The Elgin Whirlwind truck-mounted vacuum sweeper is suited for the cleaning, maintenance and restoration requirements of porous pavement and interlocking block surfaces. Operating at a low power level, the sweeper removes loose surface material without disturbing the granular filler in interlocking paver blocks, restoring the surface to optimal condition. For restoration when the porous surface is blocked and water is no longer able to infiltrate the ground, the sweeper delivers a concentrated vacuum level exceeding that of a regenerative air sweeper. The sweeper’s vacuum is able to pull out embedded debris that plug drainage paths. Most permeable pavement periodically requires this degree of vacuum to restore infiltration of clogged areas.
