Parking lot sweeping on a regular basis pays off in the long run. Over time dirt and dust work their way into the pores of the blacktop or pavement . The dirt that has collected in the corners and sifted down into your parking lot surface is a great place for weeds to grow and moss to develop. A regular parking lot cleaning ( once a week ) can prevent or delay this problem at a cost that is more affordable than you may think. Call us at Cleanline sweeping  and see if we can find a program to fit your needs.