Watertite Roofing has been the go-to contractor for reliable roofing services in Woodstock and the surrounding area for more than 50 years. We install, repair, retrofit, and replace flat roofs for commercial and industrial facilities at affordable prices.
Owners of commercial, industrial, and institutional buildings in Woodstock and across Ontario understand how unpredictable the weather can be. Their roofs are usually on the receiving end of the brunt of weather damage. That’s why you need a trusted commercial roofing contractor available whenever you need emergency roof repairs and other flat roofing solutions.
Here’s why Watertite Roofing is one of the top-rated commercial roofing companies in Woodstock, Brantford, and the nearby areas. With decades of hands-on experience, the team consistently delivers fast, reliable service backed by industry-leading workmanship.
Whether you’re dealing with storm damage, aging materials, or ongoing maintenance needs, we provide solutions designed to protect your building and extend the life of your roof.
Most business buildings in Woodstock and across Southern Ontario have flat roofs. From learning institutions, apartment buildings, and shopping malls to government office buildings and industrial facilities, flat roofs are very common. After all, flat or low-slope roofs are a cost-effective choice for large buildings.
Regardless of the specific type of your building, Watertite Roofing’s experts aim to deliver quality installations, durable roof repairs, and cost-effective maintenance services. Whether you need emergency repairs, scheduled inspections, or an expert’s opinion on whether you should replace your roof, you can expect reliable services from our team.
At Watertite Roofing, we proudly install two of the most trusted flat roofing systems available today: the Duro-Last PVC roofing system and the Canada-made Goliath PVC roofing system. Duro-Last is recognized across North America as a leader in high-quality, single-ply PVC membranes engineered for long-term durability and energy efficiency. The Goliath roofing system, manufactured in Canada, offers exceptional strength, chemical resistance, and reliability—making it an excellent choice for demanding commercial and industrial environments.
Both Duro-Last and Goliath PVC membranes can be ideal for retrofit applications on flat and low-slope roofs, provided the existing roof deck and insulation are in sound condition. When you choose Watertite Roofing to install, maintain, or replace your flat roofing system, you can trust that only top-tier materials and proven installation practices will be used.
Every roofing project we undertake is completed by our in-house team of trained and certified flat roofing experts. We do not outsource work to third parties. This makes us a trusted partner in maintaining strict control over workmanship, safety, and roofing service quality.
Additionally, our team participates in periodic technical training. For example, we visited the Duro-Last facility in Michigan to learn various green roofing technologies. Ongoing training ensures our teams remain familiar with the latest roofing technologies, cleaner installation methods, and updated commercial roofing standards.
Here at Watertite Roofing, we offer strong warranty protection for every commercial flat roofing system we install or retrofit in Woodstock. This includes manufacturer warranties on approved systems, as well as quality workmanship warranties for eligible installations.
Our warranty coverage provides protection for clients and offers long-term confidence in the performance of their roof. We will review all terms of the warranty clearly so that building owners and managers understand the level of protection provided.
Watertite Roofing has earned recognition for consistent quality craftsmanship, customer satisfaction, and roofing expertise. We have received the Duro-Last Elite Contractor status, an honour awarded to a select number of top roofing companies across North America.
We also received the Ontario Contractor of the Year award multiple times. This demonstrates our commitment to professional service standards and client satisfaction. These awards reflect our dedication to delivering dependable and professional commercial roofing services.
Every commercial or industrial building has unique roofing needs, and we tailor our flat roofing solutions to the client’s requirements. Each commercial roofing project we undertake begins with a thorough roof inspection to determine your roof’s structure, drainage, insulation quality, and long-term requirements before recommending repairs, retrofit, or complete replacement services.
At Watertite Roofing, we aim to provide tailored solutions that support roof durability, reduce maintenance costs, and protect your entire building and its operations. From the beginning of your project to its completion, we will ensure clear communication, offer professional guidance, and provide responsive support.
You can count on our in-house team of roofing experts for the following commercial flat roofing services in Woodstock, Ontario:
Watertite Roofing is a reputable and BBB-accredited flat roofing contractor. Since our founding in 1976, we have gathered a team of professional flat roofing experts and the necessary resources to successfully handle all new roof installations for commercial buildings. We install new roofs for the following property types:
Did you know that you could avoid leak disasters on your commercial flat roof with timely repairs and preventive maintenance? At Watertite Roofing, we help commercial and industrial property owners or managers inspect their roofs to identify issues, such as roof leaks, aging materials, and other forms of roof damage.
