Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq.
How to get algae off your roof.
Put on rubber gloves and a breathing mask before proceeding you so you can.
However this comes with risks.
Preventing algae from coming back 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.
Never use a.
You should never use home remedies or store bought chemical products to clean algae.
Attached near the peak of the roof.
It takes special care to clean algae roof stains and moss off the roof.
Step 4 take precautions.
Cleaning step 2 make and apply the bleach solution.
When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus.
Also your home needs a proper place to drain chemicals.
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.
It must be diluted before applied and plants must be rinsed down.
No pressure washers please.
The wind can blow a spore onto your roof and from there it will take off if the conditions are conducive enough.
Most cases of roof algae or fungus start with a single spore finding its way to your home.
That places the three water jets at the correct angle to blast off the dead algae colonies.
Bleach will neutralize and kill algae off your roof and remove the black streaking.
Severely stained roofs may require multiple applications of the stain solver solution.
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.
The inorganic materials found in your roof will allow the algae to survive spread and darken.
This is important in order to not harm the roofing and siding materials.
Bleach is corrosive and dangerous to plants and pets.
It s best to apply the stain solver solution to a cool roof surface preferably on an overcast day.
If you keep the roof surface wet with the solution for just 20 minutes and then lightly scrub the roof surface the algae will come off with no issues.
For it to be effective two to four inches of the metal needs to remain visible on the roof.
Step 3 check for cleanliness and rinse.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.