Selective pallet racking
Selective pallet racking — A beam rack system where every pallet gets its own level and aisle position, so any unit is retrieved directly without moving its neighbours — the standard against which denser systems are measured.
Drive-in racking
Drive-in racking — A dense beam system without aisles where the forklift drives into the rack depth to put away or withdraw pallets, sharing the storage volume as the access lane at the cost of LIFO-only selectivity.
Pallet beam levels
Pallet beam levels — The pair-and-upright stepping of a heavy-duty rack: each horizontal beam pair is rated to one pallet load, while the upright is rated by the cumulative load across all its levels — so a rating names the beam pair, not the whole rack.
LIFO (last-in, first-out)
LIFO (last-in, first-out) — A retrieval order where the deepest, first-loaded pallet comes out last — the access cost of a single drive-in bay, fine for uniform block-shipped lots and wrong for rotating or perishable stock.
FIFO (first-in, first-out)
FIFO (first-in, first-out) — A retrieval order where the oldest, first-loaded unit is picked first; a gravity flow lane delivers it by construction while a static shelf relies on picker discipline.
Gravity flow lane
Gravity flow lane — A roller track tilted toward the pick side where each unit loaded at the back slides to the front, presenting the oldest stock at the face with no power.
Roller track
Roller track — The carrying surface of a flow rack: a row of free-running rollers on which a loaded unit coasts down the lane's slight slope to the pick face.
Cantilever arm
Cantilever arm — The projecting member of a cantilever rack on which long or irregular stock rests, rated per arm; the whole load rides on one upright spine, so the arm rating is the spec that matters.
Cantilever racking
Cantilever racking — A column-and-arm system without a back face or solid shelves, holding long, bar- or tube-shaped stock on projecting arms so a crane or truck lifts it from the open side.
Upright spine
Upright spine — The single structural column of a cantilever rack that carries the whole load and its moment, which is why it must be a structural member rather than a row of brackets.
Screwless shelving
Screwless shelving — A light-duty shelf rack whose uprights, beams and layer boards key together without fasteners, installing and relocating without tools up to the shear limit of its keyed joints.
Layer board
Layer board — The horizontal shelf surface of manual shelving, carried by beams that clip into the uprights at fixed increments, so one bay can mix deep shelves for boxes and a single shelf for tall items.
Shear limit
Shear limit — The load above which a screwless keyed joint would shear rather than transfer, the point where a bolted medium-duty upright and a per-level rating become the right answer.
Mold drawer
Mold drawer — The pull-out bearing tray of a mold rack that brings a heavy mold straight out under a crane, rated per drawer and matched to the runner weight actually turned.
Mold and die racking
Mold and die racking — Drawer-type racking that parks heavy molds on pull-out drawers so each is inspected and lifted from the open face, in light and heavy classes with an optional top crane for the heaviest runners.
Stacking frame
Stacking frame — A freestanding, collapsible steel unit with a wire or sheet base that stacks directly on the frame below, storing goods in place of fixed racking in rented or low-clearance rooms and folding flat on the return leg.
Pallet
Pallet — A flat, portable platform carrying unitised goods that a forklift or pallet truck lifts from any of its sides, forming the load unit the racking, shelving and trucks handle in common.
Mezzanine racking floor
Mezzanine racking floor — A raised storage deck on a steel key-frame over the ground or an existing rack, doubling shelf area out of dead headroom and served by a lift, conveyor or crane for the added level.
Lift route
Lift route — The loading bay, conveyor or hoist through which a mezzanine's upper level is fed; the added deck earns its density only to the degree this route is cheap and the goods are lift-worthy.
Dip coating
Dip coating — A thicker plastic skin applied to steel wire that resists the scrape and knock a warehouse panel takes across a decade — the coating behind a long rust-life claim, distinct from galvanising the steel below.
Isolating mesh screen
Isolating mesh screen — A self-standing or rail-mounted steel wire panel forming a visible, secure barrier between storage zones, aisles or hazards, dip-coated for a long rust life and re-laid without waste.
Rack deflection
Rack deflection — The sag a loaded beam is allowed under its span and the deflection rule that, with the upright's cumulative load, is what a pallet-beam rating actually sets — never a rating alone, always checked to the site's seismic notes.
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Product figures quoted on other pages are illustrative sample values; the definitions here describe racking conventions, not our measured product data.