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Why use Aluminum Shutter Style Roll-Up Doors?

Whiting Door introduced the first practical overhead style roll-up door to the North American truck and trailer market in the early 1950s. Aluminum shutter style roll-up doors first appeared in the European emergency vehicle market decades ago and quickly achieved widespread market adoption. Shutter style doors did not appear in North America until the 1980s and saw very slow adoption rates. Traditional markets such as the fire service can be very slow to adopt new technologies.  Early detractors felt that shutter style doors were prone to several issues including leakage, jamming and simply occupied too much space.  Over the years, market competition has led to significant improvements addressing these objections.

In general, the advantages of shutter doors can be wrapped up into 4 categories: Safety, efficiency, reduced propensity for damage and weight savings.

swing door image 1

Hand signals are not very effective through solid doors.

Safety

Emergency vehicle personnel are asked to deal with a myriad of operating environments.  These often take the form of chaotic, noisy scenes.  With screaming sirens, flashing lights, motorized equipment, smoke and general noise operators become highly dependent on vision. When deploying a conventional swing door, the operators’ view of the scene is compromised, and emergency personnel often cannot make eye contact with other team members.  Vision-related safety issues will be explored in greater depth in future blogs.

 

Efficiency

A significant number of operating environments involve confined space.  In the interior of an ambulance, space is always at a premium.  Swing doors require that the entire area occupied by their swing be left clear restricting interior layouts.  Roll-up doors eliminate this obstruction and allow greater utilization of this critical operating environment.  In the photo below, the use of a roll-up door allows for unencumbered storage immediately adjacent to the curbside entry door.

During extrication, Rescue apparatus may be required to park tight against concrete dividers or immediately adjacent to the vehicle that is undergoing an extrication exercise. Imagine trying to access equipment from compartments with swing doors located immediately next to a concrete divider. 

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In this case, roll-ups allow the Heavy Rescue to park and safely operate tight against the median

Running lines and deploying equipment at maximum speed while firefighters are navigating around swing doors is downright dangerous!  If two fire apparatus are parked at a congested accident scene, it may be impossible to access compartments with swing doors.

Good luck opening these swing doors

Propensity for Damage

Virtually every week our team receives a call from a dealer or department to inquire about a full truck retro-fit from swing doors over to roll-up doors.  For operational reasons, it is common practice for compartment doors to be left open in the fire hall.  Several reasons for this practice are to allow compartments and gear to dry out faster as well as allowing firefighters to see their equipment and “gear up” faster when receiving an emergency call.  Unfortunately, all too often a swing door is left open as the truck leaves the hall.  The result?  Swing doors being ripped clean off the rig and/or significant structural damage to the fire hall itself.  This circumstance is eliminated using roll-up shutter doors.  The same issue can happen on scene when swing doors are left open.  Secondary vehicles or even motorists routinely rip fire apparatus swing doors off the vehicle.

Even the smallest swing doors can extend beyond the fire hall overhead door when deployed

In this suspected example of target fixation, a catering truck ripped the door off a fire truck involved in an extrication while approaching the accident scene.  As evidenced by the skid marks, the driver saw the wide-open swing door too late.  Although this is a cab door, the same situation occurs with compartment doors every single week

Weight Savings

Over the years, fire apparatus has become increasingly complex.  This, combined with the downloading of services requires firefighters to carry more equipment than ever before.  As a result, fire departments and the firms which engineer and build their trucks always have one eye on vehicle weight.  This issue can have wide-ranging implications ranging from axle ratings to engines to layouts designed to reduce the center of gravity.  It is not uncommon for double-walled swing doors built around a ladder frame to weigh 100 pounds or more each.  A full-sized aluminum roll-up shutter door would result in weight savings of 30% or more.  When multiplied by 7, 9 or 14 roll-up doors per truck, the weight savings can be considerable.

This blog has outlined the major reasons that aluminum shutter style doors have become the standard in the emergency vehicle industry.  In short, they are a safer, more efficient choice for apparatus design.  In future blogs, we will explore other industries where early adopters are beginning to recognize the value (if not a necessity) for roll-up doors. Got a question? Contact our team of experts at ISG for more information.

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CONTACT US

3435 South Service Road
Burlington, ON L7N 3W6

AMDOR Inc
4304 Walden Ave.
Lancaster, NY 14086

Toll Free: 877-845-3816
Phone: 905-333-6745

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CONTACT US

3435 South Service Road
Burlington, ON L7N 3W6

AMDOR Inc
4304 Walden Ave.
Lancaster, NY 14086

Toll Free: 877-845-3816
Phone: 905-333-6745

SEND A MESSAGE

AMDOR

WHITING CANADA

INNOMOTIVE SOLUTIONS GROUP

truck roll-up door