Attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer with a recommended cleaning.
How to power wash a shingle roof.
Never use a.
Cleaning step 2 make and apply the bleach solution.
Hose off and brush all moss loose from your roof shingles.
Put on rubber gloves and a breathing mask before proceeding you so you can.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
This is the best way to clean a roof if you have asphalt shingles.
Use of 35 40degree tips stay away from smaller tips which control the spray pattern positioning of the wand and direction of spray 45 degree angle and 8 to a foot distance from shingles.
Non slip soles will improve your.
Step 4 take precautions.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Always stand on a dry area of the roof as wet shingles can be very slippery.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
How to pressure wash roof shingles 1.
Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime and chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful things from your roof.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
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.
The two main methods for roof cleaning are.
Your roof is easily damaged with hard shoes.
Step 3 check for cleanliness and rinse.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
Use low pressure to spray it clean.
Put on shoes with soft non slip soles.
Then mix standard laundry bleach with water.
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.
Of laundry strength liquid chlorine bleach and water.
1500 psi or less with 10 15 gallons per minute.
Start with a medium pressure spray pattern and adjust from there accordingly.