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Engineered components tailored to your project

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Engineered Wood Components & Roof Trusses in Cornwall and Surrounding Areas

roof trusses

At St. Lawrence Structures St‑Laurent Inc., we manufacture and supply engineered structural wood components for residential, commercial, and agricultural construction throughout Cornwall, Ottawa, Rockland, Hawkesbury, Limoges, and nearby regions. With over 30 years of engineering and fabrication expertise, our products are designed for strength, long‑term performance, and compliance with today’s building codes.

 

Our clients include:

  • residential contractors building single homes or multiplexes

  • homeowners taking on new home builds, additions, or garages

  • lumber yards requiring reliable engineered components

  • agricultural builders constructing barns and storage facilities

  • small commercial builders completing low‑rise structures or additions

 

We manufacture and supply a complete range of structural components including roof trusses, open joists, I‑joists, laminated beams and columns, rim boards, and structural hangers. Each product is engineered to match your exact project requirements and delivered directly to your site using organized, easy‑to‑unload delivery trailers.

 

We proudly partner with trusted, industry‑leading brands to ensure quality and performance, including:

 

Explore our full range of products and visit each dedicated page for details.

OUR PRODUCTS

Each product we offer is tailored, engineered, and manufactured to support your building needs.

Roof Trusses 

Our engineered roof trusses deliver strength, consistency, and reliable long‑span performance for residential, commercial, and agricultural buildings.

Open Joists

We supply TRIFORCE® Open Joist, a lightweight, high‑performance floor system with full‑length access for mechanical installations.

I‑Joists 

Our engineered I‑joists from BOISE Cascade® provide excellent strength‑to‑weight ratios, reduced shrinkage, and stable performance for quiet, durable floors.

Laminated Beams & Columns 

We offer laminated beams and columns designed for long spans, heavy loads, and structural integrity in homes, additions, barns, and light commercial projects.

Rim Boards

Engineered rim boards ensure proper load transfer and solid perimeter stability for floor systems. Ideal for new home construction, additions, and multiplex buildings.

Hangers

We provide a full range of certified structural connectors and hangers from Simpson Strong‑Tie®, ensuring safe, reliable installation of joists, beams, and trusses.

Our Process

Learn how our streamlined workflow takes your drawings from engineering to fabrication and delivery with accuracy and efficiency.

St. Lawrence Structures St-Laurent Inc logo

CONTACT

1030 Nick Kaneb Dr.

Cornwall, ON, K6H 0G4

 

Phone: 613-932-4413

 

Email: info@slstructures.ca

METHODS OF PAYMENT

Mastercard

HOURS

Monday - Thursday: 7:30 AM to 5:00 PM

Friday: 7:30 AM to 12:00 PM

SERVICE AREA

  • Cornwall

  • Ottawa

  • Rockland

  • Hawkesbury

  • Limoges

We are located in Cornwall and travel within a radius of 200 km between Montréal and Ottawa.

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