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Is it safe to pressure wash an asphalt shingle roof?

Yes
10%
In most cases
9%
In some cases
15%
No
60%
Not sure
4%
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Question: Is it safe to pressure wash an asphalt shingle roof?
Top Answer (60% of 224 votes): No.

Answer: No
Explanation: I would never use a pressure washer on roof shingles
Surface Pros Staining and Coating
Answer: In some cases
Explanation: Depends on the situation
Montis Crew
Answer: In most cases
Explanation: When doing house and roof washing, it is best to do soft washing. This is a lower pressure style( usually 300-800 psi) of pressure washing.
Waterworx Pressure Washing
ProMatcher
Answer: No
Explanation: NO pressure should be used on a roof, EVER.
Xtreme Window Cleaning & Pressure Washing, LLC
Answer: In most cases
Explanation: Sometimes
Mayjor Clean LLC
Answer: No
Explanation: Softeash only
Hired Guns Home Services
ProMatcher
Answer: In some cases
Explanation: Pressure washing an asphalt shingle roof can be risky and potentially damaging if not done correctly. Here are some factors to consider: Low Pressure: If you decide to pressure wash your asphalt shingle roof, it's crucial to use low-pressure settings. High-pressure washing can dislodge shingles, strip away the granules that protect the shingles, and cause water infiltration. Technique: Proper technique is essential. The nozzle should be aimed downward to avoid lifting the shingles. You should also maintain a safe distance from the roof to prevent damage. Cleaning Solution: Use a gentle cleaning solution that won't harm the shingles. Avoid harsh chemicals that can deteriorate the asphalt and granules. Professional Help: Given the potential risks, it's often safer to hire a professional roof cleaning service. They have the experience, equipment, and knowledge to clean your asphalt shingle roof safely. Inspection: Before cleaning, inspect the roof for any damaged or loose shingles. Repair or replace them before pressure washing to prevent water from getting underneath. Protective Measures: Protect your landscaping and the rest of your property from the cleaning solution and debris that may fall from the roof. In summary, pressure washing an asphalt shingle roof can be done safely if you take precautions, use the right equipment, and follow best practices. However, it's often advisable to seek professional help to minimize the risk of damage to your roof.
Put Pressure On Em
Answer: No
Explanation: This can cause leaks in the roof.
BigJobAust wash and stain
Answer: In some cases
Explanation: Pressure washing an asphalt shingle roof requires the overall integrity of the shingles to be in good shape with no prior damages from high winds, etc. The usage of a proper cleaning solution made exclusively for asphalt shingle roofing is a must. A solution made with bleach is considered too harsh and can dry out the shingles and make them brittle. When doing power washing on a roof, it is important to use the proper PSI pressure because if done too high it can severely damage the roofing which can lead to the roof leaking and cause considerable damage to the attic area, damage insulation, and leak downwards into the main house area. This can be a very costly mistake.
Spivey Power Wash
ProMatcher
Answer: No
Explanation: A soft wash required due to low pressure
Giddurdunn LLC
Answer: No
Explanation: This type of roofing requires a soft wash procedure coupled with the proper chemicals for cleaning algae and stains. Soft wash is low pressure and high volume application of chemicals followed by a complete rinse. We avoid pressure washing these surfaces to protect the existing aggerate on the surface of the shingle
Northeast Hydro Clean
Answer: No
Explanation: Shingles should only be soft washed.
SLIC Windows & Solar Cleaning
ProMatcher
Answer: No
Explanation: Never apply high pressure to asphalt shingles. It will destroy the structural integrity of your roof. Softwashing is the safest and most efficient way to properly clean your roof.
All American Pressure Cleaning
Answer: No
Explanation: It could damage your asphalt if you water pressure is concentrated in one spot for too long.
Consumable Cleaning Service LLC
Answer: In some cases
Explanation: Only with soft washing. Using the correct chemicals and very little pressure makes it possible to clean rooftops.
GiddurDunn LLC.
ProMatcher
Answer: No
Explanation: Pressure Washing a roof will damage a roof. its best to soft wash (low pressure) and rinse clean
extra effort prowashing
Answer: Yes
Explanation: Yes, but . . . you better know what you're doing.
Roofer Mike Inc
Answer: No
Explanation: Never use a pressure washer on an asphalt roof!
Cooper Pressure Wash & Exterior Cleaning
ProMatcher
Answer: No
Explanation: A knowlegable professional will only soft wash a roof.
Amazing 20/20 Services
Answer: No
Explanation: Pressure washing the asphalt shingles will ruin the shingles.
Inviso Services
Answer: No
Explanation: Pressure washing a roof will take asphalt of and shorten the life of the roof. We would use dilute bleach and soft wash.
SOUTHERN EXTERIORS
ProMatcher
Answer: Yes
Explanation: Only soft wash asphalt shingles. We do this on a regular basis. People are surprised at what a soft wash on their roof can do and the results it brings. Not only does it extend the life of your roof, but it makes it clean again and saves you a ton of money by not replacing it.
SparKlean
Answer: In some cases
Explanation: In some cases if you are knocking off moss. Otherwise chemical application is enough.
Prestige Power Washing, LLC
Answer: No
Explanation: It will ruin shingles. It is better to soft wash roofs
Double A Pressure Washing
ProMatcher
Answer: No
Explanation: Should be done with soft washing not power washing
Moreira's Service
Answer: In some cases
Explanation: Condition of the shingles themselves will dictate if they can be cleaned.
Ultimate power washing systems
Answer: Yes
Explanation: We use a soft wash system which will not damage your shingles and we leave a coating on it to keep mold away longer
Professional Pressure Washing
ProMatcher
Answer: No
Explanation: May damage shingles
Moore and Sons Exhaust Hood Cleaning
Answer: In most cases
Explanation: I would say yes 95 % of the time,unless there is significate damage or there is a leak or mildew on the roof.
Stick's Pressure Washing
Answer: No
Explanation: It is simply not safe and will cause more harm than good.
Wildcat Pressure Washing
ProMatcher
Answer: No
Explanation: It will destroy the life span of the roof. Soft wash roof cleaning only.
juan pressure cleaning
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
ProMatcher
Answer: No
Explanation: Never ever use pressure to clean a roof. If anyone ever climbs on your roof with a pressure washer fire them right then.
Clean Slate Pressure Washing
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
ProMatcher
Answer: No
Explanation: Rock granules on the asphalt shingles will come loose and fall off the shingles if high pressured water is used.
Under Pressure society
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: 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
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