It s really that simple.
Will oxygen bleach kill algae on roof.
Spray on more if needed.
If you want to try using bleach without other detergent dilute it with at least four parts water.
Apply more solution if you have to to get a nice workable solution.
You can safely apply this mixture to exterior walls vinyl siding and roof shingles.
You can clean roofs with oxygen bleach but it can be challenging.
To remove lichen and moss from the roof try the least toxic method for moss and lichen removal first oxygen bleach before moving on to a harsher method chlorine bleach.
I prefer to apply it with a garden hand pump sprayer to the algae covered surfaces.
Oxygen bleach however will kill the moss without harming your roof.
Then once the shingles are clean you go ahead and take a hose and just rinse the roof off.
Follow this by spraying another coat of the oxy bleach onto the darker stains.
When applying the spray to the shingles spray the bleach and water mixture so that it flows down the roof rather than up.
A safer alternative is oxygen bleach.
Chlorine bleach is very effective at removing roof moss and algae but it s not that environmentally friendly.
Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach.
To clean off the algae all you have to do is mix powdered oxygen bleach with warm water mixing it until the powder is dissolved.
It does its best to kill it and take away the stains.
Oxygen bleach fill a.
The algae covered roof once wet with the oxygen bleach solution.
Never use undiluted bleach on walls.
The biggest problem is that it s dangerous working up on a roof.
Algae mold mildew moss and dirt are often attracted to shingles.
Take a scrub brush lightly scrub the shingles.
Allow the oxygen bleach to soak on the algae for at least ten minutes making sure it doesn t evaporate.
Causes moss fungus and algae flourish on rooftops in areas of the country that receive high rainfall and have high humidity.
If your roof gets very mossy and you need to clean it frequently chlorine bleach really takes a toll on your roof.
Keeping roof shingles clean will not only enhance the overall look of your home but can also protect the shingles from damage caused by moss and mildew.
Bleach can effectively clean roof shingles and remove even the toughest stains.
Mix 2 3 cup of powdered household cleaner 1 3 cup of powdered laundry detergent 1 quart of bleach and 1 gallon of water.