Moss is more than a looks problem
In western Washington, moss is the number one thing that shortens the life of an asphalt shingle roof. It soaks up rain and keeps the shingles wet for days, its roots creep under the edges and lift them, and the debris it sheds clogs your gutters. The longer it stays, the harder it is on the roof.
Why we never pressure wash a roof
High pressure tears the protective granules off shingles, which is exactly what keeps them working. It can also drive water under the tabs and into the decking. So we don't do it.
Instead, we hand-clear the heavy clumps of moss, then apply a soft wash roof treatment at low pressure. It kills the moss, lichen and black algae streaks down to the root. Some dead moss rinses off right away and the rest weathers off with the next rains over the following weeks.
What's included
- Hand removal of thick moss mats from shingles, ridges and valleys
- Low-pressure soft wash treatment of the full roof surface
- Clearing moss and debris out of the gutters it falls into
- Protection and rinsing of plants and siding below
- Before and after photos of the roof so you can see the difference
When to treat a roof for moss
Late spring through early fall is the best window for roof moss removal around Arlington, when there are a few dry days in a row. If moss is already lifting shingles, don't wait for next year. Call and we'll take a look.
Areas we serve
We're based in Arlington and offer roof moss removal & roof cleaning in Arlington and Smokey Point, Marysville, Lake Stevens, Stanwood & Camano Island, Granite Falls, plus Oso, Darrington, Silvana and Lakewood. See all service areas.
