Roof Moss Removal for Commercial Properties in Victoria BC

Protect your commercial roof from costly moss damage. Since 1984, Thomson Roof Treatment has provided safe, non-toxic moss removal across Greater Victoria. Our RCABC-approved methods won't disrupt tenants or void your warranty, and every job comes with a 2-year moss-free guarantee. Get your post-treatment maintenance report today!

Commercial Properties We Serve in Greater Victoria

Thomson Roof Treatment provides commercial moss removal across Greater Victoria and Vancouver Island for:

Office Buildings: Scheduled around business hours to minimize tenant disruption.
Retail & Mixed-Use: Keeps storefronts and plazas looking clean and well-maintained for customers.
Industrial & Warehouses: Protects large, flat roofs and torch-on membranes using eco-friendly, drainage-safe methods.
Multi-Unit Residential: Helps landlords and property managers protect apartment buildings and rental properties with minimal tenant disruption.

Our experience is your advantage

What Victoria commercial property managers say

Have used this service for over 10 years now. The company is reliable and professional and our roof has been clear of moss the whole time. Highly recommend Thomson Roof Treatment.

STEEN JESSEN

July 2023

Today was our 2 years maintenance program treatment. Fantastic Service--Roof looks like new! Service included moss treatment, gutter, and surrounding ground surface cleanup; the guys did a Great Job! I Definitely recommend the 2 year maintenance program.

DIANE SHADE

April 2023

Thomson Roof Treatment Staff were professional and took every precaution to ensure I knew the process and timing. The work was done well! Friendly and efficient technicians have been diligent in call-back and ensuring prompt follow up. Highly recommend their service!

JOAN KIERNAN

November 2022

Today, we had our two year maintenance treatment ...amazingly there was virtually no moss growth in the past two years which really shows how effective their treatment is! They also cleaned the gutters and washed the skylights as part of the maintenance plan. Their employees were courteous, super friendly, and eager to answer all my questions.

CAROLINE B.

September 2022

Thomson did a fantastic job removing the moss from our roof. Our roof looks great! The clean-up was great. They did the work quickly and thoroughly. I chose Thomson Roof Treatment Moss Removal company because of the reviews I read. I'm so glad I did. On a scale of 0-10 you did a 10+ star job! Thank you for providing us with such excellent service!

MARTY LAYNE

September 2021

WHAT THOMSON CAN DO FOR YOU

What Our Commercial Moss Removal Service Includes

We specialize in moss removal that will improve the appearance and lifespans of the roofs on your commercial properties.

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Commercial Preparation

Visible moss is removed by hand, instantly improving the look of your commercial properties.

Non-Toxic Root Treatment

Our non-toxic solution effectively neutralizes moss down to its root systems.

Maintenance

You can be confident your investments are protected with our moss-free guarantee.

professional moss removal EXPERTS

Recent Blog Articles

What’s Included in Moss and Gutter Cleaning in Greater Victoria?

Roof Moss Removal for Strata and Condo Complexes in Greater Victoria

How Much Does Roof Moss Removal Cost in Victoria, BC?

FAQ

Commercial Roof Moss Removal — Frequently Asked Questions

Yes. We treat all commercial roofing profiles including flat membrane roofs (torch-on, TPO, EPDM), low-pitch asphalt roofs, metal cladding, and cedar shake. Our hand-removal and non-toxic treatment method is suitable for all of these materials without causing damage or voiding warranties.

Absolutely. We regularly schedule commercial treatments for early morning, evening, or weekend appointments to minimize disruption to tenants, customers, and building operations. We notify your facilities manager in advance and coordinate access requirements.

Yes. Every commercial job comes with a written post-treatment report documenting the date, scope, surfaces treated, and the full terms of your 2-year guarantee. This report is formatted for property maintenance filing and insurance purposes.

Treatment time depends on the roof area and moss severity. Most small-to-medium commercial properties (under 5,000 sq ft of roof) are completed in a single day. Larger industrial or multi-building commercial sites are scheduled across consecutive days. We provide a timeline estimate with every written quote.

Yes. Thomson Roof Treatment carries full commercial general liability insurance and is WorkSafe BC certified (Registration #200670049). We are happy to provide our certificate of insurance to your facilities manager or property management company prior to commencement of work.

Commercial Roof Moss Removal Across Greater Victoria

Thomson Roof Treatment provides commercial roof moss removal and maintenance services for businesses, landlords, property managers, and building owners throughout Greater Victoria. We serve properties across Victoria, Oak Bay, Saanich, Esquimalt, View Royal, the West Shore, Sooke, Sidney, and the Saanich Peninsula.

With more than 40 years of experience on Vancouver Island, we understand how BC’s coastal climate affects commercial roofs. We also understand how to plan roof maintenance around the demands of commercial property management, including scheduling, documentation, tenant communication, and compliance requirements