Unilock. 2012. Permeable Paver Maintenance Guide. Hengestone Holdings, Inc., Brewster, NY. Pages 1-12

construction, maintenance, Infiltration, Permeable Pavement

http://commercial.unilock.com/download/documents/technical-guides/permeable-paver-maintenance-guide/

This guide is specific to Unilock permeable pavers as a maintainable system for storm water runoff and does not cover cleaning concrete pavers themselves.