What we clean
- Home siding
- Delicate exteriors that cannot take high pressure
- Roofs
- Surfaces with heavy moss, algae or mildew
How it works
- We assess the surfaceDifferent materials need different mixes and pressure, so we match the method to what we are cleaning.
- Treat and rinseA cleaning solution is applied at low pressure to break down moss, algae and mildew, then rinsed away.
- Walk-throughWe check the result with you and share simple tips to keep growth from coming back quickly.
Why it matters
Because the water pressure is gentle, soft washing is the safer choice for siding, trim and roofs. The cleaning solution does the work instead of force, which also means it treats the cause of the staining and not only the surface.
We use biodegradable, non-toxic cleaning agents and a controlled wash system to protect your plants, pets and the environment.
Serving Bothell and King & Snohomish County
Pressure Wave LLC is based in Bothell, WA and serves homes and businesses across King and Snohomish counties. Not sure we cover your address? Call (206) 482-9322 and we will let you know.
Frequently asked questions
What is the difference between soft washing and pressure washing?
Pressure washing uses force to clean hard surfaces. Soft washing uses low pressure plus a cleaning solution that breaks down organic growth, so it is gentler and suits siding and roofs.
Will soft washing harm my plants?
We use biodegradable, non-toxic cleaning agents and a controlled wash system to minimize environmental impact, and we take care to protect landscaping around the work area.
Does it work on moss?
Yes. Soft washing treats moss, algae and mildew rather than just rinsing the surface, which is why it is the method we use on roofs.