Before
AfterGeorgian-style home
Applied from ladders with standoffs, so nothing rests on the slate or gutters.
Long Island slate roof specialists
Slate roof cleaning without the worry
We never walk on your slate and never pressure wash it. Most roofs look 80 to 90% better the day we finish, and keep improving for weeks.
Licensed and insured 13+ years Owner on every job
BeforeAfter
Brookville, 2022. Drag the handle to compare.
Never walked onAll work from ladders with standoffs
No pressureLow-pressure soft wash, no scrubbing or scraping
80–90% betterThe day we finish. Full result in 6 to 8 weeks
2-year guaranteeOn every full roof cleaning
How we clean slate
Slate is stone. We treat it that way.
A slate roof can last over 100 years, but it's brittle. Walking on it, pressure washing it, or scraping lichen off it cracks and loosens the stone. Our method removes the growth without any of that.
We explain the process
Before any work starts, you know exactly what we'll do and what to expect.
We protect the property
Plants, gutters and copper get noted and protected. Landscaping is rinsed the whole time.
We soft wash from ladders
Low-pressure treatment applied from ladders. No one steps on the slate.
Weather finishes the job
The slate is not rinsed. Rain clears the dead growth over the next 6 to 8 weeks.
Our work
Recent slate roofs
Real jobs, photographed by us. Listed by town only, to respect our customers' privacy.
BeforeAfterBeforeAfterFarm-style estate
Heavy purple-black staining gone. Bright multicolor slate back.
Before
AfterStone Tudor with a slate turret
A curved, conical slate roof cleaned evenly. Curved slate is some of the hardest to get right.
Before
AfterTudor with multicolor slate
Orange lichen removed. The original colors in the slate came back.
Before
AfterIvy-covered brick estate
Dark staining removed from a long roofline. The ivy and copper cupola were left untouched.
Before
AfterStucco Tudor with steep gables
Pastel multicolor slate restored on steep gables.
Reviews
What customers say
“I called Eric to clean my slate roof on my house. It was dingy, dirty and alot of lichen growth. … Eric said it would get better as time goes by that in a couple weeks it would look at its best. … What i came home to was a sparkling roof … I am a General Contractor so i deal with many contractors and know a good one from a bad one.”
“He undertook the job of cleaning my slate roof which was way beyond filthy with an accumulation of organic and inorganic debris marring its appearance. He arrived on time and two hours later the job was done. I was extremely satisfied. There were no surprises and everything he said I could expect of the final product came to fruition. … The price for the job was fair and he was a delight to deal with.”
“… a pleasure to deal with from start to finish. Very professional, well priced services, prompt arrival and outstanding work. … My neighbor’s could not get over how new my roof looked after having it cleaned. … He just doesn’t blast the surfaces with a power washer. Erik has a technique for each type of cleaning needed.”
Where we work
All of Long Island
From Manhasset and the North Shore estates to the South Shore and out to the Hamptons.
Also
Other exterior cleaning
We also clean tile and cedar roofs, houses, pavers, patios and gutters, with the same care.
Free quote
Find out what your roof needs
Call, text or send the form. Tell us the town and what you're seeing on the roof.
Call or text 631-433-2703
- We never walk on slate
- No pressure washing
- 2-year guarantee on full roof cleanings
- Licensed and insured, 13+ years in business
- Owner on every job