What Are the Differences Between Dock Seals and Dock Shelters for a Warehouse?

If you’re not careful, a busy loading dock can cost you a lot of money. The open door exposes your crew and inventory to the elements. It drives up heating and cooling costs and lets in dust, dirt, rodents and insects.

Dock seals and dock shelters are some of the simplest ways to save money in this regard. They:

• Shield your building from wind, rain and snow.
• Provide better climate control and minimize energy loss.
• Stop ice and snow from building up and causing accidents.
• Prevent shipments from getting damaged by the elements.
• Increase productivity by improving the comfort and morale of your staff.

From this perspective, the differences between dock seals and dock shelters appear small. But while they both serve the same function, they do so in different ways and with different costs. Understanding their distinctions is crucial to making the right decision.

Dock Seals

Dock seals are foam pads attached to the top and sides of your loading bay. Trailers rest against them when they back in. The weight of the truck creates the strongest possible seal against the elements. Outside air can’t get in. Inside air can’t get out, significantly lowering the burden on your heating and cooling systems.

Dock Shelters

Dock shelters are made from fiberglass curtains that wrap around the end of the trailer as it backs into the loading bay. Shelters can accommodate trailers of any size, making them an ideal choice for businesses that require more versatility.

However, dock shelters don’t create an airtight seal. Some moisture will leak through the top flap, and you’ll experience a small amount of energy loss as well. What’s more, while dock shelters last longer than dock seals, they’re also more expensive to install, repair and replace.

Types of Dock Seals and Shelters

There are many types of docks designed for different operating conditions, facility requirements and trailer configurations. It’s important to understand your options so you can invest in the best type for your warehouse.

Dock Seal Types

The top types of dock seals are:

• Compression: Compression dock seals have foam pads on both sides of the dock opening. This setup creates a weathertight barrier, ideal for facilities that receive trailers of consistent sizes. These seals help maintain a controlled atmosphere in your loading bay.
• Inflatable: Inflatable dock seals are ideal for food distribution centers and cold storage facilities. They have air-filled bags that inflate around the trailer once it docks, forming an incredibly tight seal. The design helps maintain a controlled environment.

Dock Shelter Types

Two common types of dock shelters are:

• Rigid frame: Rigid-frame dock shelters are constructed with flexible curtain panels and a rigid frame. They work well for a wide range of trailer sizes and offer low-maintenance benefits, which is especially helpful in high-volume distribution environments.
• Retractable: Retractable shelters have a spring-loaded frame that you can retract when not in use. They work well for facilities where dock doors tend to stay open during deliveries and you need to protect the facility from bad weather like wind and rain.

How to Choose the Right Solution for Your Loading Dock

It’s crucial to choose a dock seal or shelter based on your facility’s specific operating conditions. Consider these questions when making a decision:

How Consistent Is Your Trailer Fleet?

If your dock often works with the same type and size of trailer, look for compression or inflatable seals. If your facility sees a mix of trailer widths, a dock shelter might be a more flexible option.

How Critical Is Climate Control?

If you’re working with food-grade facilities, cold storage and pharmaceutical distribution, it’s important to choose an option that helps maintain a sealed environment. In this case, inflatable dock seals are an excellent option for providing a thermal barrier. If you’re just looking for general warehousing needs, a dock shelter will be sufficient.

What’s Your Long-Term Plan?

Consider your budget or long-term plan. Dock seals cost less up front but wear faster, especially with heavy-duty use. While dock shelters have a higher initial investment, they tend to last longer and require less maintenance. At Vortex Doors, we help our clients make a choice based on their long-term facility plans.

Deciding Between Dock Seals vs. Dock Shelters

Whether you’re looking for a new dock seal or shelter, or replacing a deteriorating one, we can help you. Our loading dock canopies and shelters are designed to protect your loading area and shipments.  We can help install shelters and canopies or repair your existing ones to restore protection of your receiving area.

Vortex creates custom door solutions. We work with you, analyzing your business’s needs to determine the best door accessory for your budget and loading bay. Contact us today for a quote or to learn more about dock seals and dock shelters.