Can Pressure Cleaning Damage Concrete Surfaces?

Isaac Haslock • August 16, 2021

Accomplishing a Damage-Free Pressure Wash

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Concrete often comes off as a fail-proof and unbreakable material, but that’s far from the truth—especially when it comes to high-pressure cleaning, which has become popular on the Gold Coast. For many home and commercial property owners, cleaning up their driveways, walkways, and even sidings with a pressure washer is more than appealing because of how quick and effective it is. 


Rather than getting on your hands and knees to scrub a surface, pressure cleaning puts all the elbow grease in for you. This kind of power doesn’t come without a price, though. Unfortunately, pressure cleaning concrete surfaces has major potential for costly damage. So to avoid any accidents, it’s always recommended to enlist professionals of commercial pressure cleaning

How Can Pressure Cleaning Damage Concrete?

New concrete is especially susceptible to damage. Concrete slabs less than a year old are less resilient to pressure and may quickly show signs of cracks or pitting. Pressure washing new concrete can also cause your expensive new asset to wear down faster than it otherwise would. For older concrete, pressure washing can exacerbate any blemishes already present, as well as create new ones.


Whether new or old, it’s best to have your concrete evaluated by professionals before going forward with a pressure washing regime. The settings and best practises may change depending on the condition and design of your concrete. For example, some concrete types are more porous than others, needing specific settings so that the integrity of the surface doesn’t break apart.

The nozzle and pressure settings are the main things to nail down to sidestep any potential damage. Another aspect often overlooked is how the nozzle is held; holding the nozzle too close to the surface will cause an uneven spray and excess pressure on one area. A good starting point is to spray around 10 feet in front of you, slowly moving forward with a steady grip as you clean.


Additionally, you’ll want to choose the widest nozzle possible if you’re not sure what spray range should be used for your concrete surface. A narrow stream can quickly put too much pressure on one area, causing damage in minutes. Furthermore, impairment can happen rapidly with high-pressure tools. If things go awry, you’ll want to call a concrete professional to evaluate the situation.


Even better, start out with the help of a pressure washing professional before trying to take up the task on your own. For commercial pressure washing on the Gold Coast, you can trust the dedicated experts at Get Wet for thorough guidance and completion of your project. We carefully assess your concrete surface and use only the highest quality tools, giving you professional results that are beyond compare.

Whether you DIY or hire professionals, concrete does indeed need to be pressure washed here and there to keep it looking new and maintain the best quality possible. Pressure cleaning is especially required for concrete that isn’t sealed, for it’s one of the only effective ways to remove any gunk stuck within unsealed pores.


And when you see the satisfying visual of that dirt and grime slowly being purged from your concrete, you may be hooked. Regardless, it’s important to know that overdoing it when pressure cleaning is another cause for the concrete surfaces wearing down prematurely. To keep your concrete’s longevity, stick to pressure cleaning every year or so. Otherwise, a quick spray with the garden hose should do the trick to clear out that film of surface-level dirt, oil, and filth.

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