Mold and mildew are common problems in households, and they can have serious consequences if left untreated. These fungi can cause health problems, damage to your property, and unsightly stains on your exterior surfaces. Fortunately, pressure washing is an effective solution for mold and mildew removal from your home's exterior. If you want to say goodbye to mold and mildew with pressure washing, read on!
At The Proclean Team, we understand the importance of keeping your property clean and free from harmful mold and mildew. Our team of experienced professionals specializes in pressure washing and exterior cleaning services to help you say goodbye to mold and mildew for good.
In this article, we will explore how pressure washing can help you effectively remove mold and mildew from your home's exterior. We will cover topics such as the dangers of mold and mildew, the benefits of pressure washing, and DIY vs. professional pressure washing services. By the end of this article, you will have a better understanding of how pressure washing can help you maintain a clean and healthy living environment.

Importance of removing mold and mildew
Mold and mildew are not only unsightly. But they can also pose health risks and cause damage to your property.
Mold and mildew are types of fungi that thrive in moist environments. They can grow on any surface and spread quickly, causing stains and discoloration. When left untreated, they can also release spores into the air, which can trigger allergic reactions, respiratory problems, and other health issues.
Moreover, mold and mildew can also cause structural damage to your home. They can weaken wood, cause rot, and corrode metal surfaces. This can lead to costly repairs and a decrease in the value of your property.
It's important to remove mold and mildew as soon as possible to avoid these issues. Regular cleaning and maintenance can prevent mold and mildew growth. But if it's already present, pressure washing can be an effective solution for removing it.
Causes of mold and mildew growth
Mold and mildew can grow in any environment where there is moisture and organic matter present. Some common causes of mold and mildew growth include:
- High humidity levels: Humidity levels above 60% can create a moist environment that is conducive to mold and mildew growth. This is especially common in areas with poor ventilation, such as basements and bathrooms.
- Water leaks: Water leaks from pipes, roofs, or windows can create a damp environment that is perfect for mold and mildew growth. Leaks can also lead to water damage and structural issues.
- Flooding: Floods can cause extensive damage to homes and create ideal conditions for mold and mildew growth. It's essential to address any flooding quickly to prevent mold and mildew growth.
- Poor ventilation: Poor ventilation can trap moisture and prevent air circulation, creating an environment where mold and mildew can thrive. This is common in basements, attics, and crawl spaces.
- Organic matter: Mold and mildew feed on organic matter, such as wood, paper, and fabric. This makes areas with organic materials more susceptible to mold and mildew growth.

Signs of mold and mildew growth
Mold and mildew growth can be difficult to detect, as it often grows in hidden or hard-to-reach areas. However, there are some signs that you can look for to determine if you have a mold or mildew problem:
- Discoloration: Mold and mildew can cause discoloration on surfaces. This includes walls, ceilings, and floors. These discolorations may appear as black, green, or brown spots.
- Odor: Mold and mildew have a distinct musty odor that can be noticeable in areas where growth is present.
- Allergic reactions: Mold and mildew spores can trigger allergic reactions in some people. This may cause symptoms such as sneezing, runny nose, itchy eyes, and respiratory issues.
- Dampness: Areas with mold and mildew growth may feel damp or humid to the touch.
- Peeling or bubbling paint: Mold and mildew growth can cause paint to peel or bubble, as they can create moisture underneath the surface.
If you notice any of these signs, it's important to address the issue promptly to prevent further growth and potential health hazards.
Exterior Mold and Mildew Removal By Pressure Washing
Pressure washing is a highly effective method for removing mold and mildew from the exterior surfaces of your home. The high-pressure water spray can dislodge even the toughest mold and mildew growth, leaving most of your surfaces clean and healthy. Here are the benefits of how pressure washing can help with exterior mold and mildew removal:
- Effective cleaning: Pressure washing can remove mold and mildew growth from a variety of exterior surfaces, including siding, decks, patios, and driveways. It can also remove other contaminants such as dirt, grime, and stains.
- Prevent future growth: By removing existing mold and mildew growth, pressure washing can help prevent future growth by eliminating the conditions that allow mold and mildew to thrive, such as moisture and organic matter.
- Improved curb appeal: A clean exterior not only improves the health of your home but also enhances its overall appearance. Pressure washing can remove unsightly mold and mildew stains and make your home look newer and more attractive.
- Increased property value: Regular pressure washing can increase the value of your property. This will maintain the appearance and condition of your home's exterior.

