Dec 05, 2011· With the laser screeds, we can do an acre of flatwork a day. Without them, crews can't work with that much stamina or accuracy." The SXP-D Laser Screed lists for $350,000. The Copperhead, a walk-behind unit with a 10-foot-wide screed head, is $60,000. The SMP is a hydraulic powered, ride-on machine that grades, plows, and screeds.