Proper cleaning is an important step in roof maintenance.
Can you pressure wash a shingle roof.
Always stand on a dry area of the roof as wet shingles can be very slippery.
Never use a pressure washer to wash or rinse shingles.
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 water pressure will remove the granules that are important for protecting your roof.
Pressure washing is very effective but may be best for metal or concrete roofs.
This is the best way to clean a roof if you have asphalt shingles.
Don t use a pressure washer on the roof.
Never pressure wash your roof if you have asphalt shingles.
Start with a medium pressure spray pattern and adjust from there accordingly.
Some of this growth including the stains from algae spores.
There is a chance that the pressurized water could damage your shingles.
After spraying the roof with the.
Not to mention using a pressure washer from a high place is dangerous.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
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.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
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.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
How to clean roof shingles.
One day you may notice that your roof is turning black or fungus is spreading across of it.
Of laundry strength liquid chlorine bleach and water.
If you have a consistent problem with mold growth on your roof consult a roofing professional.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
Apply a storebought or diy cleaning.