Those black streaks aren't dirt — they're algae, and pressure washing a roof the wrong way can damage shingles. Our soft-wash method removes it safely, across NYC, Westchester and Long Island.
The black streaking most homes eventually develop is algae, not dirt, and it spreads by airborne spores landing on shingles. High-pressure washing can strip the protective granules off asphalt shingles, which is why we use a soft-wash method instead — low pressure combined with a cleaning solution designed to kill algae and moss at the source.
Every visit starts with a full roof inspection to identify the material and the extent of algae or moss growth. A preventative treatment can also be applied to slow regrowth and extend the time before the roof needs washing again.
We identify the roofing material and assess the extent of algae or moss growth.
A cleaning solution targets algae and moss at the source rather than just knocking streaks loose.
Low pressure rinses the roof clean without stripping protective granules from shingles.
An optional treatment slows regrowth, extending the time before the roof needs washing again.
Family-owned, serving NYC since 1998.
Background-checked, trained technicians.
Safe for kids, pets and allergy-sensitive homes.
Most zones can be scheduled same day.
"Black streaks that had been building up for years across the whole roof, gone, and they used a method that didn't worry me about our shingles."
"Neighbor used a pressure washing company that damaged their shingles. Glad we found out about soft-washing before booking anyone."
"Roof looks like a different house. The preventative treatment they mentioned sounds like a good idea for next year too."