Use a pressure washer which can loosen shingles and seriously damage your roof.
Chemical to clean roof shingles.
Bleach is caustic to the roof and plants.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Another great roof shingle cleaner is sodium hydroxide or better known as lye.
Do it yourself and save big bucks.
It should be diluted with water in order to breakdown the chemical elements.
When it comes to the features then this mild yet powerful roof cleaner offers really good protection from algae and fungus growth.
While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles.
I ve cleaned hundreds of roofs with non pressure chemical methods and have never once seen a situation where we caused damage to someone s home.
So it pays to clean your shingles as soon as you spot algae growth.
If you re using the right chemicals with the proper procedures and rinsing techniques then you have nothing to fear.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Pour the mixture into the garden sprayer.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
At most the bleach should be 50 of the solution.
Spray forget is a revolutionary patent pending cleaner that removes green and black algae mildew fungus and lichen stains from roofs siding decks brick concrete and other exterior surfaces.
Sodium hydroxide must be used carefully in order to not damage the roof or be harmful to any surrounding plants.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.
This chemical is commonly used in products like drain cleaner and oven cleaner.
Chemical roof cleaning will damage shingles gutters and landscaping.
Safe effective.
Today s homeowner states that algae stains can be removed by cleaning though they usually return.
Of laundry strength liquid chlorine bleach and water.
And thanks to some clever engineering feats the ws rc he roof stain cleaner offers the same level of reliability and performance featuring the best roof cleaner chemical available.
Optionally add cup 177 5 ml of a non ammonia heavy cleaner such as tsp trisodium phosphate for extra cleaning power.
Mix the hot water bleach and detergent and pour into the garden sprayer.
This is the best way to clean a roof if you have asphalt shingles.