Timely roof repairs can make the entire roof structure energy efficient and safe. Additionally, on-time repairs for leaks, blistering membrane, drainage issues, flashing problems, and other forms of flat roof damage can prevent costly repairs. Therefore, contact us for roof repairs if you notice any of the following signs of flat roof damage:
Routine roof inspections and preventive maintenance can extend the lifespan of your commercial roof by several years. During the routine roof inspections, our professional roofers can identify the earliest signs of roof issues. Addressing any form of damage early prevents costly damage, protects the entire roof structure, lowers repair costs, improves energy usage, and keeps your building code compliant.
Sometimes, repairing your existing flat or low-slope roof may not be enough to prevent leaks, membrane blistering, or flashing damage. If the underlying roof deck and insulation are still in good condition, we can retrofit or overlay a Goliath or Duro-Last PVC roofing system instead of removing and replacing the entire roof assembly.
At Watertite Roofing, we only recommend complete flat roof replacement services if the entire roof assembly, including the underlying deck and insulation, is damaged beyond repair. Therefore, our professional roofing experts will first inspect your roof to determine whether a retrofit is ideal or if a full replacement is necessary.
Generally, retrofitting allows our roofers to install the Duro-Last and Canada-made Goliath flat roofing system on top of your existing roof. This approach reduces the arduous step of removing and disposing of your old roof, requires less labour, and can be completed faster than a full roof replacement, leading to significant overall cost savings!
Choosing the right roofing system for your commercial, industrial, or institutional property can be complex. When a roof can no longer be repaired, we recommend the Duro-Last and the Canada-made Goliath PVC roof system for our roofing projects in Woodstock and the surrounding area.
Here’s why Goliath and Duro-Last PVC roofing membranes are the best solution for flat or low-slope roofs in Woodstock.
Both the Duro-Last single-ply PVC system and the Canada-made Goliath PVC roofing system are engineered for long-term performance on commercial and industrial flat roofs. These high-strength PVC membranes typically last 15–30 years or more, offering exceptional resistance to UV exposure, chemicals, punctures, and harsh environmental conditions. As with any premium flat roofing system, professional installation and repairs are essential to ensure maximum durability and long-term reliability.
Duro-Last and Goliath PVC roofing membranes are designed with reflective surfaces that help reduce heat absorption during hot summer months. This improves overall energy efficiency by lowering cooling demands and reducing energy costs for building owners. Duro-Last membranes also meet Energy Star requirements, supporting measurable improvements in building performance.
Duro-Last single-ply membranes are fully recyclable at the end of their service life and can be returned to the manufacturer for processing—helping reduce landfill waste. Both Duro-Last and Goliath systems are produced with precision manufacturing that minimizes installation waste, contributing to more sustainable flat and low-slope roofing practices.
The Goliath PVC roofing system also stands out as a proudly local, Canadian-made product. Manufactured in Cambridge, Ontario, just outside Woodstock, Goliath supports local industry while providing top-tier performance for commercial and industrial flat roofing. As a product owned by Canadians and produced by skilled workers from our own communities, choosing Goliath means investing back into the local economy. It’s a dependable roofing solution that not only delivers exceptional durability but also helps sustain Canadian jobs and manufacturing.
The cost of installing, repairing, or replacing a flat roof on a commercial or industrial property varies significantly, depending on the current roof’s condition, roof size, the required preparation work, and the materials used. If you’re planning a roofing project, contact us and request a free cost estimate. At Watertite Roofing, we offer competitive pricing for roofing services tailored to your needs.
Here are the estimated costs of various types of flat roofing systems for commercial and industrial roofing applications.
| Type of flat roofing option | Average cost per square foot |
| EPDM | $4 to $12 |
| PVC | $7 to $12 |
| TPO | $7 to $12 |
| Modified bitumen | $8 to $14 |
| Asphalt & gravel built-up-roofing (BUR) | $10 to $20 |
Unlike replacing a few missing asphalt shingles on a sloped roof, commercial flat roofs require different materials and repair techniques. Whether you need roof replacement services or repairs, contact us and schedule a free consultation. You can also benefit from our free roof inspection as part of our flat roof services in Woodstock, Brantford, London and across Ontario.
Watertite Roofing proudly serves communities across Southern Ontario, delivering expert flat roofing solutions with proven reliability. From St. Catharines to Brantford, Hamilton to Dunnville, our certified team brings decades of experience to every project. We understand local needs and tailor our services for lasting results—whether it’s a repair, replacement, or retrofit. With offices conveniently located, we’re never far when your business needs trusted, high-performance roofing.
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