Five shelf chrome wire shelving unit on swivel casters

Overhead track shelving hangs the moving units from an aluminium rail above them instead of running them on a track laid across the floor. The units still slide sideways so one aisle serves the whole bank, but the floor underneath stays completely clear: nothing to sweep around, nothing for a cart wheel to catch. Labs USA is a supplier and project partner, not the manufacturer. We supply Quantum Medical storage products, help configure them for the room and the workflow, and coordinate delivery and installation.

Overhead track shelving system with stationary end units and mobile carriages
1,200 lbmanufacturer’s published load per unit
8-24 ftpublished kit assembly lengths
18-24″published bracket depths
1aisle for the whole bank

Floor track or overhead track?

Same objective, opposite mounting. The choice is usually made by the floor, the ceiling and how the room is cleaned.

Overhead track carries the moving units from a rail supported by the end units, so the aisle floor is uninterrupted. The manufacturer describes the design as providing a clear walkway and clear aisles underneath, with the track extrusion manufactured of heavy-duty aluminium, and publishes a load capacity of up to 1,200 pounds per unit. Kits include the track sections needed for assembled lengths from 8 to 24 feet; posts and shelves are quoted separately.

Floor track is the retrofit: skates under the existing posts, v-track on the floor, published at up to 1,500 pounds per unit. It is quicker to add to shelving you already own, and it puts a low rail across the aisle. Covered on the sliding track systems page.

In practice: choose overhead where the floor must stay clear for wet cleaning, floor scrubbers or heavy cart traffic, and choose floor track where the shelving already exists and the change has to be reversible.

Front view of an overhead track shelving system with an open access aisle

Published track, brackets and rollers

From the manufacturer’s current wire literature. Note that their live web category for this family was not reachable when this page was written, so everything below comes from the dated printed literature and we re-confirm availability, current model list and lead time with them on every quote.

Model What it is Published ship weight
TK-2 One track section, 2 feet 7 lbs
TK-26 One track section, 2-1/2 feet 9 lbs
TK-5 One track section, 5 feet 17 lbs
TK-6 One track section, 6 feet 21 lbs
TK-7 One track section, 7 feet 24 lbs
TK-EP Track end plates with hardware, set of 4 1 lb
TK-CA Track connector with hardware, set of 4 6 lbs
TK-STB18 / 21 / 24 Single sided track bracket pair, 18″ / 21″ / 24″ 4 / 5 / 6 lbs
TK-DTB18 / 21 / 24 Double sided track bracket pair, 18″ / 21″ / 24″ 4 / 5 / 6 lbs
TK-CBW Set of 4 track rollers for a mobile unit 2 lbs
How the parts go together. Track sections are joined with connectors and closed off with end plates to make the assembled length. Single sided brackets carry the track at the end units; double sided brackets carry it at intermediate units. Each mobile unit gets a set of four track rollers. Bracket size follows the shelf depth, which is why the published brackets come in 18, 21 and 24 inch versions.
Wire shelving unit suspended from a single sided overhead track bracketEnd unit, single sided bracketThe stationary units at each end of the bank carry the rail on single sided brackets.
Intermediate shelving unit hung from a double sided overhead track bracketIntermediate, double sided bracketWhere the rail continues past a unit, a double sided bracket pair carries it in both directions.
Mobile shelving unit on overhead track rollers with a clear floor beneathMobile unit on rollersFour track rollers per moving unit. The manufacturer publishes 5 by 1-1/4 inch rigid thermoplastic resin casters in this family.

What it does to the floor plan, worked out

The figures below are arithmetic from the stated example only. No published percentage from any source is repeated here, and your room will produce different numbers.

The example. A store room 20 feet (240 inches) deep in the direction the runs travel, 18 inch deep shelving units, and a 36 inch working aisle.

