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Is it safe to pressure wash an asphalt shingle roof?

Yes
12%
In most cases
9%
In some cases
15%
No
56%
Not sure
5%
Next Question
Question: Is it safe to pressure wash an asphalt shingle roof?
Top Answer (56% of 152 votes): No.

Answer: No
Explanation: Never power wash, the only safe and effective way to clean roof is a soft wash roof cleaning.
Jackson Services
Answer: In some cases
Explanation: Lower pressure and higher volume of heated wash water can remove stubborn growth without damaging the shingle
Delta Pressure Washing
Answer: No
Explanation: Absolutely not, it will void any roof warranty, high chance of roofing damages, and could leave very severe leaks. Low-pressurized roof cleaning is what must be done for any roof cleaning, which is what we specialize in.
One Man Army Pressure Cleaning
ProMatcher
Answer: In most cases
Explanation: If a roof is super heavy with moss you lose a lot of roof gravel because the moss has eaten/loosened them. In most cases as long a chemical is the correct strength (I use a hydrogen peroxide-based roof cleaning solution)and washer pressure is correct. it is safe to use a pressure washer to remove stubborn black mold etc... stains.
Brightway Window Cleaning & Powerwashing
Answer: In most cases
Explanation: Only if you use "soft wash" technique
Shafer's Pressure Washing
Answer: In some cases
Explanation: As long as you dont get to close to the shingle, or else you will damage the roof permanently.
Genn-USA Pressure Washing Services
ProMatcher
Answer: No
Explanation: High pressure should never be used on an asphalt shingle roof, or any other type of roof. Using high pressure can remove the aggregate from the asphalt shingle leaving them unprotected from the elements. Using pressure on roofing materials is a sure way to cause decrease the life of your roof and could cause leaking. If you have a roof that has growth on it like moss, algae or lichen these can be safety removed with proven soft washing processes that can be done safely from the ground or a ladder.
Touchstone Exteriors, LLC
Answer: Yes
Explanation: Yes, but . . . you better know what you're doing.
Roofer Mike Inc
Answer: No
Explanation: Never, ever under any circumstances pressure wash your roof shingles on your own or pay a company to do so. Sure, it's tempting to want to get any moss, algae, dirt, etc. off of your roofing shingles. But pressure washing your asphalt roof will do more harm than good.
Cleaner Solutions Power Washing LLC
ProMatcher
Answer: No
Explanation: High pressure will not only void your warranty but damage the shingles. Low pressure known as softwash with the correct detergent should be used.
CM Pressure Pro
Answer: No
Explanation: Pressure washing is one of the worst possible things you can do to a roof. The pressure will most likely damage the shingles. The proper way to clean an asphalt roof is by applying the proper cleaning agents and rinsing with high volumes of water at a very low pressure. Most refer to this method as soft washing. It is the same method we use for all of our house washes. It ensures a delicate but extremely efficient clean.
Rak Doc's Pressure Washing, LLC
Answer: No
Explanation: Can affect the integrity of the roof
Hood Technologies Fire Safety I nc
ProMatcher
Answer: Yes
Explanation: Its safe to Clean Asphalt Shingle Roofs, but not with pressure. All our roof cleaning services are provided using less than 50 PSI to rinse off the dirt after the cleaning process.
Commercial Restorations
Answer: No
Explanation: Not at all no roof should be high pressure washed. Soft washed with proper chemicals and rinse and soaking is needed.
All Washed Up 4 You
Answer: In some cases
Explanation: I’m some cases it’s not safe because you really don’t know the damage to the roof that was already created and if your your washing the roof ,use a soft wash that way you don’t damage the shingles.
D.A. Meadows Cleaning Service LLC
ProMatcher
Answer: No
Explanation: Pressure washing an asphalt roof will remove the small granular's from the shingles. You will ruin the shingles if they get power washed.
AAA Power Washers Inc.
Answer: No
Explanation: Not Recommended because the water pressure can easily dislodge granules which shortens the life of the roof
JPS-WNC llc
Answer: No
Explanation: No it is too brittle to handle the heat and pressure
Hallelujah mobile detail & pressure washing
ProMatcher
Answer: No
Explanation: Soft wash method is the best way to cleaning a roof. It’s a spray on spray off method. Spraying on the Chemical and spray in it off
BLUE WAVE PRESSURE CLEANING
Answer: No
Explanation: Shingle roof needs a mix of low pressure and chemicals .
Miami Pro Pressure Washer LLC
Answer: No
Explanation: Shingle roofs should never be pressure washed. In a best case scenario pressure washers will remove the limestone granulas in the shingles. Pressure washers are more than capable of tearing or completely removing shingles from your roof. Our soft wash processes are recommended by shingle manufacturers as the only way to effectively clean your shingle roof with out damaging it.
