This is the best way to clean a roof if you have asphalt shingles.
Chemical to clean roof shingles.
Redihan s roof wash ideal for roof cleaning and removing stains from moss mildew lichen or black algae on roofing shingles including asphalt metal tile wood shake rubber and new composite materials.
Chemical roof cleaning will damage shingles gutters and landscaping.
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.
Optionally add cup 177 5 ml of a non ammonia heavy cleaner such as tsp trisodium phosphate for extra cleaning power.
Bleach is caustic to the roof and plants.
At most the bleach should be 50 of the solution.
Mix the hot water bleach and detergent and pour into the garden sprayer.
If you re using the right chemicals with the proper procedures and rinsing techniques then you have nothing to fear.
A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.
Another great roof shingle cleaner is sodium hydroxide or better known as lye.
Pour the mixture into the garden sprayer.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Of laundry strength liquid chlorine bleach and water.
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.
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.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Today s homeowner states that algae stains can be removed by cleaning though they usually return.
This chemical is commonly used in products like drain cleaner and oven cleaner.
Do it yourself and save big bucks.
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.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
It should be diluted with water in order to breakdown the chemical elements.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
When it comes to the features then this mild yet powerful roof cleaner offers really good protection from algae and fungus growth.
