That green and black stuff on your siding, fence, and driveway isn't just dirt — it's living growth. Here's how pressure washing removes it.
If you've noticed green or black streaks on your home's siding, dark patches on your fence, or a slippery film on your sidewalk, you're looking at organic growth — most likely mold, mildew, or algae. It's incredibly common in Florida, and it's the single most common reason homeowners call a pressure washing service.
Why Florida grows so much mold and algae
Florida's climate creates the perfect environment for organic growth: warm temperatures, high humidity, frequent rain, and plenty of shade from trees and structures. These conditions let mold, mildew, and algae thrive on exterior surfaces — especially in shaded, moisture-retaining areas that don't dry out quickly.
Where organic growth shows up
- House siding — green or black streaks, especially on the north-facing and shaded sides.
- Roofs — dark streaks running down shingles, often mistaken for dirt.
- Driveways and sidewalks — green or dark staining, sometimes slippery when wet.
- Fences — discoloration and a dull, weathered look.
- Decks and patios — green film and dark patches in shaded areas.
How pressure washing removes it
Pressure washing physically removes mold, mildew, and algae from surfaces using pressurized water. For harder surfaces like concrete and brick, higher pressure can be used. For softer or more delicate surfaces like siding and fences, a lower-pressure soft wash with cleaning solutions is often the safer and more effective approach — it kills the growth at the root rather than just blasting off the top layer.
Why you shouldn't ignore it
Organic growth isn't just a cosmetic problem. Over time, mold and mildew can degrade exterior surfaces, stain materials permanently, and create slick, unsafe walkways. Left alone, algae on a roof can shorten shingle life. Routine pressure washing removes the growth and helps protect your property's exterior.
Keep your property clean
Panhandle Precision Pressure removes mold, mildew, and algae from homes, driveways, sidewalks, fences, and commercial properties throughout the Florida Panhandle. Tell us what you need cleaned and request a free quote.
Need pressure washing in the Florida Panhandle?
Tell us what you need cleaned and Panhandle Precision Pressure will follow up with a free, no-obligation quote.