T and H Exterior Cleaning Services
ProMatcher
Answer: Not sure
Explanation: I have never been asked to provide this service.
Southside Mobile Pressure Washing & Auto Detailing
Answer: No
Explanation: If anything, you would have areas that needs to be patched up do to weather tear & ware.
A. ESCALANTE'S PRESSURE WASHIN
Answer: In some cases
Explanation: As long as you dont use high pressures
Cutt-N-Crew
ProMatcher
Answer: No
Explanation: I would recommend a no pressure wash. It more relies more on the chemical than the pressure.
S. Williams Painting
Answer: No
Explanation: The shingles could be damaged
Roop's Lawn Services, LLC
Answer: No
Explanation: Pressure cleaning asphalt shingle roofs will not only void your warranty. It also damages the Shingle by removing the granules, thus leaving no protection. I only use a proved methods set forth buy the Shingle manufacturers!
Under Pressure Power Wash LLC
ProMatcher
Answer: No
Explanation: pressure washing your asphalt roof will do more harm than good
handyman solutions
Answer: No
Explanation: will rip off the texture
Nutley Power Wash
Answer: In some cases
Explanation: I wouldn't recommend it, because of the possibility of damage to the shingles, but a light wash could be done as long as the roof is relatively new.
Johnnyfin Paints
ProMatcher
Answer: In some cases
Explanation: Only if low pressure system is used.. "high pressure washing" is never safe on an asphalt shingle roof
Hall County Pressure Wash
Answer: In some cases
Explanation: My general liability insurance does not cover roof cleaning.
Matt's Wash-It-All, LLC
Answer: No
Explanation: I would not recommend it it will wash off all the granuals over time reducing the life of the roof
all-phaze handyman & TV install
ProMatcher
Answer: No
Explanation: Not Safe
Innovations Building Services
Answer: No
Explanation: It will release the coating on shingles affecting the integrity
Alpine home repairs
Answer: Not sure
Explanation: I don't pressure wash roofs
Sparkles Janitorial Services
ProMatcher
Answer: No
Explanation: The steep incline could make them come off
Saul Reyes Contracting.
Answer: Not sure
Explanation: I don't think so but there might be a special circumstance that it might work.
Mr.shinywash.com
Answer: In some cases
Explanation: Depending on the condition of t h e roof
Hood Technologies
ProMatcher
Answer: Not sure
Explanation: It is our practice not to wash roofing. Roofing was designed for rain, not for pressure and water with detergent. Use of more gentle green hose sprayed chemicals is a better choice.
MetroNYInsulation.com
Answer: No
Explanation: Pressure damage the shingle Roof
Professinal Plumbing & Handyman
Answer: Yes
Explanation: Yes but vary low pressure with a miles cleaner
Garys deck
ProMatcher
Answer: No
Explanation: It will degrade the lifespan of the roof and create a slipperier surface to work from.
Rock Solid Finish
Answer: No
Explanation: Could damage the roof.
Iowa CleanUp Services
Answer: No
Explanation: I do not power wash roofs. That is the only surface I will not get involved with because of liability issues.
Dan's Pressure Washing and Sealing
ProMatcher
Answer: No
Explanation: I soft wash them. Low pressure.
Temple Painting
Answer: No
Explanation: We do not pressure wash roofs. We only use softwash technology on the roofs. Pressure washing a roof can be damaging to the roof materials.
5 Star Property Maintenance & Pressure Washing, LLC
Answer: In most cases
Explanation: i do low pressure/soft wash
the marc of clean windows
ProMatcher
Answer: No
Explanation: Never pressure clean a shingle roof. We can do a soft wash with no pressure and get it looking like brand-new again without any damage. That is our specialty!
Sunshine Business Group LLC
Answer: Not sure
Explanation: This is an opinion and for us anytime you apply pressured water to a roof there is no doubt you are pushing off the granules that are very important to the life of a shingle off when you pressure wash. We do not suggest it
American roofing &remodeling
Answer: Yes
Explanation: It has to be done with the right chemical and the correct amount of pressure
Zero Streak Window Cleaning
ProMatcher
Answer: No
Explanation: Never pressure wash asphalt shingles. If anyone ever says they will use a pressure washer on your roof, send they away
Clark Home Services
Answer: No
Explanation: Never!
NEXT GERERATION SERVICES
Answer: No
Explanation: High pressure can cause serious damage to the key components of shingles. You must clean a roof with very low pressure and using a proper chemical solution that will kill mold, algae, mildew and other contaminants.
Tampa Pressure Washing
ProMatcher
Answer: In some cases
Explanation: not if the tile has mold on it.
The Wildlife Specialist LLC
Answer: Yes
Explanation: With low pressure if you know how
Affordable Property Preservations
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