Precast & Concrete

MarMac has been an active voice for the push of innovation and quality in the precast & concrete infrastructure sectors since our company’s founding in 1953. We manufacture couplers, wraps, and seals to the highest standard of quality for the coupling and hydrostatic performance of concrete drainage systems around the world. MarMac Construction Products are manufactured in McBee, South Carolina and we’re proud members of the National Precast Concrete Association (NPCA) and the American Concrete Pipe Association (ACPA).