Brian C. Jackson is a roof cleaning specialist that can clean the ugly black stains off of your roof and do so with out damaging the roof shingle. The homes in New England are covered with this staining and it has the homeowners of Haverhill, Massachusetts 01830,01831,01832,01835 wondering what this staining is and how can it be cleaned. The black staining is and algae called Gloeocapsa Magma and it will shorten the life of the roof if it is not cleaned. The ARMA (Asphalt Roofing Manufacturers Association) recommends and approves of a safe non-pressure soft wash application to clean a roof and does not approve or recommend the use of a power washer or pressure washer. The use of a high powered machine will only dislodge the roof granules and damage the roof shingle and it may void the warranty on the roof. To get a free estimate on the cost of a roof cleaning or to get additional information on all of our exterior soft washing services, just visit www.jacksoncontracting.net or call Brian @ (603)401-8408