My block paved driveway is 5 years old now and was starting to look a bit shabby. DJI Revive gave me a very good quote to clean my driveway so I let them do the job. The company made a fantastic job of cleaning my block paving making it look like new. I am very pleased with my new cleaned block paved driveway and I will be asking DJI Revive back next year to do it again.