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Roof Cleaning in Alpine NJ
Never pressure washer roof. Never let anyone talk you into cleaning your roof with any type of device that is hooked up to a pressure washer. Pressure washing a roof can void manufacturers warranty. Your roof manufacturer will tell you to use a detergent that contains bleach. Bleach is safe for the shingle and is a great fungicide. The proper term for the chemical is sodium hypochlorite. This is the same chemical the local municipalities put into the tap water for sterilization. The chemical that is used to keep swimming pools clean is also sodium hypochlorite. Most people call it pool shock, but it is still sodium hypochlorite at a different strength.
Pressure washing a roof can release large amounts of roofing granules. High pressure water does nothing to kill the mold spores that are creating the stain. By achieving a near 100% kill ratio will the roof remain stain free for considerable amount of time.
Roof Moss Removal Alpine NJ
Moss develops a root system just like a plant. The same goes for lichens. Growths like these develop a root system into the shingle. If you pull these growths off prematurely you will most likely take the roofing granules along with them. It is best to treat the moss, let it die, it will start to decompose, dry out and wash away with the rain. This is not a quick process. It can take roughly 90 days to get the full effect. But when the roof finally becomes clean it is fully clean. A fully sterilized roof will stay cleaned 4 to 6 times longer compared to pressure washing with simply water. This is the slowest way to clean the roof but the least aggressive way to clean a roof shingle.
Power Washing Alpine NJ
Never let anyone clean your home or siding who relies on simply high pressure to achieve their cleaning results. 98% of what causes stains on siding is organic like mold, mildew, cobwebs etc. soft wash and uses the proper detergents to create the desired cleaning result. This can be done at a very low pressure application. Using a detergent with a hint of bleach will fully sterilize the siding and keep it clean for the six times longer compared to traditional pressure washing. Bleach is safe for all sidings except newly painted siding. New paint should be left alone for at least 6 to 12 months before attempting to soft wash with a detergent that contains bleach.
Even pool patio cement is clean using a detergent that contains bleach. Most of what stains cement his mold and mildew. If you don’t fully sterilize the cement the stain will come back rather quickly. Even dryvit and stucco can be cleaned using soft wash.
For commercial pressure washing we can sometimes use hot water. Hot water pressure washing with 180° water is what is needed to remove heavily greased areas.