To stay safe suit up in long sleeves pants and safety goggles.
Pwer washing asphalt shingel roofs.
You should never allow anyone who utilizes a power washer to clean your roof as they are damaging the shingles themselves by using this type of excessive pressure.
The rains will slowly wash away the decaying growths.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
Then mix standard laundry bleach with water.
Attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer with a recommended cleaning solution.
Cleaning asphalt shingles is an important part of protecting your roof.
1 to 3 cups white distilled vinegar 2 gallons of water.
Therefore it strips away years of your roof s lifespan.
Power washing a composition roof will remove the protective granular from the outer layer of the shingles leaving the shingles less protected from the sun and other harsh weather conditions.
This is the least aggressive way to clean the roof of moss and lichens.
This is not a quick process and can take up to 90 days.
It will also leave gouge marks in the lower layers leaving them more vulnerable to the elements.
Non slip soles will.
It is safe to use sodium hypochlorite.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
When done right a low pressure washing of a composition roof should produce no more granule loss than a normal rain cycle.
Utilizing excessive pressure to clean or rinse a roof will shorten the shingle life dramatically.
This method of chemical cleaning is what we call soft washing.
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.
If your problem is.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
For any of these homemade options you ll want to wet down the roof with plain water first then apply the cleanser and let it sit.
Your roof is easily damaged with hard shoes.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
Put on shoes with soft non slip soles.
These granules are what enable your roof to protect your home from the elements like rain wind and sun.
How to pressure wash roof shingles.
Take a good look in the gutters.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.