Low cost porous paving materials and installation such as porous aggregate and recycled concrete sidewalk chunks or bricks are covered in Porous Paving by Bruce K. Ferguson and Rainwater Harvesting for Drylands, Volume 2, but for higher-traffic areas, or those where local codes require more durable or tested materials a few of the product options are listed below:

Plastic geocells

• Invisible Structures, Inc. (manufacturers of Gravelpave²) www.invisiblestructures.com
• Presto Products (manufacturers of Geoblock) www.prestogeo.com
• Funke Gruppe (manufacturers of Golpa grass pavers) www.funkenorthamericaltd.com

Open-jointed paving blocks

• SF-RIMA permeable pavements of SF Concrete Technology, Inc. www.sfconcrete.com
• Uni Eco-Stone permeable pavers of UNI-Group U.S.A. www.uni-groupusa.org
• Pavestone brand’s InfiltraStone permeable pavers.1015 South 43rd Avenue, Phoenix, Arizona. Ph. 602-257-1224. www.pavestone.com