Can You Pressure Wash A Shingle Roof

Never pressure wash your roof if you have asphalt shingles.

Can you pressure wash a shingle roof.

Of laundry strength liquid chlorine bleach and water. This is the best way to clean a roof if you have asphalt shingles. 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 a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.

Not to mention using a pressure washer from a high place is dangerous. Pressure washing is very effective but may be best for metal or concrete roofs. The water pressure will remove the granules that are important for protecting your roof. Apply a storebought or diy cleaning.

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. 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. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. Use a pressure washer which can loosen shingles and seriously damage your roof.

If you have a consistent problem with mold growth on your roof consult a roofing professional. Never use a pressure washer to wash or rinse shingles. Some of this growth including the stains from algae spores. Don t use a pressure washer on the roof.

Proper cleaning is an important step in roof maintenance. 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. Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder. The high powered water jets can damage shingles and remove the shingle granules that protect the 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. One day you may notice that your roof is turning black or fungus is spreading across of it. How to clean roof shingles. Always stand on a dry area of the roof as wet shingles can be very slippery.