Dur?A?Span
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Our Commitment Atlantic Industries Limited (AIL) has built a solid reputation by providing professional support and innovative, high-quality corrugated metal products around the world.

Lightweight, strong and corrosion/abrasion resistant, AIL’s Dur•A•Span Aluminium Structural Plate has been going the distance in over 1,000 structures worldwide for many years – beating the usual heavyweight contenders, like precast concrete, on overall performance and cost. And now, thanks to our innovative reinforcing rib technology, Dur•A•Span can go even farther (and wider) to outperform all challengers. The proven strength, economy and longevity of Dur•A•Span is ideal for coastal or remote installations. Corrosion/Abrasion Resistant Aluminium is well-known for its longer design service...

All in a day’s work and no heavy lifting! Many Dur•A•Span™ structures can be shipped assembled and be set in position the same day with a medium duty crane or an excavator. In this case, the headwalls were attached on arrival and, at the end of the day, everything was in position and engineered backfilling had begun.

Light, Strong and Durable by Design. Ever notice how it’s only this type of shell that survives the pounding surf? Like the shell, Dur•A•Span™ structures are designed to withstand the harshest corrosive and abrasive coastal environments to outlast all others. Dur•A•Span versus Concrete Weight 1/50 the weight of concrete pipe Faster, easier to install than concrete, less labour and trucking costs Site Impact Minimal with aluminium, lighter (lower cost) equipment, less excavating Very low, easy to inspect, continuous footings eliminate settling Corrosion/abrasion resistant and mechanical...

Box Culverts Dur•A•Span™ corrugated aluminium structural plate box culverts combine the structural qualities of rigid box culverts with flexible metal culverts and result in a totally engineered installation. Usually supplied with an open invert, box culverts are an environmentally friendly solution to your construction needs, promoting fish passage throughout the construction period and beyond. Box culverts are used primarily when height is limited and can be used with cover heights as low as 450 mm. A variety of footing options are available. Full Corrugated Inverts Box Culvert Shell...

Other Shapes We create Dur-A-Span™ structures in a wide variety of shapes and configurations to suit many different project needs. If you don't see what you are looking for here, talk to an AIL Technical Representative about our custom sizes and shapes. Arch Round Vertical Ellipse Pipe Arch Underpass Underpass (Pedestrian/Animal) (Vehicular)

Ask your AIL Technical Representative about various types of fish-friendly flow options.

Spans of 12.2 m and greater are available. Depending upon your application, Box Culvert or Arch spans may be designed in excess of 12.2 m. Please consult with an AIL Technical Representative for further information.

Round and Vertical Ellipse Underpass (Vehicular) Pipe Arch Underpass (Pedestrian/Animal) Relines – infrastructure renewal made easy. AIL’s reline packages can help salvage failing structures and avoid the time, cost, safety and environmental issues inherent in full replacement. Various shapes of Dur•A•Span™ structures can be made for insertion into the existing openings with minimal environmental impact. Grout is placed in the annulus between the structures and new headwall and wingwall packages are available in a variety of finishes. Ask your AIL Technical Representative for more details....

PRODUCTS AND SERVICES • Bolt-A-Plate® • Window Wells • Corrugated Steel Pipe • Construction Services • Corrugated Steel Pipe Arch • General Fabrication • Corrugated Aluminium Pipe • Corrugated Aluminium Arch • Erosion Control Products • Super•Cor® Structures • Water Control Gates • Ultra•Cor® Structures • Gabion Baskets • Guiderail Systems • Dur•A•Span® Aluminium Structures • Aluminized Type II Pipe • Hi-Flo Pipe • Galvanized Spiral Duct • Atlantic Structural Walls THE INFORMATION, SUGGESTED APPLICATIONS AND TABLES IN THIS BROCHURE ARE ACCURATE AND CORRECT TO THE BEST OF OUR KNOWLEDGE, AND...