We Never Leave A Door Open

commercial overhead doors
loading dock levelers
loading dock systems
loading dock levelers

Loading Dock Levelers

GNB Doors provides outstanding loading dock leveler sales, installation, and service in Alberta, Saskatchewan, Manitoba, and North Western Ontario. We specialize in working with you to size and select the right loading dock system best suited for both your needs and budget. GNB partners with leading manufacturers, like Garaga, C.H.I. Overhead Doors, Pentalift, and Hörmann to provide you with the finest door options on the market.

Contact one of our overhead door specialists today for a free consultation, where we will provide you with our product recommendation, a detailed cost estimate, and our scheduling availability. Call us at 1-866-968-3398 or fill out our contact form on this page.

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Our GNB Doors Give A Sh!t Guarantee


1 Hour Response to Calls

All customers will receive a call back from a GNB team member within 1 hour of your initial call to us.

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We Never Leave A Door Open

We will never leave your operation open and unsecured. We promise that we will get your door down before the end of the day so that you can secure your operations.

What Is A Loading Dock Leveler?

A loading dock leveler is a piece of equipment that provides a bridge between the loading dock and the trailer bed in a freight handling facility. Its primary purpose is to compensate for the height differences between the dock and the truck or trailer, ensuring smooth and safe transfer of goods. This minimizes gaps, height differences, or other potential obstacles that could interfere with the movement of goods, equipment, or personnel.

There are several types of dock levelers, including:

Mechanical Dock Levelers
These are manually operated by a pull chain. When the chain is pulled, the dock leveler rises, and when it’s released, the lip of the leveler extends and rests on the truck bed.

Hydraulic Dock Levelers
These are powered by hydraulic cylinders and are activated by pushing a button. They are generally easier to operate than mechanical dock levelers and can handle heavier loads.

Air-Powered Dock Levelers
These use an airbag or bellows system to raise the platform. They sit in between mechanical and hydraulic levelers in terms of complexity and cost.

Edge-of-Dock Levelers
These are mounted to the edge of the dock and provide a smaller ramp than full-sized dock levelers. They’re suited for docks with minimal height differences between the truck and the dock platform.

Vertical Dock Levelers
These store vertically, allowing the dock door to close directly on the pit’s floor, which can help maintain environmental control inside the facility.

Loading dock levelers come in various sizes, capacities, and configurations to accommodate the wide range of truck and trailer sizes and the specific needs of different facilities. Proper maintenance and regular inspections are essential to ensure their safe and efficient operation.

Patricia Ave Building 7, Brandon, MB R7A 5Y4, Canada
702 18 Ave Bay 15, Nisku, AB T9E 7V8, Canada
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Patricia Ave Building 7, Brandon, MB R7A 5Y4, Canada

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Communities We Serve

GNB Doors provides outstanding commercial overhead door sales, installation, and service across communities in Alberta, Saskatchewan, Manitoba, and North Western Ontario, including:

Safety First

Success Will Follow

Safety Never Comes Second

We work with heights, metal components, motors, and high-tension springs – rest assured that we take the safety of you and our crews very seriously. We have certifications and membership in several safety designations. We are proud to have licensed technicians, fully-trained staff, and all the necessary equipment to get every job done without incident.