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Is it safe to pressure wash an asphalt shingle roof?

Yes
12%
In most cases
8%
In some cases
14%
No
60%
Not sure
4%
Next Question
Question: Is it safe to pressure wash an asphalt shingle roof?
Top Answer (60% of 183 votes): No.

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
Answer: No
Explanation: It will hurt the life of roof
Nutley Pressure Wash
ProMatcher
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
Answer: No
Explanation: Well your never put high pressure on the single , you blow of all the granule
Shinecleansolution
ProMatcher
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
Answer: No
Explanation: Pressure washing asphalt shingle will shave years off the life of your roof life.
M&E Power Washing
ProMatcher
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
Answer: No
Explanation: You need a roof cleaning attachment. I use a chemical with a mixture based on how dirty the roof is, then I soft wash with my second story nozzle for the wand I’m using.
Pressure Works
ProMatcher
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
Answer: No
Explanation: The shingles will fly off faster than justin beiber's skirt.
Elite Window Washing
ProMatcher
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
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: 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
Answer: No
Explanation: Pressure washing should only be done on hard surfaces. Concrete, wood, metal are most popular. We would not recommend pressure washing asphalt shingles. You should just replace them with new shingles if damaged. If just dirty use a cleaner and low pressure water.
NorthCraft Epoxy Floor Coating
ProMatcher
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
Answer: No
Explanation: Pressure and roofs should not go together. we offer a soft wash service to get any roof cleaned from mold and mildew.
ReFresh Pressure Washing-Mcdonough GA
ProMatcher
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
Answer: No
Explanation: Only soft washing is recommend as high pressure will damage shingles
J & M Pressure Washing
ProMatcher
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
Answer: No
Explanation: Low pressure only
Pro Force Property Maintenance
ProMatcher
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
Answer: Not sure
Explanation: I Don't Do Roofs At The Present Time
DDJ Mobile Pressure Washing and Car Washing, Detailing inc.
ProMatcher
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
Answer: No
Explanation: gravel will come off shingles
2 POWERWASH GUYS
ProMatcher
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
Answer: No
Explanation: soft wash
Dwyer Cleaning
ProMatcher
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
Answer: No
Explanation: Pressure washing will take the granules off and by doing so will reduce the lifespan of the roof
Building Wash NC
ProMatcher
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
Answer: No
Explanation: You could tear the shingles with to high of pressure.
Black Dirt Services LLC
ProMatcher
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
Answer: No
Explanation: Pressure washing should never be done on an asphalt shingle roof. The pressure WILL blow of a significant portion of the granules which are a vital part of protection for your roof. Power washing at low pressure and chemical washing are the preferred methid for Asphalt shingled roofs.
Allegiant Roofing, LLC
ProMatcher
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
Answer: Yes
Explanation: If u are careful don't get to close u will tears jingle up
HAMMER & SONS CONSTRUCTION
ProMatcher
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
Answer: In most cases
Explanation: I use calbrite and low presher
Artios Painting 309 788 9432
ProMatcher
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
Answer: No
Explanation: Never
Mallett Pro Wash
ProMatcher
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
Answer: In most cases
Explanation: Yes but we would not use high pressure we would use soft wash techniques
H2O Environmental Alabama LLC
ProMatcher
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
Answer: In some cases
Explanation: Only with the right chemicals and low pressure can you do it safely. Other than that not recommended.
Xstream detailing
ProMatcher
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
Answer: In some cases
Explanation: Light Pressure
Window Genie of Killeen / Your Holiday Lights
ProMatcher
Answer: Yes
Explanation: With low pressure if you know how
Affordable Property Preservations
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