Why Portex: portal frame vs pre-engineered: Conventional steel. Custom engineered.
Standard pre-engineered buildings come with fixed limits. A Portex portal frame building is made from conventional steel and engineered for your project, not picked from a set of templates. You get more design freedom and better long-term performance.
What is a conventional portal frame?
A portal frame building is held up by a row of rigid steel frames. Each frame is a pair of columns joined to roof rafters with stiff connections, so the frame can carry the roof across a wide, open span.
Portex frames are made from conventional wide-flange steel with bolted and welded connections. Each building is engineered for its own size, loads and use.
A standard pre-engineered building is built to the manufacturer’s standards and pre-set templates, with fixed limits on size, column spacing and design.
Portex portal frame vs standard pre-engineered
Where the two approaches differ, side by side.
| Topic | Portex portal frame | Standard pre-engineered |
|---|---|---|
| Building height | Custom heights to suit your needs | Limited to manufacturer standards |
| Interior layout | Flexible layouts with fewer interior columns | More interior columns at set spacing |
| Architectural design | Flexibility to match your vision | Limited design options |
| Framing | Stronger, more durable conventional steel | Lighter-gauge limitations |
| Future changes | Easier to modify or expand | Difficult and costly to modify |
Design freedom. Engineered strength.
Because Portex is custom engineered, the building is designed around your operation, today and as it changes.
Custom building heights
Height is set by what goes inside, not limited to manufacturer standards.
Fewer interior columns
Large clear spans keep the floor open for equipment, vehicles and flexible layouts.
Multiple roof pitch options
Choose the roof pitch that suits the building and the site.
Cranes, mezzanines and heavy loads
Conventional steel makes it easier to design in cranes, mezzanines and heavy loads from the start.
Your layout and openings
Custom layouts, door openings and architectural features, from a simple warehouse to a complex facility.
Room to expand
A conventional frame is more straightforward to modify or extend as your operation grows.
Built for long-term performance
Conventional steel framing gives proven strength and durability, and a low-maintenance building made to last for generations.
- Proven structural strength and durability
- Robust bolted and welded connection options
- Practical, familiar erection methods
- Low-maintenance structures built for demanding Canadian conditions
- Engineered to applicable CSA standards
Engineered and fabricated in Strathroy, Ontario
Portex buildings are engineered, detailed and fabricated by our team in Strathroy. One coordinated team takes your project from concept to completion.
- Consult
- Design and engineering
- Detailing
- Fabrication
- Delivery
- Erection and support
Common questions
What is Portex Building System?
Portex Building System makes custom conventional-steel portal-frame buildings for manufacturing, distribution, agriculture and aviation, engineered, detailed and fabricated in Strathroy, Ontario. Each building is engineered for its own size, loads and use rather than picked from pre-set templates.
How is a Portex portal frame different from a pre-engineered building?
A standard pre-engineered building is built to the manufacturer’s standards and pre-set templates, with fixed limits on size, column spacing and design. A Portex frame is conventional wide-flange steel with bolted and welded connections, custom engineered for your project, so the heights, layout and openings are set to suit you.
What does Portex supply?
The portal steel frame and its engineered design, with metal roofing and metal siding. We engineer, detail and fabricate the frame in our Strathroy shop, deliver the steel and materials to your site, and provide erection support as the frame, roof and siding go up.
Where are Portex buildings made?
In our own shop in Strathroy, Ontario. Every Portex building is engineered, detailed and fabricated by our team there, and the steel is delivered to your site ready to build, so engineering, fabrication and project support all stay close to home.
Can a Portex building carry cranes, mezzanines or heavy loads?
Conventional steel and custom engineering make it easier to design in cranes, mezzanines and heavy loads from the start. Tell us about them when you ask for a quote, so they are engineered into the frame.
Can I expand a Portex building later?
A conventional steel frame is easier to modify or expand later, while a standard pre-engineered building is difficult and costly to modify. If you expect to grow, say so at the consult, so the room to expand is part of the plan.
How do I get a quote?
Use the Request a Quote form or call 519-518-0246. Tell us what the building is for, roughly how big, and where it will go; rough details are fine. Prices are not published, because every building is engineered and quoted on its own. The guide “Planning your steel building” lists what to have ready.
For what to have ready, read Planning your steel building.
Tell us what you need to build
Send us the size, use and location of your building, and we will put together a quote for a Portex building engineered around it.