Roof Cleaning in
Holly Springs, Cary & Apex, NC




Those black streaks running down your roof aren’t dirt. They’re algae, and alongside the moss and lichen that settle into shady spots, they feed on your shingles, hold moisture against the surface and make an otherwise good roof look years past its prime.
Pressure washing them off does more harm than good. High pressure strips the protective granules from shingles and can loosen seals and flashing, shortening the life of the roof you’re trying to protect. We soft wash instead: a low-pressure application that lifts algae, moss and organic growth off the surface without damaging what’s underneath. It’s slower than blasting a roof clean, and that’s the point. Your roof is one of the most expensive things to replace on your house, and we treat it that way.
Why Roof Cleaning Matters
A streaky roof isn’t just a cosmetic problem. The algae that causes those black streaks feeds on the limestone filler in asphalt shingles, and as it spreads, it holds moisture against the roof surface. Left alone, it gives moss and lichen the foothold they need.
That’s where the real damage starts. Moss grows into the gaps between shingles and lifts their edges, letting water work its way underneath. Lichen roots into the surface and loosens the protective granules that shield your shingles from the sun. Over time, that means brittle shingles, leaks and a roof that wears out years before it should.
Regular roof cleaning stops that cycle early, while it’s still a cleaning job and not a repair. It protects one of the most expensive parts of your home, and it keeps your house looking cared for, which matters to you and to anyone who might buy it one day.
Why Triangle Roofs Streak and Grow Moss
Our warm, humid climate is ideal for roof algae. It spreads from roof to roof on the wind, takes hold wherever moisture lingers, and shows up as black streaks running down from the ridge, usually worst on north-facing slopes that see the least sun.
Tree cover makes it worse. Overhanging oaks and pines shade the roof, drop leaves and needles that trap moisture, and create exactly the damp, shaded patches where moss takes root. Once moss gets established, it can lift shingle edges and hold water against the roof deck.
Every Roof Type, Handled Properly
We clean asphalt shingles, metal, tile and low-slope membrane roofs, adjusting our approach and products to what each material needs. Shingles need a gentle touch to protect their granules. Metal needs care around seams and finishes. Tile needs the right treatment to reach growth in its grooves without risking cracked pieces.
Not sure what your roof is made of, or whether it’s due for a clean? That’s what the first look is for. We’ll check the material, the pitch and how much growth there is, and tell you honestly whether it needs cleaning now or can wait another season.
Roof Cleaning is the Perfect Pair for a House Wash
Roof cleaning works best right before a house wash. Everything we rinse off the roof runs down over your gutters and siding, so starting at the top means the house wash picks up whatever comes down, and your whole home finishes clean together.
Adding gutter cleaning to the same visit rounds it out. With the gutters cleared, all that runoff has somewhere to go instead of backing up and spilling onto freshly washed siding, and your home gets cleaned from the ridge down in one trip. We’re happy to clean roofs on their own too.
What Your Neighbors Say
Roof Cleaning FAQ
How much does roof cleaning cost? It depends on the size and pitch of your roof, the material and how much growth there is. Quotes are free, and we’ll give you a clear price before any work starts.
Will this damage my roof? No. Pressure washing is what damages roofs. Soft washing uses low pressure, so it cleans without stripping granules or loosening seals.
How often should my roof be cleaned? Most roofs in our climate benefit from a clean every two to three years, sooner if your roof sits under heavy shade or holds moisture longer than the rest of the neighborhood.
Do you walk on the roof? Only when we need to, and with care. Much of the work can be done from the ground, a ladder or the edge of the roof.
Do you repair roofs? No. We focus on cleaning. If we spot damaged shingles, lifted flashing or anything else worth a closer look, we’ll let you know so you can have a roofer check it.
Do I need to be home? No. We just need access to the outside of your home and an outdoor spigot. We’ll let you know when we arrive and when we’re done, with photos.
What does your workmanship guarantee cover? If you’re not happy with the result because of our workmanship, tell us within 7 days of your roof cleaning and we’ll come back and make it right at no charge. It doesn’t cover new growth that returns over time, or staining and damage we flagged during the walk-around.
What’s Included
A look at your roof first, so we can point out anything worth knowing, like damaged shingles, lifted flashing or heavy moss.
A clear price before any work starts, with no surprises on the day.
Loose leaves, needles and debris cleared from the roof surface and valleys before we start.
Plants and landscaping below pre-wet and protected before any cleaning begins.
A soft wash of the full roof surface, at low pressure that protects shingles, seals and finishes.
Treatment for black streaks, algae, moss and lichen, matched to your roof type.
Extra care around skylights, vents, chimneys and flashing, where a careless clean can cause leaks.
Drain covers in place so runoff doesn’t reach the storm system.
A careful rinse of your gutters, siding and anything
that catches runoff.
A text when we arrive and when we’re done, so you know where things stand even if you’re out.
A final walkthrough with you, or before and after photos if you’re not home, so you can see the difference from the street.




