Boral Bricks.

These 4-inch-by-8-inch permeable clay pavers are available in standard and super permeable profiles. The standard pavers have 1/4-inch-wide joints for an 8% void area. Incorporating six notches around their edges, the super permeable pavers have a 12% void area for more rapid drainage. The void spaces can be filled with small stones appropriate for drainage purposes. 800.526.7255. www.boralbricks.com.