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Is it harmful to pressure wash an asphalt shingle roof?

Yes
54%
No
16%
In some cases
24%
Unsure
4%
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Question: Is it harmful to pressure wash an asphalt shingle roof?
Top Answer (54% of 146 votes): Yes.

Answer: Yes
Explanation: Do not recommend this
Surface Pros Staining and Coating
Answer: Yes
Explanation: Its never safe
Montis Crew
Answer: In some cases
Explanation: Make sure to to use proper cleaners / proper PSI stay under 800
Spivey Power Wash
ProMatcher
Answer: Yes
Explanation: Pressure washing an asphalt shingle roof can be harmful and is generally not recommended. Asphalt shingles are delicate and can be easily damaged by high-pressure water. Here are some reasons why pressure washing an asphalt shingle roof is not a good idea: Damage to Shingles: High-pressure water can dislodge or lift the shingles, leading to leaks and roof damage. Granule Loss: Asphalt shingles have protective granules that help shield them from the elements. Pressure washing can strip away these granules, reducing the shingles' lifespan and effectiveness. Water Intrusion: Intense pressure can force water under the shingles, potentially causing leaks and water damage to the underlying structure. Safety Concerns: Walking on a wet, sloped roof while operating a pressure washer can be dangerous, posing a risk to both the person performing the task and anyone nearby. If your asphalt shingle roof needs cleaning due to algae, moss, or stains, it's best to use a gentler approach called soft washing. Soft washing involves using a low-pressure water spray along with specialized cleaning solutions to remove stains and growth without damaging the shingles. Soft washing is safer for your roof and can extend its lifespan. If you're not experienced with roof cleaning or soft washing, it's advisable to hire a professional who specializes in this service. They will have the appropriate equipment and expertise to safely and effectively clean your asphalt shingle roof without causing harm.
Put Pressure On Em
Answer: Yes
Explanation: Soft washing methods should only be used to clean an asphalt roof.
Jay Squared Pressure Washing
Answer: In some cases
Explanation: We would suggest a soft wash and rinse.
SOUTHERN EXTERIORS
ProMatcher
Answer: Yes
Explanation: You never pressure wash shingles.
Bubba's hauling and house cleaning
Answer: Yes
Explanation: Yes, it can lead to granule loss which can prematurely decrease the life of your roof.
Top Shield Roofing
Answer: Yes
Explanation: Do not pressure wash an asphalt roof ever
Cooper Pressure Wash & Exterior Cleaning
ProMatcher
Answer: Yes
Explanation: It reduces the life span of the roof.
Amazing 20/20 Services
Answer: Yes
Explanation: Pressure washing your asphalt roof will do more harm than good. Pressure washing strips the granules from asphalt shingles.
Inviso Services
Answer: No
Explanation: Only if you use a soft wash method.
SparKlean
ProMatcher
Answer: Yes
Explanation: Pressure washing an asphalt roof will take years off the life of it.
M&E Power Washing
Answer: In some cases
Explanation: If the shingles are old and brittle it is best not to clean them with pressure and stick to chemical cleaning.
Ultimate power washing systems
Answer: Yes
Explanation: If not done right it can destroy your shingles that's why I only do soft chemical wash to preserve it and get rid of mold, and dirt off of your roof
Professional Pressure Washing
ProMatcher
Answer: No
Explanation: unless there is a crack or seam that is in the asphalt.
Stick's Pressure Washing
Answer: In some cases
Explanation: Now a days soft wash is the way to go but using a pressure washer on a single roof at a right distance with the proper chemical it can be a safe way also if not done right and are to close to the shingle you can taer pieaces of asphalt
Deepshine pressure cleaning
Answer: Yes
Explanation: It will destroy the lifespan of your roof and you can be seriously hurt if you try to wash it.
Wildcat Pressure Washing
ProMatcher
Answer: Yes
Explanation: 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. ... The damage caused by pressure washing is not immediately noticeable. Pressure washing strips the granules from asphalt shingles.
Pro Clean
Answer: In some cases
Explanation: If the contractor is not experienced in cleaning roofs they can cause excess roof gravel removal.
Brightway Window Cleaning & Powerwashing
Answer: In some cases
Explanation: Porter’s Powerwashing currently does not offer roof cleaning.
Porter’s Powerwashing
ProMatcher
Answer: Yes
Explanation: Can affect the integrity of the roof
Hood Technologies Fire Safety I nc
Answer: In some cases
Explanation: Not all cases it’s not harmful but just have to light wash it
D.A. Meadows Cleaning Service LLC
Answer: Yes
Explanation: High pressure will remove the granular's within the asphalt, I would not recommend it.
AAA Power Washers Inc.
ProMatcher
Answer: In some cases
Explanation: Depends on the age of material
Hallelujah mobile detail & pressure washing
Answer: In some cases
Explanation: Ask for Experience in shingle roof ... is need it if you don’t want damaged
Miami Pro Pressure Washer LLC
Answer: Unsure
Explanation: I Don't Do Roofs At The Present Time
DDJ Mobile Pressure Washing and Car Washing, Detailing inc.
ProMatcher
Answer: No
Explanation: Not using lower pressures
Cutt-N-Crew
Answer: Yes
Explanation: A shingle roof should be low pressure washed. Using more the chemicals to clean it.
S. Williams Painting
Answer: No
Explanation: mildew and grime build up and roof wears out quicker
2 POWERWASH GUYS
ProMatcher
Answer: Yes
Explanation: NEVER PRESSURE WASH A ASPHALT ROOF !! Only soft wash method should be allowed !!
Building Wash NC
Answer: No
Explanation: If trees leave a coating on your roof or you have mosey coats growing then you should get it washed
Saul Reyes Contracting.
Answer: In some cases
Explanation: If shingles are brittle
HAMMER & SONS CONSTRUCTION
ProMatcher
Answer: No
Explanation: low sweeping presher
Artios Painting 309 788 9432
Answer: Yes
Explanation: The loose particles that have been sitting for a long period of time and shingles can get damaged. I do not power wash roofs.
Dan's Pressure Washing and Sealing
Answer: Yes
Explanation: The pressure can remove the protective granules
Mallett Pro Wash
ProMatcher
Answer: Yes
Explanation: We do not pressure wash roofs; we only soft wash roofs.
5 Star Property Maintenance & Pressure Washing, LLC
Answer: In some cases
Explanation: We would use soft wash rather than actual pressure
H2O Environmental Alabama LLC
Answer: No
Explanation: if done properly
G M M Property Inspections
ProMatcher
Answer: Yes
Explanation: Pressure washing an asphalt shingle will lessen the life expectancy of a shingle as you end up removing roofing granules when you pressure wash
American roofing &remodeling
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Related Questions

What is the best way to remove algae from a wood shingle roof?Top answer: Power wash with a chemical mix

What is the best way to remove algae from an asphalt roof?Top answer: Power wash with a chemical mix

Will roof cleaning extend the life of a roof?Top answer: It depends on the type of roof and type of cleaning

What is the best way to remove algae from a tile roof?Top answer: Pressure wash with a water chemical mix

Is it advisable to power wash a wood shingle roof?Top answer: No



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