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Can pressure washing damage concrete?

Yes, always
5%
In most cases
2%
In some cases
82%
No, never
8%
Not sure
1%
Next Question
Question: Can pressure washing damage concrete?
Top Answer (82% of 79 votes): In some cases.

Answer: In some cases
Explanation: If water pressure is too high, it will literally cut through the concrete.
Under Pressure society
Answer: In some cases
Explanation: In some cases pressure washing can damage a concrete driveway. This means the it is possible to break up the mortar with a direct blast from a 2500 PSI pressure washer held less than an inch above it.
Inviso Services
Answer: In some cases
Explanation: It is possible to break up the mortar with a direct balst from a 2500 PSI pressure washer held less than an inch above it.
Prestige Power Washing, LLC
ProMatcher
Answer: In some cases
Explanation: usually only if the concrete is cracked and can be broken into pieces
Stick's Pressure Washing
Answer: In some cases
Explanation: While not common, we have seen circumstances where we had to reduce PSI because the concrete was being affected.
Wildcat Pressure Washing
Answer: In some cases
Explanation: If a surface cleaner is not used then yes, uneven areas will show. With a surface cleaner, unless its colored concrete, it should be fine.
Elite Window Washing
ProMatcher
Answer: In some cases
Explanation: Pressure washers can damage concrete. Some things to consider before pressure washing concrete are the quality of the concrete, age, how the pressure washer is used and frequency of cleaning. Concrete is rated for a certain weight per square foot/inch etc. exceedingly high pressures can do a lot of damage and even remove that skim coat on the top of the concrete surface exposing the aggregate and often unsealed/unprotected layer of concrete below it. Even when professionals use rotary surface cleaners damage can still be done which is why it's important to take the above into consideration and adjust your spray nozzles accordingly.
Touchstone Exteriors, LLC
Answer: In some cases
Explanation: Yes, in some cases were the grease and dirt is heavy and you are focused in one spot with a high jet spray.
Seymour Clearly
Answer: In some cases
Explanation: Using too high of a pressure can scar or even crack concrete.
Rak Doc's Pressure Washing, LLC
ProMatcher
Answer: In some cases
Explanation: I.T depends on the size of the tip and the psi
D.A. Meadows Cleaning Service LLC
Answer: Yes, always
Explanation: Depending on age of concrete
Hallelujah mobile detail & pressure washing
Answer: In some cases
Explanation: If the concrete is too old ... need to be carefull
Miami Pro Pressure Washer LLC
ProMatcher
Answer: Yes, always
Explanation: If Use Wrong Pressure
DDJ Mobile Pressure Washing and Car Washing, Detailing inc.
Answer: In most cases
Explanation: If your concrete area is solid with no cracks, no damage will come of it. But if it has cracks here and there then expect your concrete area looking clean with cracks being more noticeable. Careful when spraying the cracks.
A. ESCALANTE'S PRESSURE WASHIN
Answer: In some cases
Explanation: Holding too close will cause it to chip
Cutt-N-Crew
ProMatcher
Answer: In some cases
Explanation: Very rarely, and only when used by an amateur.
Full Throttle Pressure Washing
Answer: In some cases
Explanation: Very rare but holding the tip of a pressure gun too close can start to erode the concrete.
Johnnyfin Paints
Answer: In some cases
Explanation: Pressure washing concrete is great to do but it must be done at the right pressure. Newer concrete is more acceptable to damage than older concrete,but,all concrete can be damaged with a pressure washer.
Building Wash NC
ProMatcher
Answer: Yes, always
Explanation: If you hold it still it will damage the floor
Mr.shinywash.com
Answer: In some cases
Explanation: Depends on condition of surface
Hood Technologies
Answer: In some cases
Explanation: Again if your not paying attention
Garys deck
ProMatcher
Answer: In some cases
Explanation: if a surface is loose and has been cracked due to a shift in the ground this will cause loose particles to be flown around and can cause damage.
Dan's Pressure Washing and Sealing
Answer: In some cases
Explanation: On new concrete you can damage the surface and too much pressure and any much concrete can pit it.
Quality Pressure Washing of Houston
Answer: In some cases
Explanation: Yes if in poor shape.
Temple Painting
ProMatcher
Answer: In some cases
Explanation: Pressure washing can damage most surfaces, the material needs to be inspected first. New concrete under 12 months old can be very easily damaged and the surface left pitted
H2O Environmental Alabama LLC
Answer: In some cases
Explanation: Its all up to the operator to do good and back off or get to close to the surface and leave markings
Jani-Serv, Inc.
Answer: In some cases
Explanation: The wrong equipment, techniques and little experience... yes, pressure washing can damage concrete... however, knowing the right techniques with the right equipment and proven experience will eliminate risk to pressure washing concrete.
Big Clean HQ
ProMatcher
Answer: In some cases
Explanation: if the pressure is too high the concrete can get damaged
Same Day Cleaning Services Inc
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