It works on concrete roof tiles, clay tiles, and sheet metal roofs. An antimoss spray can also be applied as aftercare. The Aqua Jet Cleaning System is intended for professional use. It can make ...

Cleaning a shingle roof brings benefits ... Always test any cleaner first in an inconspicuous place. For clay or slate tiles, always use a dish soap solution (see below) or a cleaning product ...

The advent of professional roof cleaning techniques has made this task ... gradually degrading shingles and tiles and leading to costly water damage. The retention of moisture facilitates the ...