Before applying the cleaner spray the roof with water to cool it down.
How do you clean an asphalt shingle roof.
Climb the ladder carefully and spray the bleach mixture onto the affected area of the roof saturating it thoroughly.
To stay safe suit up in long sleeves pants and safety goggles.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Wash the solution off the roof with your garden hose fitted with the sprayer.
For large expanses of an asphalt shingled roof use a long handled scrub brush made for cleaning gutters and roofs.
Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
A pressure washer can eradicate the moss from the deep crevices and prevent it from returning next season.
Then spray the cleaner onto the shingles photo 1.
Of laundry strength liquid chlorine bleach and water.
Allow the mixture to remain on the asphalt shingles for 15 to 20 minutes.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
Mix the hot water bleach and detergent in the bucket until the soap granules dissolve.
That ll prevent the cleaner from drying out too quickly.
Spray the solution over the entire surface of the roof and let it sit until stains begin to fade and become brownish.
Mix the hot water bleach and detergent and pour into the garden sprayer.
For roofs that are streaked and discolored with algae growth moss or other forms of mildew and mold you can still clean your roof and leave the power washer in the garage.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
Then mix standard laundry bleach with water.
Clean shingles on a cool humid overcast day to ensure that the cleaner doesn t dry too fast on the roof.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
Pour the mixture into the garden sprayer.
This is the best way to clean a roof if you have asphalt shingles.
You ll need corrosive cleaner like lye a garden hose a supplemental water pump or a specialized roof or shingle cleaning tool and the proper safety equipment.
Use a pressure washer which can loosen shingles and seriously damage your roof.