One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
Asphalt shing e roof cleaning.
Be warned that this solution application and rinse process will make the roof surface slippery and potentially hazardous to walk on during treatment.
Black streaks on your roof.
Asphalt shingles which are sometimes called different names such as duroid tend to get excessive algae staining and moss growth here in metro vancouver.
Check the fading of stains.
Repeat the cleaning process if stains are still visible.
In severe cases it may take more than one bleach treatment to kill all of the moss.
Finally rinse the solution from the roof by gently spraying the surface with water.
This chemical is commonly used in products like drain cleaner and oven cleaner.
Simple cover your plants just as painters do.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
This will loosen up the dirt droppings and other stains.
Spray it onto the shingle surface and let it sit for about 10 minutes.
They are generally easier to maintain and are therefore one of the cheapest to have cleaned.
To stay safe suit up in long sleeves pants and safety goggles.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Never use a pressure washer to clean an asphalt shingle roof as this w ill cause granule loss and very likely premature failure of the roof system.
Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.
Then mix standard laundry bleach with water.
Cleaning asphalt shingles is an important part of protecting your roof.
The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater.
The solution should be left on the roof for at least 15 minutes but for no more than 20 minutes.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
Soak bushes lawn and flower beds again while the roof dries.
Asphalt shingle roofs are one of the more common roof types that we see in the lower mainland.
Asphalt shingle roof cleaning of lower alabama.
Wipe it away with a soft brush so you do not remove much of the asphalt.