Our clients have reported ZERO leaks in the past decade!

Professional roofers you can trust. We deliver the results you need.

15 YEARS
OF EXPERIENCE

INSURED
UP TO $1,000,000

10 YEARS
EXCLUSIVE WARRANTY

FREE
ESTIMATION

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Montreal Roofing Repairs and Roofing Installation

Montreal Roofing Repairs and Roofing Installation

Looking for a reliable Montreal roofing contractor to renovate or repair your roof? Our roofers are specialized in flat roofs with tar and gravel and are available in Montreal, Laval and the South Shore.

Demos Roofing provides high-quality roof renovation, installation and repair services. Our services are covered by a 10 year warranty. We employ fully certified roofers and are insured for up to $1,000,000. You can rest assured that your roofing needs will be  handled by trained and experienced roofing professionals.

Demos Roofing Inc.prides itself on its commitment to offer honest roofing renovation and repair estimates for your flat roof. We have satisfied many clients with roof repairs and installations. Demos Roofing Inc. maintains its commitment to honesty and integrity with every roofing repair or installation project. We offer long lasting quality roof repairs and installations at fair prices. Our roofing projects are approached with professionalism within a strict time frame.  We are sympathetic to the special needs of our clients. Demos Roofing Inc. performs a wide range of roofing repairs without affecting the activities of it’s clients, therefore easing the burden of home or commercial building improvement.

  • Laskaris P.
    I called Demos roofing for an emergency repair. After calling many roofers, Demos was the only one that understood the gravity of the situation, being a commercial building. He did the repair on a Saturday. I command Demos roofing for their professionalism and the execution of their work. I would not hesitate to contact them again for any of my roofing jobs.
    Laskaris P.
  • ALEX BENEDEK
    We have used Demos roofing to replace part of our roof on our industrial building in Ville St. Laurent They did an excellent job and if there is an honest roofer in all of Canada it definitely is Billy of Demos.
    ALEX BENEDEK
    AB Machinery
  • J.Kiousis – Owner/operator
    Billy and his boys arrived right after dawn to replace the roof over our body shop. Within 8 hours it was done and within budget. I highly recommend this company.
    J.Kiousis – Owner/operator
    Reparations d’Autos Laurier
  • Panagiotis Manikis
    Very professional and competent company. I strongly recommended it to my siblings and friends and now to the Internet World. Many thanks
    Panagiotis Manikis
  • Timur G.
    I've used Demos Roofing services to fix my roof. The service was outstanding, I will recommend to all my friends!
    Timur G.
Learn how our roofing maintenance and installation services in Montreal, Laval and the South Shore can save you money in the long run.