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How often do you need to clean your roof?
Generally, it is a good idea to get your roof cleaned by professionals once a year. This is often enough to where if problems develop, they can be caught early on. If you have a roof that is in good shape or was just recently installed, then you may only need a roof cleaning once every two years or so.
Why You Should Never pressure wash your roof?
Using too much pressure when washing a roof can loosen the granules on shingles, causing those tiles to become thin and brittle. You can even loosen old and loose shingles or blow shingles right off a roof with too much pressure from a power washer!
Are you supposed to clean your roof?
The stains and growth patches caused by algae, fungus and moss can damage your roof through shingle deterioration and wood rot. Both lead to expensive repairs and can shorten the life of your roof. A roof cleaning can help minimize or eliminate this damage.
What should not be pressure washed?
Surfaces you should not try to power or pressure wash are: Laminar sandstone – You’ll simply wash it away, or wash grooves in it. It’s too soft of a material to power or pressure wash. Anything painted – While painted items can be washed, it usually takes a pro to do it without destroying the paint.
How often should I clean off my roof?
New tiles will usually required a first cleaning at about five years. Pressure washing can erode the finish which will require more frequent cleanings. Asphalt composite shingles are more fragile than concrete tiles but should not require cleaning for at least seven years.
Is it OK to pressure wash your roof?
According to angieslist.com, reputable roof cleaning companies use cleaning methods recommended by the Roof Cleaning Institute of America or the Asphalt Roofing Manufacturers Association. Companies offering to pressure wash the roof should be avoided because pressure washing can damage roofing material.
What’s the difference between low pressure and high pressure roof cleaning?
This is because if you use the low-pressure cleaning, then you will be able to protect the shingles of your roof from scrubbing and brushing. However, if you make use of a high-pressure cleaning method, then there is a high possibility that you might damage your roof shingles.
How often should I re-apply Moss on my roof?
Assuming that the roof isn’t under tree cover, the moss shouldn’t grow back for about 3 years, after 4 years there will be light growth. For this reason, the homeowner should instruct a roofing company to re-apply the chemical every 3 years, thus preventing any moss growth and keeping the roof looking clean.