Pioneer Square, WA Roof Cleaning & Moss Control Services

Affordable Quality & Safe Experts You Can Trust

GHB Window Cleaning Services Inc. has been servicing Pioneer Square with their roof cleaning and moss control needs.  Let our professionals take care of your roof maintenance!  Prevent costly repairs to your roof by cleaning and treating your roof regularly.  Our trained experts clean roofs efficiently using top-of-the-line equipment and treatments that are safe for the environment & biodegradable.  GO GREEN!  We are also OSHA & ANSI approved for Fall Protection & Safety. Protect your investment, future and home with regular roof cleaning, moss control & maintenance.

Learn more about our new re-occurring Maintenance Programs and sit back, relax and let us worry about when it’s time for your next roof cleaning and moss control treatment.

Pioneer Square Roof Cleaning & Moss Control Before & After

GHB Services Include: Pioneer Square Window Cleaning, Pioneer Square  Pressure Washing, Pioneer Square  Gutter Cleaning, Pioneer Square  Roof Cleaning & Moss Control

Pioneer Square Roof Cleaning

Pioneer Square Roof Cleaning and Moss Control Services

For: Asphalt Shingles, Wood Shake, Composition Shingles, Tile Roofing & Cooper Roofs

Pioneer Square Services Offered:

Pioneer Square Roof Moss Treatment Before and After

  • Roof Moss Control  – Service includes entire roof surface treatment for moss and mildew control.  The treatment is biodegradable and is gentle for your roof.
  • Gentle Pressure Washing
  • Roof Brooming & Brushing
  • Air-blowing
  • Disposal of all debris included in every service!
Pioneer Square Roof Cleaning and Moss Control FAQS:

When does roof moss start to grow and can it damage my roof?

Roof moss can start to grow on a brand new roof in as little as a year if the conditions are right. Moss not only looks bad, but can cause your roof shingles to lift up exposing the nails to the elements. Moss also attracts unwanted birds and other animals that use it as nesting materials by pecking at the roof material. This can cause holes in the roof which can lead to water damage inside the home.

How do I prevent moss growth on my roof?

Treat your roof with a moss detergent, Zinc Sulfate or Bleach, twice a year. Roof moss treatment does take time, but will keep the integrity of your roof material. Other methods which are not recommended are pressure washing, scraping or brushing. These methods may void your roof warranty and cause premature wear.

The GHB Window Cleaning & Maintenance Difference:

Window Cleaning ReviewsNeat and Courteous Professionals. On time arrival, full uniforms and shoe covers.  Proof of insurance upon request and references.  All employees have gone through extensive background checks. Clearly the right choice you can trust for your home and property.








sat-guaranteed-streak-free BBB A+

Window Cleaner manClearly the Right Choice! Suddenly the idea of Clean Windows, Clean Gutters & Clean Roofs all year round became a whole lot clearer!  GHB Window Cleaning knows that first impressions are lasting and when your building has clean windows, people notice.

With over 25 years of experience, you can rely on our fast, professional on time service!

Window Cleaning Full Service Experts

Visit all GHB Companies & Services...

Exterior Building Maintenance & Services      Fall Protection Safety & Education

1st Ave S
98104 Pioneer Square


  • (844) 438-4429



Pioneer Square - Expert Local Roof & Moss Cleaning Services with Satisfaction Guaranteed | Better Business Bureau Accredited | Free estimates - Call (425) 250-1044

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