  • Stationary today. Each run needs its own aisle: 18 in of shelving + 36 in of aisle = 54 in per run. 240 ÷ 54 = 4.4, so 4 runs.
  • On overhead track. One aisle serves the bank: 240 − 36 = 204 in of usable depth. 204 ÷ 18 = 11.3, so 11 runs.
  • The result for this room. 11 runs where 4 fit before, in the same floor area. Change the unit depth to 24 in and it is (240 − 36) ÷ 24 = 8 runs; widen the aisle to 42 in and 18 in units give (240 − 42) ÷ 18 = 11 runs still.
  • Linear feet, if that is the unit you think in. Eleven 48 in long runs = 11 × 4 ft = 44 linear feet of shelving per level, against 16 linear feet stationary, on the same footprint.
Aisle width is whatever your team specifies for carts, doors and equipment; we design to the criteria your team provides and interpret no code or standard on your behalf. Estimated figures only. Quantities, footprints and capacities we produce during planning are estimates for discussion. Final specifications and dimensions are confirmed on the quote and field-verified before installation.

The High-Density Storage Calculator does this on your dimensions in the browser, and the space savings guide compares stationary, mobile and track approaches with the same arithmetic.

Planning an overhead track bank

1Check what is aboveSprinkler heads, lighting, ductwork, cable tray and ceiling height all decide whether the rail can go where the layout wants it.
2Fix the bank lengthKits are published for assembled lengths from 8 to 24 feet. The bank length, not the room length, sets the track schedule.
3Choose the unit depthBracket depth follows shelf depth – 18, 21 or 24 inches are published – so the depth decision comes before the bracket count.
4Set the aisleOne aisle serves the bank. Its width is your team’s call and it drives the whole space calculation.
5Confirm the loadsCompare the real load per run with the manufacturer’s published 1,200 pound per unit figure, evenly distributed, with a margin.
6Quote and installTrack sections, connectors, end plates, bracket pairs, roller sets, posts and shelves as line items, with freight and an install plan.

Posts and shelves are quoted separately from the track kit, which is useful: you can specify chrome, epoxy or stainless wire, or solid shelves, on the same track system. See healthcare shelving for the shelf and finish options.

Where it works in a hospital

  • Bulk supply rooms. Case-quantity stock picked in batches, where a shared aisle costs nothing and density is worth a great deal.
  • Rooms cleaned wet. A clear floor is easier to mop or scrub than a floor with a rail across it, which is the usual reason to choose overhead.
  • Rooms with heavy cart traffic. Nothing crosses the aisle for a cart wheel or a wheeled bin to catch.
  • Archive and low-turnover storage. Records, implants held on consignment, seasonal and disaster stock – anything that is stored more than picked.

See what your room would hold

The High-Density Storage Calculator runs the arithmetic above on your dimensions and shows the working. Send us the output and we will come back with track sections, bracket pairs, roller sets and quantities.

Overhead track shelving FAQ

How long can one bank be?
The manufacturer publishes kits that include the track sections needed for assembled lengths from 8 to 24 feet, built up from 2, 2-1/2, 5, 6 and 7 foot sections with connectors and end plates. Longer rooms are handled as more than one bank, which also gives you a second access point.
How much does a unit carry?
Up to 1,200 pounds per unit is the manufacturer’s published figure for this family, for an evenly distributed load. We compare that with what the run really carries and leave headroom rather than designing to the published limit.
Do the shelves and posts come with it?
No. The manufacturer states that shelves and posts are sold separately from the track kits, so the shelving specification is a separate set of line items on the quote. That is an advantage when you want a particular finish or shelf type.
Is the floor completely clear?
That is the design intent of this family – the manufacturer describes it as providing a clear walkway and clear aisles underneath. It is the main reason people choose overhead over floor track in rooms that get wet-cleaned or take heavy cart traffic.
What has to be checked in the ceiling?
Everything above the bank: sprinkler heads, light fittings, ductwork and cable tray, plus the available height. That check happens before we quote, and your own facilities and life-safety teams set the criteria we design to.
Can an existing room be converted?
Often, but it is a bigger change than floor track because the rail has to be supported and the bank has to be planned as a whole. If the shelving is already in place and the change needs to be reversible, floor track is usually the better answer.

Get an overhead track shelving quote

Send the room dimensions, the ceiling constraints and the aisle width your team needs. You get a layout, the track and bracket schedule with quantities, freight and lead time at no charge.