(519) 328-2142

©2018 by J. Therrien Construction


         Looking for reliable contractors? You’re in the right place. Our team is dedicated to providing top notch services at affordable prices. We have over 25 years of experience in a wide range of industries, and always get the job done right. We are looking forward to hearing from you!



J. Therrien Construction serves as a leading contractor in the Sarnia and London area. We’re a team of fully-certified professionals who tackle everything from complex large projects to smaller scale jobs. Fueled by our commitment to excellence, we go the extra mile to make sure clients are completely satisfied with our work. Call us today to schedule a free consultation.




Quality Work, Great Rates

J.T. Construction is ready to fulfill your contracting needs. Whether you’re looking for a few helpful tips or need an experienced professional to fully manage a project — we’ve got the tools and experience to guarantee success. Browse through our services below, and get in touch for an estimate today.

Efficient. Reliable. Exceptional.

Roofing Repair

It’s All in the Details

Rain Gutter Installation

Customized to Your Preferences

Roof Replacement





Quality Service = Outstanding Results


“If you’re looking for a reliable, efficient, and trustworthy contractor, you’ve definitely come to the right place. J. Therrien Construction is the absolute best and really knows how to deliver. You won’t be let down!”

Robbie White

“I was very impressed at how the final result turned out. The team at J. Therrien Construction is really talented, with the skills and expertise to get the job done right. Highly recommended!”

Riley Jones

“I’m so happy I chose to work with J. Therrien Construction. From the initial consultation all the way through the project’s conclusion, the service I received was impeccable and the end result really brought my vision to life.”

Payton Hillman


Do you have a project in mind? Get in touch today and let our licensed experts help get the job done right.


We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with Imperial Roofing Ltd, or any of its subsidiaries or its affiliates.
The use in this website and/or in related promotional video material of trademarked names and images is strictly for editorial and descriptive purposes, and no commercial claim to their use, or suggestion of sponsorship or endorsement, is made by J.Therrien Construction. Those words or terms that the authors and publisher have reason to believe are trademarks are designated as such by the use of initial capitalization, where appropriate. However no attempt has been made to identify or designate all words or terms to which trademark or other proprietary rights may exist. Nothing contained herein is intended to express a judgment on, or affect the validity of legal status of, any word or term as a trademark, service mark, or other proprietary mark. 

Notice of Non-Affiliation and Disclaimer

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