What are Floor Guide Rollers for Coolrooms and Freezers?

24 April 2017

Door hardware kits introduce walk-in coolrooms and freezers to many curiously shaped components. There are spring-loaded mechanisms to close that final crucial gap and create a perfect seal. Additionally, there are plastic curtains to soften the interface between the outside environment and the chill inner chamber. Floor guide rollers are just another member of this vital mechanical sealing group. Here’s a walkthrough that illustrates the role of these ground-level guides.

What are Floor Guide Rollers? 

Designed as seal-essential rolling door components, these guides, brackets, and wheels support heavy coolroom doors and move them along accurately established grooves. In other words, this is a mechanical entryway solution that enables sliding walk-in doors to function properly. Keep that notion firmly in mind as we consider the fixed railings that transport the rollers. Certainly, those smoothly rotating wheels are important fittings, but the wheeled constructs aren’t built to create that crucial seal we just highlighted. No, it’s the location of the guides, the wheel rails that decide seal integrity. But wait, the floor guide rollers don’t handle all of this back-breaking work, do they?

It’s A Family Affair 

A glance into a roller guide inventory reveals a veritable smorgasbord of metal parts. There are h-type fixtures and base plates with nylon stoppers, plus many more floor guide components. Meanwhile, up top, hanging roller assemblies support the weight of heavily insulated doors, the slab-like panels that slide effortlessly on grooved rails. Made from die-cast alloys, the toughened rollers, brackets, and extended guides, are built to expedite entry while delivering a guide system that guarantees gap-free opening and closing.

Assessing Entryway Sealing Hardware 

A modular cooler with beautifully assembled composite panels on every interior surface is a wonderful sight to behold, but it can also be quickly rendered ineffective if the door hardware isn’t configured correctly. Essentially, the floor guide system, the rails and mechanical routeing assemblies must be accurately aligned so that the floor guide rollers convey the supported door to its decreed location. There are door gaskets to consider, rail assemblies, and the heavy duty rollers. Supplementary additions to this layout include transparent plastic curtains, plate-constrained nylon stoppers, and offset guide plates.

The profile of each floor guide roller is typically designed to accommodate a central furrow. It’s this circular depression that runs smoothly along an extruded track, a rail that makes the doors glide steadily inward and outward. As it snaps into place and closes, a series of flexible gaskets give life to a perfect seal, one that’s every bit as sound as a hinged hardware solution and its hydraulic door clamping mechanism.

Mark Connelly
C&M Coolroom Services
E-mail: markconnelly@cmcoolrooms.com.au
Mobile: 0412 536 315

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