Everything You Need to Know About Pressure Washing Brick

Pressure washing brick surfaces is an effective way to clean and rejuvenate them, but preparation is crucial to prevent damage and ensure a thorough cleaning. Here is a detailed guide on how to prepare your brick surfaces before pressure washing.

Covering Nearby Plants and Landscaping

One of the first steps in preparing for pressure washing brick surfaces is to protect nearby plants and landscaping. The high-pressure water spray can damage plants, and the cleaning agents used can be harmful to vegetation. Use plastic sheeting or tarps to cover plants, shrubs, and flower beds. Secure the coverings with stakes or rocks to prevent them from blowing away during the cleaning process. If you have delicate plants, consider moving potted plants to a safer location temporarily.

Removing Loose Debris and Clutter

Next, clear the area around the brick surface of any loose debris, such as leaves, dirt, and twigs. This step is essential because debris can interfere with the pressure washing process and potentially clog the pressure washer. Use a broom or a leaf blower to sweep away loose materials. Additionally, remove any items such as patio furniture, grills, or decorative objects to ensure they are not damaged and to give you unobstructed access to the brick surface.

Inspecting and Repairing the Brick Surface

Before pressure washing, inspect the brick surface for any signs of damage or wear. Look for loose or crumbling bricks, cracked mortar, or other structural issues. Pressure washing can exacerbate existing damage, so it’s important to address these issues beforehand. If you find any loose bricks or damaged mortar, repair them using appropriate materials such as mortar mix or brick adhesive. Allow any repairs to fully cure according to the manufacturer’s instructions before proceeding with pressure washing.

Testing the Pressure Washer

To ensure that the pressure washer does not cause damage to your brick surface, it’s important to test it on a small, inconspicuous area first. This step helps you determine the appropriate pressure setting and nozzle type. Start with a lower pressure setting and a wider spray nozzle to avoid damaging the bricks. Hold the pressure washer wand at a consistent distance, usually about 12-18 inches away from the surface, and observe how the brick responds. If the brick or mortar shows signs of damage, reduce the pressure or switch to a wider nozzle. Continue adjusting until you find a setting that effectively cleans without causing harm.

Pre-Treating Stains and Mildew

For heavily stained or mildewed brick surfaces, pre-treating these areas can make the pressure washing more effective. Use a brick-safe cleaner or a mixture of water and mild detergent. Apply the solution to the stained areas using a pump sprayer or a brush, and allow it to sit for about 15-20 minutes. This helps to loosen dirt, grime, and mildew, making them easier to remove with the pressure washer. For stubborn stains, you might need to use a brush to scrub the area gently before rinsing with the pressure washer.

Ensuring Safety Precautions

Safety should be a top priority when preparing for pressure washing. Wear protective gear such as safety goggles, gloves, and sturdy footwear. The high-pressure water spray can cause injuries, so it’s important to handle the pressure washer with care. Familiarize yourself with the operation manual of your pressure washer and follow all safety instructions.