I would like some information on cleaning techniques and cleaning formulas for composition roofs. Also, information on cleaning wood siding that has black/green streaks. Any help would be very much appreciated.
Thanks,
Herb
Im bidding a job involving pressure washiing paving stone with moss growth between stones. Im new to the business and would appreciate any advice others may have relative to appropraite and effective cleaning methods and equipment, as well as options for pricing the job.
Thanks,
Herb
My family is starting a PW business here in the NW portion of Washington state. I (we) have a lot to learn and look forward to reading and learning from various postings and experts on this site.