Pressure Washing Mold and Power Cleaning Mildew
Pressure washing mold and power cleaning mildew are effective methods for removing these unsightly and potentially harmful growths from your home's exterior surfaces. Here's a closer look at each of these processes:
- Pressure washing mold: Mold can be particularly difficult to remove as it can penetrate porous surfaces, such as wood and concrete. Pressure washing uses a high-pressure water spray to dislodge the mold from the surface, effectively cleaning the area. Additionally, pressure washing can help remove any lingering spores that may lead to future growth.
- Power cleaning mildew: Mildew, which is a type of fungus, can also be removed through power cleaning. Power cleaning uses a combination of high-pressure water and specialized cleaning solutions to kill and remove mildew from surfaces. This method is particularly effective for removing mildew from porous surfaces, such as wood, as the cleaning solution can penetrate deep into the wood fibers.
DIY Pressure Washing
While it is generally recommended to hire a professional for pressure washing, there are some potential advantages to doing it yourself. Here are some of the benefits of DIY pressure washing:
- Cost savings: Hiring a professional pressure washing service can be costly. On the other hand, doing it yourself can save you money on labor costs.
- Convenience: If you own a pressure washer, you can use it whenever you need to. Even without scheduling an appointment or waiting for a service to arrive.
- Customization: When you do it yourself, you have more control over the pressure and cleaning solutions used. This will allow you to customize the cleaning to your specific needs.
- Satisfaction: There can be a sense of satisfaction in completing a DIY project, especially when you see the results of your hard work.
However, it's important to note that DIY pressure washing also comes with potential risks and disadvantages. Without proper training and equipment, you could cause damage to your home's exterior or injure yourself or others. Additionally, improper use of cleaning solutions could harm the environment or damage your landscaping. It's important to weigh the benefits and risks before deciding whether to do it yourself or hire a professional pressure washing service.

Equipment needed for DIY Pressure Washing
If you've decided to try DIY pressure washing, it's important to have the right equipment to get the job done safely and effectively. Here are the essential items you'll need:
- Pressure washer: The pressure washer is the main tool needed for the job. There are two types of pressure washers: electric and gas-powered. Electric pressure washers are typically less powerful and are best for smaller jobs. Gas-powered pressure washers, however, are more powerful and better for larger, tougher jobs.
- Safety gear: Pressure washing can be dangerous, so it's important to protect yourself with safety gear. This includes safety glasses, gloves, and non-slip shoes.
- Cleaning solutions: Depending on the job, you may need to use cleaning solutions to remove dirt, grime, and mildew. Be sure to choose a cleaning solution that is safe for your specific type of exterior surface.
- Extension wand: An extension wand can help you reach high or hard-to-reach areas, such as second-story walls or roof eaves.
- Nozzles: Different nozzles can be used to adjust the pressure and flow of the water. For example, a 0-degree nozzle provides the highest pressure for tough jobs, while a 40-degree nozzle provides a wider spray for a gentler cleaning.
- Water source: You'll need a water source, such as an outdoor faucet, to provide water to the pressure washer.
Before you begin pressure washing, be sure to read the owner's manual for your pressure washer and familiarize yourself with its operation and safety features.
Tips for effective DIY Pressure Washing
If you're planning to tackle a pressure-washing project on your own, there are several tips to keep in mind to ensure you get the best results possible. Here are some tips for effective DIY pressure washing:
- Choose the right nozzle: Different nozzles provide different levels of pressure and water flow. Be sure to select the nozzle that's best suited for the task at hand.
- Use the proper technique: Hold the pressure washer wand at a 45-degree angle. Work in a side-to-side motion to avoid leaving streaks or damage to the surface you're cleaning.
- Start with the lowest pressure: Begin with the lowest pressure setting and gradually increase the pressure until you achieve the desired result.
- Test a small area first: Before you begin cleaning the entire surface, test a small area first to ensure that the pressure and cleaning solution won't damage the surface.
- Use the right cleaning solution: Different cleaning solutions work best for different surfaces. Be sure to use a cleaning solution that's appropriate for the surface you're cleaning.
- Don't pressure wash certain surfaces: Be cautious when pressure washing certain surfaces, such as wood or painted surfaces, as the pressure and water flow could cause damage.
- Protect nearby plants and landscaping: Cover nearby plants and landscaping with plastic sheeting to protect them from the cleaning solution and high-pressure water.
- Work from the top down: Start cleaning at the highest point of the surface you're cleaning and work your way down to avoid streaks and drips.
- Take breaks: Pressure washing can be a tiring task. So take breaks as needed to avoid fatigue and maintain your focus.
By following these tips, you can achieve great results with your DIY pressure washing project while also ensuring your safety and the safety of those around you.

