Industrial, commercial & institutional roofing across the GTA
Sinclair Industrial Roofing is a full-service roofing contractor serving from Oshawa to Niagara Falls and up to Barrie. Send your building details and we will follow up — or call us direct.
What we roof
A full-service roofing contractor working on industrial, commercial and institutional buildings. Pick the closest match to see how we work and what we have done.
Emergency leak repair
A crew on site within hours to stop active leaks, with a permanent fix wherever roof conditions allow.
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Roof repairs & maintenance
Small, scheduled repairs that add years to your roof and cut down on emergency leak calls.
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Complete roof replacement
Full tear-off and replacement on any building type, trained and equipped for all roofing systems.
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Roof condition analysis
Condition reports that let you plan and budget roofing capital across all of your buildings.
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Sloped roofing
Shingle and metal sloped roofs installed by qualified professional installers.
Learn moreRecent roofing work
A sample of completed industrial, commercial and institutional projects. Tap any photo to enlarge.
Why contact Sinclair
Under owner Mark Anderson, Sinclair brings decades of roofing experience and a crew known for being polite and respectful of your place of business.
A full-service contractor
One team for repairs, replacement, condition reports and sloped roofs — trained in Fleece Back, Modified, TPO, EPDM and metal systems.
Fast on emergency leaks
A crew on site within hours of an emergency call, with a permanent fix wherever roof conditions allow.
Reports you can budget from
Condition analysis reports that organise your buildings and plan capital roofing spend before problems become leaks.
Local across the GTA
Offices in Concord and Barrie, serving from Oshawa to Niagara Falls and up to Barrie.
Systems we install
We have the skill set for any type of roofing system, and apply quality products from the manufacturers we trust.
Proud applicator of: Carlisle · IKO · Garland · Henry · Tremco · Johns Manville and more.
Verified on Google
Sinclair Industrial Roofing holds a 3.7-star rating across 3 Google reviews — a young review record. The fastest way to judge the work is to reach out directly and ask for references relevant to your building.
Where we work
Sinclair Industrial Roofing is centrally located to serve the Greater Toronto Area — from Oshawa to Niagara Falls and up to Barrie — working from our head office in Concord and a second base in Barrie.
- Barrie
- Toronto
- Vaughan
- Markham
- Oshawa
- Mississauga
- Brampton
- Hamilton
- Niagara Falls
Head office
160 Applewood Crescent, Unit 1-2, Concord, ON L4K 4H2
Common questions
Straight answers to what most callers ask first.
Sinclair Industrial Roofing is a full-service contractor for industrial, commercial and institutional buildings — covering emergency leak repair, preventative maintenance and repairs, complete roof replacement, roof condition analysis, and sloped shingle and metal roofing.
Within a few hours of an emergency leak call we have a crew out to your place of business. We make every effort to complete a permanent repair on the first visit; if roof conditions do not allow it, we apply a temporary repair to stop the leak and quote the permanent solution.
We are centrally located to serve the Greater Toronto Area — from Oshawa to Niagara Falls and up to Barrie — working from our head office in Concord and a second base in Barrie.
Our crews are fully trained in all major systems, including Fleece Back, 2-Ply Modified, 4-Ply, TPO, ballasted EPDM, and sloped shingle and metal roofs, plus custom sheet metal work.
Use the request form on this page or call (416) 746-5553. Include your building type and address, approximate roof size, what is happening on the roof, and your timing — photos help us respond faster.
Tell us about your roof
Send your building details and we will follow up, or call us direct — a crew can be on site within hours for emergency leaks.
Request information
Tell us about the building and what is happening on the roof, and Sinclair Industrial Roofing will follow up by phone or email. You can also call (416) 746-5553.
What to include
- Building type & address
- Approx. roof size or number of floors
- What is happening (leak, replacement, inspection)
- Your timing