But here s the kicker.
Shingle roof cleaning with bleach.
Allow the oxy bleach mixture to sit on the shingles for about 15 minutes.
Roof cleaning using chemicals like chlorine bleach and tsp trisodium phosphate as a cheap roof cleaning spray to make your shingles look new again is not advisable.
Set the garden hose on the spray setting with the highest pressure water and hold the nozzle close to the shingles when rinsing.
Then add one tablespoon of trisodium phosphate tsp and mix well.
According to my experience if you mix household bleach with mater and spray on your asphalt shingles than its works good and its not damage your roof ever yes but after day or months the shine of.
This will remove any stains that were loosed up by the oxygen bleach.
Of laundry strength liquid chlorine bleach and water.
Step 3 check for cleanliness and rinse.
In a two gallon bucket create a cleanser composed of 1 4 chlorine bleach and 3 4 water.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
It is this very oil tar and asphalt which protect your shingles from the elements.
Even at low pressure a power washer can seriously damage shingles.
Use a garden hose to rinse the stains and cleaning solution from the roof.
Fill a handheld pump sprayer with the solution and apply it to the moldy shingles only.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
Wind sunlight water etc.
How to use bleach to clean a shingle roof step 1.
And the runoff harms plants.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
Pour the mixture into the garden sprayer.
Chlorine bleach also known as sodium hypochlorite or sh is not meant to be a roof cleaning chemical because it kills surface algae but can not penetrate the roof shingle granules to remove black mold root structures.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Pour the contents directly from the bucket.
Plus chlorine bleach is a corrosive agent that can damage metal roof flashings gutters and downspouts.
Read on for our best roof cleaning tips.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
We don t recommend that approach.
Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt.
This is the best way to clean a roof if you have asphalt shingles.
It can lighten the color of your roof and bleach anything the overspray contacts.
Roof stains return in as few as 9 months and the roof mold is worse than before.
Use a pressure washer which can loosen shingles and seriously damage your roof.