If you aim the pressure washer at an incorrect angle for example aiming upward at the asphalt roof and the shingles the water could jet beneath the shingles which could lead to water damage.
Can you pressure wash roof shingles.
You should never allow anyone who utilizes a power washer to clean your roof as they are damaging the shingles themselves by using this type of excessive pressure.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
Not to mention using a pressure washer from a high place is dangerous.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
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.
Then mix standard laundry bleach with water.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Read on for our best roof cleaning tips.
Diy roof cleaning certainly exists and with the proper methods tools and cleaning products an able homeowner can do an adequate job.
Off of your roofing shingles.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
Never pressure wash your roof if you have asphalt shingles.
Always stand on a dry area of the roof as wet shingles can be very slippery.
This is the best way to clean a roof if you have asphalt.
Water damage is a big no no especially in your roofing system because it means the damage doesn t quite stop there.
But pressure washing your asphalt roof will do more harm than good.
Sure it s tempting to want to get any moss algae dirt etc.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
The water pressure will remove the granules that are important for protecting your roof.
Utilizing excessive pressure to clean or rinse a roof will shorten the shingle life dramatically.
Of laundry strength liquid chlorine bleach and water.
But before you decide that this is your preferred method make sure you look at all the facts.
Start with a medium pressure spray pattern and adjust from there accordingly.
Never ever under any circumstances pressure wash your roof shingles on your own or pay a company to do so.