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Can pressure washing damage concrete?

Yes, always
5%
In most cases
2%
In some cases
81%
No, never
9%
Not sure
1%
Next Question
Question: Can pressure washing damage concrete?
Top Answer (81% of 76 votes): In some cases.

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
Answer: In some cases
Explanation: Wrong chemical, or inexperienced company
Professional Pressure Washing
Answer: In some cases
Explanation: usually only if the concrete is cracked and can be broken into pieces
Stick's Pressure Washing
ProMatcher
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
Answer: In some cases
Explanation: Again if the wrong spray tip is used and to close to material in this case concrete.
Brightway Window Cleaning & Powerwashing
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
ProMatcher
Answer: In some cases
Explanation: Using too high of a pressure can scar or even crack concrete.
Rak Doc's Pressure Washing, LLC
Answer: In some cases
Explanation: A properly trained tech should not have a problem
Hood Technologies Fire Safety I nc
Answer: In some cases
Explanation: I.T depends on the size of the tip and the psi
D.A. Meadows Cleaning Service LLC
ProMatcher
Answer: In some cases
Explanation: If the concrete is too old ... need to be carefull
Miami Pro Pressure Washer LLC
Answer: In some cases
Explanation: By using the wrong spray nozzle
Pure Clean Pressure Washing LLC
Answer: Yes, always
Explanation: If Use Wrong Pressure
DDJ Mobile Pressure Washing and Car Washing, Detailing inc.
ProMatcher
Answer: In some cases
Explanation: Holding too close will cause it to chip
Cutt-N-Crew
Answer: In some cases
Explanation: Once again if your not careful a pressure washer can do some real damage.
S. Williams Painting
Answer: In some cases
Explanation: Very rarely, and only when used by an amateur.
Full Throttle Pressure Washing
ProMatcher
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
Answer: In some cases
Explanation: To much pressure and in cracks
Saul Reyes Contracting.
Answer: Yes, always
Explanation: If you hold it still it will damage the floor
Mr.shinywash.com
ProMatcher
Answer: In some cases
Explanation: Again if your not paying attention
Garys deck
Answer: In some cases
Explanation: if concrete is week
Artios Painting 309 788 9432
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
ProMatcher
Answer: In some cases
Explanation: Yes if in poor shape.
Temple Painting
Answer: In some cases
Explanation: It is not so much that pressure washing can damage concrete surfaces. More of the issue is that some pressure washers do not know what they are doing and will leave lines from the cleaning process. This happens often on large sidewalks.
5 Star Property Maintenance & Pressure Washing, LLC
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
ProMatcher
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
Answer: In some cases
Explanation: If you pressure clean new concrete, yes, you can damage the surface of it.
Sunshine Business Group LLC
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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