Yes — power washing can remove mold and mildew, but only when combined with the correct cleaning solutions. Pressure alone will knock off the visible growth, yet it does not kill the roots (spores) embedded in porous surfaces like concrete, stucco, pavers, brick, vinyl siding, or wood. That means the mold will grow back quickly, often within weeks.
Professional contractors listed on PowerWashing.com use specialized detergents and soft-washing methods that eliminate mold at the source, sanitize the surface, and prevent rapid regrowth.
Here is the complete breakdown:
⭐ 1. Pressure Alone Doesn’t Kill Mold — It Just Blasts Off the Surface Layer
When someone uses only high pressure:
This is why "power washing mold off" without chemicals is a temporary fix.
⭐ 2. Soft Washing Is the Correct Method
Mold and mildew require low pressure + specialized detergents designed to:
Soft washing is the industry standard for mold removal and is safer for surfaces such as:
Contractors on PowerWashing.com follow these best practices to deliver lasting results.
⭐ 3. What Causes Mold and Mildew to Grow?
Common reasons include:
Understanding these factors helps professionals diagnose long-term solutions.
⭐ 4. Mold vs. Mildew — There’s a Difference
Mildew is usually a light gray or white powdery growth and easier to clean.
Mold can be:
Mold often penetrates deeper and requires stronger treatments.
⭐ 5. Will It Come Back After Cleaning?
It can, unless the source conditions are improved.
To slow regrowth:
Professionals can recommend the best preventative approach for your home or business.
⭐ 6. Is Mold Dangerous?
Certain mold types can contribute to:
Regular maintenance cleaning is one of the best ways to protect the health of your home and family.
⭐ 7. Why Hire a Professional?
DIY mold removal often leads to:
Professionals listed on PowerWashing.com/Directory use commercial-grade surface cleaners, metered chemical injectors, and biodegradable anti-fungal detergents to achieve thorough, long-lasting cleaning without surface damage.
