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Introducing The Magnum Series

Salt storage facility owners want common objectives met in their buildings; Lowest possible total project cost, lowest total cost of ownership, tallest vertical clearance and corrosion resistance/elimination.

Britespan takes pride in researching our customer’s industries, and working with them to develop new, industry leading tension fabric structures that suit all their needs. Our team of dedicated experts interviewed 100 salt storage facility owners to better understand what would make an ideal structure for their industry.

Introducing the Magnum Series

Magnum Front 1080 Photoview 36MIN 169

Based on the research we gathered, Britespan was able to engineer a fabric building that would perform and facilitate the specific requirements of the salt and sand storage industry.


Lowest Cost per Ton to Store


The Magnum Series offers the ability to reduce the foundation cost up to 40%


Yes, up to a whopping 40%!
Utilizing a pier foundation with independent bunker panels results in a reduction of overall cost per ton to store.

Your operating costs directly effect the efficiency of your business. The cost per ton, is an unavoidable fixed expense year after year for the duration of the building. At Britespan, we do not only focus on the cost of the building kit, we also consider the expenses that are incurred to build the structure including foundation and labor cost.

By understanding the most heavily weighted expenses when it comes to erecting a new structure, Britespan’s team of engineers were able to design a prefab building that could be built to the traditional quality standards, without the requirement of a heavy continuous concrete wall.

Lowest Cost of Ownership

What can increase the cost of ownership?

Damage from wheel loaders and semi-trucks that hit the trusses and damages caused by hidden corrosion and rust (inline galvanized trusses that rust from the inside out undetected).

Understanding the factors that play into the increased variable cost of ownership, our engineers designed the Magnum Series to mount independently from the salt retaining wall, to allow exceptional clearances preventing impact damages from operators.


Mounting the building independently from the salt retaining wall allows for exceptional clearances preventing impact damages from operators.


Paired with our hot dipped galvanized trusses, you can rest assured knowing that your tension fabric structure will outlast and outperform its competitors year after year.

When choosing the best structure for your salt or sand storage facility, you want two main things; longevity and durability. The structure you choose for your facility should provide you with peace of mind and assurance that your investment will decrease your overall operating expense over time.

Tallest Vertical Clearances


The Magnum Series boasts an impressive 20-foot tall vertical clearance at the bunker wall and 30-foot wide by 37-foot tall dumping lane inside the building.


This exceptional clearance maximizes cubic storage, operational efficiency and minimizes  potential damages.

Often, the tallest vertical clearances of a building are determined by the height in the center. What designers frequently mistake to calculate is the actual width of the vertical clearance lane that is required to safely inbound salt deliveries with speed.

In the average 8’ wide lane, buildings are typically just tall enough for a semi-truck to dump a load, which creates a large potential for error, due to the accuracy required by the driver when backing into the facility. When you consider that the accuracy required must continue with perfection, load after load, we are left exposed to the threat of potential expensive repairs to replace trusses and/or cladding, along with loss of earnings due to reduction of operating availability.

As with delivery truck drivers, loader operators are susceptible to causing damages to storage buildings when lifting the loader bucket above the top wall. If the operator is not excessively careful, the operator is likely to impact a truss leg with the loader. One single error by the operator can leave facility owners faced with an expensive repair to replace trusses and/or membrane cladding.

Corrosion Resistance


Salt piles will not and can not encase steel truss components in the Magnum Series


Steel trusses in salt buildings will deteriorate when three conditions coexist; salt, humid air (moisture content/condensation), and exposure to raw steel.

Traditional salt storage buildings and domes prevent proper air exchange and more importantly, prevent moisture and humidity exhaust that build up in fully enclosed conditions, creating condensation.

Along with the fact that any structure that has been mounted to the top of the wall that confines the salt, will inevitably rust due to the salt being pushed up on top of the wall and encasing the truss bases.

Considering this, Britespan’s engineers were tasked to find a way to eliminate the chances of rust and corrosion of trusses over time and increase the natural circulation of fresh air.

Salt piles will not and can not encase steel truss components in the Magnum Series, as the trusses are completely independent from the salt containment wall.

The large space between the building and the bunker wall allows for air circulation and venting, preventing condensation and eliminate the chances of corrosion and rust.


As with all our building series, the trusses that we manufacture for our building are hot dip galvanized after all welding is completed. Undeniably reducing the potential risk of corrosion and rust far beyond the performance of inline galvanized steel truss parts.

Want more information? Download our Salt & Sand Brochure.

Looking for a Quote? Contact us today!

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    About the Author

    Britespan Building Systems Inc.

    Britespan Building Systems Inc.

    With over 25 years in the fabric structure industry, businesses have relied on Britespan buildings to protect their most valuable assets and provide superior operational and storage space.