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Industrial and Commercial Flat Roofing

Conestoga Roofing & Sheet Metal provides our customers with the highest standards of service and the finest quality of workmanship for all of your industrial and commercial roofing needs.

Our Estimators make it their top priority to ensure that our customers are educated on their flat roofing needs as the investments in commercial flat roofing systems are significant.  Our team of expert Estimators will gladly answer any questions you may have concerning your roofing project.  Our experienced Estimators provide job-specific quotes and proposals including plans, specifications, photographs, field notes, and takeoffs to help you make the right roofing decisions. We are pleased to have an in-house Certified Specification Writer to work on special roofing projects. All of our Estimators are up-to-date on market prices and industry trends in order to remain competitive. Our Estimators will help you make the right roofing decision.

Conestoga Roofing's Core Services

At Conestoga Roofing & Sheet Metal Ltd., we are leaders in industrial and commercial flat roofing services. We offer several types of flat roof systems, but most importantly, we can take care of new installs and maintain/repair existing installs. No matter what you need, our team is here for you when it comes to flat roofing needs.

Flat Roof Repairs & Maintenance

All roofing systems require maintenance in order to reach their life expectancy. Let Conestoga Roofing protect your investment.

Flat Roof Replacement

Conestoga Roofing regularly replaces roofing systems on industrial and commercial buildings in Southern Ontario.

Flat Roof Inspections

Our Conestoga Roofing Experts can easily provide on-site assistance and detailed site reports to help you make the right roofing decision.

New Roof Construction

Trust our roofing experts and their 25+ years of experience in new roof installs for industrial and commercial properties.

Our Roofing Systems

Conestoga Roofing installs and maintains a variety of flat roofing systems for industrial and commercial buildings that include the following.

Built-Up Roofing (BUR)

PVC Membrane

TPO Membrane

EPDM Membrane

Modified Bitumen

Metal Sloped Roofing

Our Skilled Estimators

Our Estimators will help you make the right roofing decision. If you have more questions, please contact us and ask for the following professionals.


Office: 519-623-7411 x 240
Cell: 519-619-8676  or


Office: 519-623-7411 x 401
Cell: 519-223-0461

Featured Projects

We've worked amongst the best companies in Southern Ontario to provide them with exceptional roofing installations and maintenance services.

We have worked with so many companies since our humble beginnings. Over the decades, Conestoga Roofing & Sheet Metal Ltd. has become one of the most trusted flat roofing system providers in Southern Ontario. If you have a flat roofing system, we have the expertise and the professionals to install, repair and maintain it so that you can protect your investment. Take a look at some of our featured products.

Looking For a Free Estimate For Your Project or Repair and Maintenance Program?