Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
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.
This is the best way to clean a roof if you have asphalt shingles.
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.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
So it pays to clean your shingles as soon as you spot algae growth.
Do it yourself and save big bucks.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Today s homeowner states that algae stains can be removed by cleaning though they usually return.
At most the bleach should be 50 of the solution.
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.
Bleach is caustic to the roof and plants.
Another great roof shingle cleaner is sodium hydroxide or better known as lye.
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.
If you re using the right chemicals with the proper procedures and rinsing techniques then you have nothing to fear.
Spray forget is a biodegradable non corrosive chemical that does not require damaging power washing and or brushing techniques.
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.
Pour the mixture into the garden sprayer.
Of laundry strength liquid chlorine bleach and water.
Use a pressure washer which can loosen shingles and seriously damage your roof.
It should be diluted with water in order to breakdown the chemical elements.
Safe effective.
Mix the hot water bleach and detergent and pour into the garden sprayer.
A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.
Sodium hydroxide must be used carefully in order to not damage the roof or be harmful to any surrounding plants.
Optionally add cup 177 5 ml of a non ammonia heavy cleaner such as tsp trisodium phosphate for extra cleaning power.