Welcome to Poly-N-Jex

At Poly-N-Jex, we are Ottawa's best solution for solving water infiltration issues using advanced chemical grouting techniques. Our innovative solutions are designed to effectively seal and prevent water leaks, ensuring the integrity of structures. With our expertise and commitment to quality, we are the trusted choice for manhole water infiltration solutions in Ottawa ON, Canada.

Why we're better than the competition:

Our efficient set up means you save money, and our pride in workmanship means you don't compromise on quality! 


What We Do

Manhole Water Infiltration Solutions

Our specialized solutions effectively seal manholes, preventing water infiltration and structural damage.

Chemical Grouting Expertise

With our in-depth knowledge of chemical grouting, we provide expert solutions for a variety of water infiltration challenges.

Seal and Prevent Water Leaks

We offer advanced techniques to seal and prevent water leaks, ensuring long-term protection for underground structures.


Frequently Asked Questions

How does chemical grouting prevent water infiltration?

Chemical grouting involves injecting specialized grout materials into cracks and leaks to seal and stabilize the surrounding area, effectively preventing water from infiltrating manholes.

What areas do you serve in Ontario, Canada?

We serve various areas in the greater Ottawa area, including Ottawa, Nepean, Kanata, Brockville, Kingston, and Lanark County. We are based out of Perth, ON so are only an hour or less away. Contact us to inquire about services in your location.

What sets Poly-N-Jex apart from other water infiltration solution providers?

Poly-N-Jex stands out due to our efficient setup for manhole water infiltration solutions. This allows us to outpice our competitors by not having a cumbersome setup, and focusing solely on manholes and utility chambers. Boasting over a decade of hands-on experience in sewer system building and rehabilitation, our founder stands as a seasoned authority in the field. Our professionals are prepared to tackle water infiltration challenges head-on and are committed to quality, cost, and time-effective solutions. 

Our main advantage is honesty and being exceptional at what we do which translates into huge savings for you. We do this by not overcharging and producing a job done right the first time ready to pass inspection the same day.

Contact us

Contact us today to set up a meeting for a free estimate, OR any questions you may have. 



About us

Poly-N-Jex is a leading provider of manhole chemical grouting in Ottawa for water infiltration solutions. Our founder, JS Proulx, has over a decade of industry experience, a dedication to delivering exceptional results, and has earned a reputation for excellence in the industry. He is the backbone of our team who are committed to providing effective and sustainable solutions that address the unique challenges of water infiltration in manholes. Additionally, our efficient set up and good relationships with suppliers translates into substantial savings for you!


Find out how much you could save today! We guarantee you won't be disappointed with price, workmanship or quality.