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Pressure washing has become a go-to solution for homeowners and businesses looking to revive their brick surfaces. Its ability to strip away years worth of dirt, grime and mildew is unmatched. But you may be asking yourself: Can pressure washing damage bricks?

The quick answer is yes. Despite the durability of bricks, improper pressure washing techniques can harm these surfaces. Like concrete, bricks are porous, which means they can absorb water, leading to potential damage if not handled correctly.

At The Jet Co, we’re passionate about transforming and bringing all kinds of exterior surfaces back to life without causing any damage. To help others with brick cleaning, we’ve created this article to share the risks associated with brick cleaning and how to go about brick cleaning safely to prevent damage.

What Risks Are Associated With Brick Cleaning?

Understanding the potential risks of pressure washing bricks is crucial for preserving their integrity and appearance.

1. Erosion of Mortar

Using too high of a water pressure can erode the mortar between bricks, compromising the structure’s integrity. Over time, this can lead to loosened bricks and even structural damage.

2. Surface Damage

Using excessive water pressure or the incorrect nozzle can also damage the surface, resulting in chipping or scarring. This not only harms the brick’s appearance, but it also reduces its lifespan.

3. Water Damage

Because bricks are porous, too much water pressure can force moisture deep into the brick and mortar. This penetration may lead to internal water damage over time, particularly in colder climates.

How to Safely Pressure Wash Brick Surfaces?

To avoid these potential issues and safely clean your brick surfaces, we recommend the following:

1. Correct Nozzle and Technique

Use a nozzle that provides a wide, even spray to distribute the pressure over a larger area. This will help reduce the risk of concentrated damage. Make sure you maintain a safe distance and use a sweeping motion to clean the surface evenly without focusing on one spot for too long.

2. Moderate Pressure Settings

Start with the lowest effective pressure and only increase as necessary. Bricks and mortar are weaker than concrete and thus require a lower PSI. We recommend a 500-1,000 PSI for safe brick cleaning.

3. Preventative Maintenance

Before pressure washing, inspect the area for any damaged mortar or bricks. You should repair these areas beforehand to prevent water infiltration and further damage.

4. Get Professional Help

Particularly for historic or fragile brickwork, consulting with professionals like The Jet Co, before attempting to pressure wash is advisable. They can assess the condition of the brick and mortar and provide the safest cleaning solution.

Will Pressure Washing Damage Bricks

Want Professional Concrete Cleaning Services in Sydney?

While pressure washing can effectively clean brick surfaces, it’s crucial to approach the task with care to avoid damaging the bricks and mortar. By understanding the risks and following best practices, you can maintain the beauty and integrity of your brick structures.

If you’d rather hand over to the professionals to get the job done, The Jet Co Pressure Cleaning Sydney is here to help. We have years of experience cleaning all kinds of exterior surfaces from concrete driveways to vinyl siding to brick walls. We have the knowledge and equipment to get the brick cleaning done thoroughly and safely, leaving no damage.

If you’d like a free, no-obligation quote contact us today! Call us on 02 9072 1991 or make an online enquiry to get started!

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