Cement gets hard with age and keeps getting harder as time goes by.
Jim@Garagecleaning banned Jun 18, 2009 #21 Cement gets hard with age and keeps getting harder as time goes by.
Jim@Garagecleaning banned Jun 18, 2009 #22 The high GPM's you have the better it will be for the cleaning of the cement
Chris Francis Member Jun 18, 2009 #23 Thanks Jim I do more house so concert drives has been sitting few years.