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How to clean concrete

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Cleaning concrete might seem a daunting task, but it’s absolutely achievable with the right knowledge and tools. The Skyco Group offers in-depth guidance on how to restore your concrete surfaces to their former glory. With Australia being home to around 10 million kilometres of concrete (according to ABS), keeping them clean is essential. In this comprehensive guide, we’ll teach you how to clean concrete effectively and safely.

Table of Contents

What You Need to Know about Concrete Cleaning

Concrete, as a porous material, absorbs stains easily making it challenging to clean. However, with the right cleaning solutions and techniques, you can remove even the toughest stains. Before diving into the cleaning process, it’s important to understand the type of concrete you’re dealing with to ensure proper care.

The Essentials for Concrete Cleaning

Cleaning concrete is not an impossible task if you have the right tools at hand:

  1. Protective Gear: Make sure to wear gloves, safety glasses, and sturdy shoes.
  2. Cleaning Solution: Depending on the stain, a simple dish soap, or a commercial cleaner may be required.
  3. Bristle Brush: A stiff-bristled brush can effectively scrub away stubborn stains.
  4. Pressure Washer: This device will greatly simplify the process, especially for large areas.

How to Clean Concrete: A Step-by-Step Guide

  1. Preparation: Clear the area and protect surrounding plants or objects with a tarp.
  2. Wet the Surface: Slightly dampening the area can make the cleaning process easier.
  3. Apply the Cleaning Solution: Whether homemade or commercial, apply your chosen cleaner to the stain.
  4. Scrub Away: Use your bristle brush to scrub away the stain.
  5. Rinse and Repeat: Rinse the area with a pressure washer or garden hose, then repeat the process if necessary.

The Basics of Concrete Cleaning

Concrete is one of the most durable and widely used materials in construction. However, like any other surface, it can get dirty over time due to weather exposure, spills, mould, or mildew. Regardless of the reason, a fresh and clean concrete surface can drastically enhance the appearance of your property.Understanding the composition of concrete is crucial before proceeding with cleaning. Composed of three basic parts – water, aggregate (rock, sand, or gravel), and Portland cement, it’s a porous material that can absorb and hold onto stains. This is why prompt stain removal is crucial in maintaining the appearance of your concrete.

Types of Concrete Stains

Concrete stains can be categorised into three types – organic, inorganic, and grease. Organic stains are caused by organic materials like leaves, bark, or other plant matter. Inorganic stains can include rust or mineral stains. Grease stains are self-explanatory, often resulting from car oil or food spills. Identifying the type of stain you’re dealing with is the first step towards effectively cleaning your concrete.

  1. Organic Stains: Typically, organic stains are less of a headache to clean. More often than not, you’ll find that a splash of mild detergent, coupled with a good scrubbing session, will have your concrete looking spick and span.

However, older or more stubborn stains may require a more potent cleaner.

  1. Inorganic Stains: Inorganic stains, especially rust, can be a bit tougher to tackle. These stains may require a specialist rust remover to completely eradicate them.
  2. Grease Stains: Grease stains are often the toughest to remove, especially if they’ve had time to set in. Degreasing agents are often necessary to completely remove these stains.

The Role of Pressure Washing in Concrete Cleaning

For particularly stubborn stains or large areas of concrete, a pressure washer can be a game-changer. These machines deliver a high-pressure stream of water that can effectively break up and wash away even tough stains. It’s recommended to start at a low pressure and gradually increase as necessary.

Remember, using a pressure washer is not always mandatory. For smaller or less stubborn stains, a stiff-bristled brush and cleaning solution may suffice. Read our blog for more information.

DIY vs Professional Concrete Cleaning

DIY concrete cleaning can be a cost-effective and satisfactory solution, especially for smaller or less severe stains. However, for stubborn, old stains or large areas of concrete, you might consider hiring a professional cleaning service.

Professional cleaning services have the expertise, equipment, and industrial-strength cleaning products to handle any concrete cleaning job. They can also do the job in less time and with less physical effort on your part.

While professional cleaning can be more expensive, the results are often worth it. A clean, fresh-looking concrete surface can enhance your property’s aesthetic appeal and even increase its value. For more information about our professional cleaning services, visit the Skyco Group services page.

Remember, safety is paramount in any cleaning process. Always wear appropriate protective gear, including gloves and eye protection, and ensure the area is well-ventilated if you’re using strong cleaning solutions. For further information on safe concrete cleaning practices, visit the Safe Work Australia page.


Keeping concrete surfaces clean and well-maintained doesn’t need to be a Herculean task. With a good understanding of the nature of stains and how to tackle them, along with the right tools and cleaning solutions, you can effectively restore the beauty of your concrete. However, if you’re facing a stubborn stain or a large-scale cleaning task, remember, there’s no shame in calling in the professionals. The Skyco Group, with its wealth of experience and arsenal of cleaning solutions, is always ready to lend a helping hand.

Above all, keep in mind that maintaining a routine cleaning schedule can prevent the build-up of stubborn stains, saving you time and effort in the long run. Whether you decide to go the DIY route or hire professionals, remember, a clean and well-maintained concrete surface can significantly enhance the appeal and value of your property. So don’t wait, start your concrete cleaning journey today!

The Skyco Group acknowledges the support of the Australian Government, Safe Work Australia, and the Australian Bureau of Statistics in making this article possible.

Frequently Asked Questions

The best method will depend on the type of stain, but typically a cleaning solution and a stiff-bristled brush will do the job.

Yes, a vinegar solution can effectively clean concrete and is especially good for mild stains.

It’s recommended to clean concrete at least once a year, but it may need more frequent cleaning in high-traffic areas.

Yes, bleach can be used for concrete cleaning, but it should be diluted and used with caution due to its corrosive nature.

Author : SEO Pir2

Published Date : June, 28 2023

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