De Saulniers Construction Ltd

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Here’s a look inside 902 Second St. ✨We transformed the interior of a former school board office—originally built in the...
02/04/2026

Here’s a look inside 902 Second St. ✨We transformed the interior of a former school board office—originally built in the late 1800s and expanded in the 1960s—into a modern, multi-tenant financial building.

The renovation introduced a new elevator, upgraded fire separations, and four independent suites—all while keeping the on-site daycare fully operational.

Progress shot 📸�This new addition is taking shape to provide barrier-free access to the existing basilica. The project i...
01/29/2026

Progress shot 📸�This new addition is taking shape to provide barrier-free access to the existing basilica.

The project includes a new lift and ramps, thoughtfully integrated into the historic structure to preserve its character while meeting modern accessibility standards.

Results are in!�Our mid-construction blower door test came in at an impressive 0.35 ACH @ 50 Pa — a major milestone for ...
01/21/2026

Results are in!�Our mid-construction blower door test came in at an impressive 0.35 ACH @ 50 Pa — a major milestone for this project.�Certified by Passive House Canada | Maison Passive Canada.

Thanks to Wilson Architectural Design for the design and for the guidance to help us achieve this result and to Homesol Building Solutions Inc. for conducting the blower door test.

Proud moment for the whole team. 👏

A throwback to the renovation done at the Cline House Gallery in Cornwall. This project focused on preserving the buildi...
01/03/2026

A throwback to the renovation done at the Cline House Gallery in Cornwall. This project focused on preserving the buildings heritage charm while introducing modern finishes! Fresh paint, detailed trim work and updated lighting bring warmth and brightness to the gallery.

Our team at De Saulniers would like to wish everyone a Merry Christmas and a Happy New Year! Thank you for trusting us w...
12/25/2025

Our team at De Saulniers would like to wish everyone a Merry Christmas and a Happy New Year!

Thank you for trusting us with your projects this year!

#2026

12/18/2025

We’re proud to announce the completion of 600 Second Street, a thoughtfully designed 15-unit residential development built to bring comfort, quality, and modern living to the community. 🏡✨

A sincere thank-you to our client for their trust throughout this project, and to our dedicated team and subcontractors whose craftsmanship and commitment brought this vision to life.

From foundation to finishing touches, every step was a collaborative effort—and we’re honoured to deliver a space residents will soon call home.

Steady progress being made at 1164 Pitt St. The structure is now fully sealed with Solitex Adhero 3000, establishing a c...
12/07/2025

Steady progress being made at 1164 Pitt St.

The structure is now fully sealed with Solitex Adhero 3000, establishing a continuous air and weather resistive barrier. Window units are installed and integrated into the WRB.

Cladding complete at 600 Second St✨🔨Featuring sleek metal panels that bring a modern look and long lasting durability! ...
12/02/2025

Cladding complete at 600 Second St✨🔨

Featuring sleek metal panels that bring a modern look and long lasting durability!

Address

Cornwall, ON
K6H0B9

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 9am - 5pm
Sunday 10am - 4pm

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