You ll do more harm than good.
Pressure wash asphalt shingle roof.
Although each company operates differently here is a brief synopsis of what will be needed to do a good composition roof clean and treatment with no damage to roof.
Read on for our best roof cleaning tips.
Spraying water under your shingles can both tear off the shingles and force water under them and into your home.
Put on rubber gloves and a breathing mask before proceeding you so you can.
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.
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.
Never use a.
This is the best way to clean a roof if you have asphalt shingles.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Step 3 check for cleanliness and rinse.
Put on shoes with soft non slip soles.
High volume pressure wash pump 10 15 gallons per minute most of these types of pressure wash systems cost between 3 000 00 7 000 00 not your lowes or home depot variety for sure.
In severe cases it may take more than one bleach treatment to kill all of the moss.
Your roof is easily damaged with hard shoes.
Attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer with a recommended cleaning.
So why is power cleaning bad for your asphalt roof.
It will also leave gouge marks in the lower layers leaving them more vulnerable to the elements.
Place a ladder at.
The reason is simple.
Step 4 take precautions.
Aim the pressure washer down the roof toward the gutters and keep the tip of the wand at least a foot away from the surface when starting.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Cleaning asphalt shingles is an important part of protecting your roof.
Allow the solution to soak into the shingles for at least 15 minutes.
Cleaning step 2 make and apply the bleach solution.
It will have a nice thick layer of all that gritty.
Of laundry strength liquid chlorine bleach and water.
To stay safe suit up in long sleeves pants and safety goggles.
Even with growth forming on your roof s surface you should not break out the pressure washer on your asphalt shingles.
Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.
Never aim your pressure washer up the roof as it can push water under the shingles.
There are some steps that can be taken to discourage moss and algae growth.
Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.
That s where 50 of the remaining life of your roof is now sitting.
How to pressure wash roof shingles 1.
It takes a professional to clean a roof and they don t employ the use of high pressure equipment.
