Can You Pressure Wash A Shingle Roof
Not to mention using a pressure washer from a high place is dangerous.
Can you pressure wash a shingle roof. Pressure washing is very effective but may be best for metal or concrete roofs. There is a chance that the pressurized water could damage your shingles. Use a pressure washer which can loosen shingles and seriously damage your roof. Never pressure wash your roof if you have asphalt shingles.
Proper cleaning is an important step in roof maintenance. Apply a storebought or diy cleaning. Some of this growth including the stains from algae spores. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder. Always stand on a dry area of the roof as wet shingles can be very slippery. 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 water pressure will remove the granules that are important for protecting your roof.
This is the best way to clean a roof if you have asphalt shingles. If you have a consistent problem with mold growth on your roof consult a roofing professional. The high powered water jets can damage shingles and remove the shingle granules that protect the roof. Of laundry strength liquid chlorine bleach and water.
Never use a pressure washer to wash or rinse shingles. The safest and smartest way is to contact a qualified roofer to assess the situation and offer some suggestions that will give you the results you want without any. How to clean roof shingles. Start with a medium pressure spray pattern and adjust from there accordingly.
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. Don t use a pressure washer on the roof. One day you may notice that your roof is turning black or fungus is spreading across of it. 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.