SandMAX I Crown Segment:

Use the crown segment to create a crown or swale of +/- 4%. About the SandMAX I: Designed for screeding 7 - 15 ft (213 - 457 cm) of the bedding course. Maximum width of 19 ft (580 cm) can be achieved by purchasing one additional 5 ft 9 in (175 cm) section. A crown segment is available to create a crown or swale of +/- 4%.