Conclusion
In summary, mold and mildew growth can pose serious health risks and damage to your property. Mold and mildew can cause respiratory issues, allergies, and other health problems, particularly in individuals with weakened immune systems. Additionally, mold and mildew can cause structural damage to your property if left unchecked. That's why it's important to address mold and mildew growth as soon as you notice it. By using pressure washing to remove mold and mildew from your property's exterior surfaces, you can improve your property's curb appeal, prevent further damage, and protect your health and the health of those around you.
If you're dealing with mold and mildew on the exterior surfaces of your property, don't wait to take action. At The Proclean Team, we specialize in pressure washing services in Seattle that can effectively remove mold and mildew, improving the look and health of your property. With our years of experience and state-of-the-art equipment, we can ensure that your property is thoroughly and safely cleaned, giving you peace of mind. Contact us today to schedule a consultation and get started on saying goodbye to mold and mildew.
Mold and Mildew Removal FAQs
- How often should I pressure wash to prevent mold and mildew growth? - You can pressure wash your home once or twice a year, depending on how often you need to do it. If your house has a lot of mold and mildew growth, then you should pressure wash more often.
- Can pressure washing cause damage to my property? - Pressure washing can cause damage to your property, but only if you're not careful. It's important that you understand the risks before you get started. You don't want to ruin your property by accident!
- Is pressure washing safe for all types of exterior surfaces? - Pressure washing is a great way to clean your exterior surfaces, but it's not the best choice for all types of surfaces. If you want to pressure wash your wood deck or wooden fence, you'll need to be careful not to damage the wood. Only use a soft spray and make sure that you don't get too close to the nozzle. It's also important to avoid pressure washing stone, brick, or concrete because these materials tend to erode when exposed to high-pressure water. You may be able to use low pressure instead of high pressure on these surfaces.
- Can I use bleach instead of pressure washing to remove mold and mildew? - You can use bleach to remove mold and mildew. However, it's not a substitute for pressure washing. The best way to remove mold is with a pressure washer, which uses water under high pressure to blast away any buildup or stains on your siding. Bleach will kill the mold and mildew. However, it's not as effective at removing the stains left behind by the growth. It also doesn't reach into crevices, where a lot of molds tend to grow.
- How long does it take to pressure wash an average-sized house? - The time it takes to pressure wash an average-sized house can vary depending on several factors, such as the size of the house, the degree of mold and mildew buildup, the complexity of the house's exterior surfaces, and the equipment used. However, as a rough estimate, it can take anywhere from 30 minutes to 2 hours to pressure wash an average-sized house.