding, decking, and ... gutter accessories. We also produce custom vinyl profiles, and matting for industrial and commercial use. LB sells to retailers, one and two step distributors, as well as to other manufacturers. LB is located in Mooresville, NC and has 36 extrusion lines and 5 injection molders all housed in a 325k sq ft facility. ARC Industries acquired LB in October 2015. read more