The green film on the north side of a Ravena house isn't dirt. It's living algae, fed by Hudson Valley humidity and long shoulder seasons, and rinsing it off the surface just resets the clock for about eight weeks.
Ravena sits on the Route 9W corridor south of Albany with a mix of older village homes on Main St and newer builds out toward Aquetuck. Cement-plant dust, road film off 9W, and river humidity all settle into siding here.
Our soft wash applies professional detergents at lower pressure than a garden hose, kills the growth at the root, then rinses everything clean — siding, soffits, gutters' exteriors, trim, and shutters. Results last three to five times longer than a pressure-only wash.