To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather.
Roof algae cleaning cost.
Roof cleaning average costs on average roof cleaning pricing is 15 to 30 per square foot or 15 to 30 per square a square in roofing.
Create your own price list in homewyse lists for a basic project in zip code 47474 with 500 square feet the cost to clean roof starts at 0 21 0 34 per square foot.
So it pays to clean your shingles as soon as you spot algae growth.
Actual costs will depend on job size conditions and options.
The bigger the roof the more hundreds you ll spend.
The costs for blowing or sweeping debris off the roof will usually cost a few hundred dollars.
Expect to pay anywhere between 450 and 650 depending on your location and other factors.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Nationally 350 is the average cost for professional roof cleaning.
A 50 foot roll of zinc strips costs 25 to 50 plus the cost of installation.
Roof cleaning costs cleaning a roof costs 294 and 582 or 423 on average.
Professional roof cleaners charge hundreds of dollars.
If your cleaning involves algae and moss removal and preventative treatment as it commonly does in the pacific northwest costs can be several times that amount.
Expect to pay between 0 20 and 0 60 per square foot.
Roof cleaning cost by material roofs come in a wide range of materials including metal wood and asphalt shingles and the right form of roof cleaning varies depending on the material.
Photo courtesy of angie s list member todd d.
Of honolulu hawaii angie s list members reported paying around 550 for roof cleaning.
Many factors affect the roof cleaning costs.
Regular roof cleaning makes it last longer and improves your curb appeal.
This includes removal of visible and unseen organic growth such as lichen and algae from shingles using the appropriate cleaning method for your roof material as well as removal of storm detritus and fallen leaves.
To estimate costs for your project.
That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles.
Moss and algae buildup on your roof can retain heat and increase your cooling costs.
Do it yourself and save big bucks.
The average cost for a soft wash roof cleaning ranges from 0 30 to 0 75 per square foot.