Some roofs also have regular green algae that comes from trees and things that are near the houses.
Getting green algae off roof.
If you notice strange discoloration or vegetative growth marring the look of your new or existing roof contact a roofing contractor near you for an inspection.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
But you can prevent growth.
Hose off and brush all moss loose from your roof shingles.
They re likely to damage the shingles.
It takes the right amount of water pressure and often the addition of professional grade cleaning solutions to truly remove algae and moss from the roof and siding of your home.
For it to be effective two to four inches of the metal needs to remain visible on the roof.
No pressure washers please.
No but a lot of people have it and they want to clean it off.
How do i get rid of algae.
With regular cleanings you can get rid of the algae before it even becomes an issue and definitely before it gives way to rot mold and mildew.
You might think that pressure washing is the best way to remove algae.
Here s what you do.
Well there s a way to clean that off as well.
However the force of the water can cause your shingles to lose their protective granules.
Preventing algae from coming back.
You should never use home remedies or store bought chemical products to clean algae.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Roof moss removal usually requires a broom or heavy stream of water.
Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach.
Some homeowners also try to get rid of algae by using bleach.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
It takes special care to clean algae roof stains and moss off the roof.
You can t prevent spores of algae and moss or mildew from landing on your roof.
Obviously the best care is preventative care.
The way to clean off roof algae is to go ahead and mix up some oxygen bleach with water.
A contractor can confirm the existence of algae and recommend the best course of action for your home.
Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq.
Moss is a thick organic growth.
If you want to make sure algae doesn t come back after you have cleaned your roof then install a strip of zinc or copper coated sheet metal on each side of your roof just under the ridge.