The Pervious Head attachment for the SXP-D Laser Screed is designed specifically for the unique characteristics of pervious concrete to ensuring rapid and even placement with one pass. The pervious head includes a plow to move excess material, an auger and spinning rollers to cut the concrete to the desired compaction, a floating/compacting rollers that knocks down and smoothes the surface of any standing aggregate left behind the spinning roller, and a spray bar that coats the floating roller with release agent after each screeded pass to prevent the concrete from sticking. Somero Enterprises Inc. 800-314-8933.