The size of roof usually directly correlates to how long it will take to clean and thus how much it will cost to clean.
How much mix for a standard roof cleaning.
Also the cost of roof cleaning depends on the height of your roof as it takes lots of efforts for professionals to take their equipment there.
Then we rinse with water and apply wood restore as a final step.
By comparison a fire hose sprays at 150 to 300 psi.
The larger the roof the higher the price.
It kills moss and algae and rinses away dirt and debris.
Note that our roof cleaning tips only apply for asphalt shingles.
Many roof cleaners charge by the square foot and others charge by the square a roofing term which is equal to 100 square feet.
Just apply and leave it in no rinsing required.
Keep gutters clean to ensure roofs remain as dry as possible.
Roof cleaning costs depend on the slope size and design of your roof.
Barrel tiles tend to take more mix also because everything rolls off the tops of the tiles and channels itself in the valleys of the tiles.
A solution of equal parts bleach and water safely cleans asphalt shingles according to the asphalt roofing manufacturers association.
On an average roof cleaning costs about 412.
The more complex the design the higher it will cost.
If it s something like scratch tile then it will take like 100 gallons for me.
The wood restore is awesome.
Here s a video link to the instances that call for rinsing.
Our standard mix for cedar is 2 3 mix with 1 ounce of terra wash added per gallon of mix.
The average garden hose sprays water at 40 to 80 psi.
On a standard shingle roof here i can do a 2000 sq ft house with 50 gallons of mix easy.
It will not be quite as effective on stubborn marks and stains but it is a good choice for an all over roof clean and will not pose much risk to your roof s structural integrity.
Here s an example of how a roof can be cleaned with oxygen bleach.
The results using this method are not instant but if you have more time than money this is.
How much does roof cleaning cost.
Now that you know the best ways to clean a roof be sure to follow these guidelines carefully.
The average cost for low pressure roof cleaning is between 0 30 and 0 70 per square foot.