Always stand on a dry area of the roof as wet shingles can be very slippery.
Can you pressure wash a shingle roof.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
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.
Some of this growth including the stains from algae spores.
The water pressure will remove the granules that are important for protecting your roof.
It s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage the shingles coating of protective grit.
How to clean roof shingles.
Not to mention using a pressure washer from a high place is dangerous.
Never pressure wash your roof if you have asphalt shingles.
Pressure washing is very effective but may be best for metal or concrete roofs.
One day you may notice that your roof is turning black or fungus is spreading across of it.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
Start with a medium pressure spray pattern and adjust from there accordingly.
Never use a pressure washer to wash or rinse shingles.
Of laundry strength liquid chlorine bleach and water.
Don t use a pressure washer on the roof.
The concentrated jet will scrape off the small pebbles on top of the shingles and reduce their water repellency which will only make your mold situation worse.
Use low pressure to spray it clean the power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip.
Spraying with a hose or pressure washing from ground level forces water up underneath the shingles and or decking which can lift the roofing materials and create leaks and deck rot.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
Apply a storebought or diy cleaning.
After spraying the roof with the.
If you have a consistent problem with mold growth on your roof consult a roofing professional.
There is a chance that the pressurized water could damage your shingles.