What you do is put it into a pump sprayer spray it on the roof and you need to keep the roof wet with the solution for about 10 or 15 minutes.
How to get mold off roof.
Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
But luckily especially when paid attention to most of the time to remove algae and mold your roof will just need a good thorough cleaning.
If some remain apply the cleanser again wait 10 more minutes and repeat the rinse process.
To avoid streaks start cleaning at the bottom edge of the roof and work your way up rinsing frequently with lots of fresh water.
Run your gloved hand over the shingles to check for any slimy mold remaining after you re finished rinsing.
Next rinse the shingles thoroughly with a garden hose at low pressure.
Then prepare a mixture of copper sulfate and water using a ratio of 12 ounces dry measure of copper sulfate to 1 gallon of warm water.
Take a scrub brush.
Copper sulfate solution alternative.
The oxygen bleach starts to go ahead and attack the roof algae and it does its best to kill it and take away the stains.
Spray all the plants growing near your house with water and this will help protect them from.
Using a plastic pump type garden sprayer thoroughly soak the affected allow it to sit for at least 5 minutes.
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.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
Spray all the plants growing near your house with water as this will help.
To get rid of mold and other types of growth for good it s best to use a powerful.
Sweep the mildew off the roof using a push broom.
Scrub away the thickest buildup.
How to clean mold off a roof chlorine bleach solution.
Apply the solution to the mold infested area and wait for the mildew to turn brown.
Lightly scrub the shingles.
Them down with clean water before applying the mix and immediately after whether you cover them or not.
Start from the top shingle and rinse downward to prevent water seepage.
Spraying the roof 1.
Lastly rinse the roof with a hose.
Preventing mildew from forming.
Use a long handled brush to scour the surface of the shingles and loosen stuck on.
One way to clean the roof of algae and moss is with a brush and a little grunt work scrubbing and separating the greens from the roof.