
The largest high-rise window cleaning company in Montreal
For condo towers, office towers, hotel complexes, and hospitals.
High-rise
window cleaning
Experts in high-rise window cleaning
We provide full cleaning of your interior and exterior windows, frames, and glass railings. Whether for post-construction or regular maintenance, we work with professionalism and efficiency to ensure spotless façades.
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Window cleaning using a boom lift or aerial work platform
Our boom lifts and aerial work platforms allow us to clean high-rise windows quickly and efficiently. This method is particularly suited for commercial buildings, condominium complexes, offices, and hotels.
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State-of-the-art equipment
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Highly experienced teams
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Compliance with safety standards
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Optimized time spent on site
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Window cleaning using a davit system or anchor-based systems
For buildings equipped with permanent anchorage systems that provide direct façade access. Our team uses these setups, combined with our equipment, to deliver safe window cleaning tailored to each structure.
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Anchorage system inspections
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Spider treatment
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Impeccable finish on all glass surfaces
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Post-construction window cleaning
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Building inspection
At BSF, every inspection is carried out in-house — from engineering expertise to the use of specialized access equipment. By operating our own anchorage systems, boom lifts, and aerial work platforms, we eliminate reliance on third parties and ensure safer, more efficient inspections with consistent quality.
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Additional services
Spider treatment — Our pest control professionals can combine our popular spider treatment with your window cleaning service during the same visit.
Aluminum restoration — Using the right combination of specialized products, we can restore the aluminum on your building’s façade to like-new condition.
Window restoration — Our professionals apply a customized treatment to restore and polish your stained or damaged glass.
Suspended platform rental — When anchoring is required, rent one of our suspended platforms to carry out your work more efficiently and at a lower cost.
Snow removal and de-icing — To ensure the safety of pedestrians near the building, we can carry out emergency snow removal from cornices and walkways, and remove large icicles.
Boom lift rental with operator — Rent our equipment to carry out work at height such as building inspections, electrical repairs, and more.
Our
process
A process refined by decades of experience
At BSF Window Cleaning, every project is carried out with precision and transparency. Our approach ensures efficient, safe operations tailored to your needs.





BSF, your all-in-one building façade partner
A single trusted partner for all your façade maintenance needs — fully carried out in-house by companies within our group:
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Professional window cleaning — spotless façades, inside and out
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Building inspections — ensuring your building’s compliance and safety
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Commercial and residential pressure washing — for clean, long-lasting surfaces
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Street and parking sweeping — maintaining a safe and tidy environment around your buildings
Security is
our priority
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All our high-rise technicians are fully certified. Ongoing training programs, along with regular occupational health and safety (OHS) refreshers, are provided to all employees on a bi-monthly basis.
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All our equipment is certified by specialized engineering firms, and our job sites are supervised daily by qualified management personnel to ensure full compliance with OHS standards.

Contact us about our window cleaning services
Looking for the best window cleaning service in Montreal? Contact BSF Window Cleaning today for a fast, personalized quote.
Take advantage of our expertise to ensure your windows are clean, safe, and perfectly maintained. Fill out the form or call us at 514-528-9565.





