October 16, 2026 · Indumor
Guard: a sacrificial steel element placed between an industrial vehicle and something more valuable — a column, a rack, a machine, a person. Its job is to deform or break so the other thing does not.
Theory says a plant with forklifts should have a traffic study, marked lanes and protection sized by impact energy. The shop floor — meaning what we see when we get called — says otherwise: columns with bite marks at exactly fork height, leaning racks tied with strapping, and the immortal phrase "nothing ever happens here" spoken next to a column that clearly disagrees.
This guide brings both together: what to protect, with what, and the mistakes that void the whole investment. It runs long because the subject deserves it: a 3-ton forklift at 6 mph carries more energy than most of the loads used to size handrails, and no plant is exempt.
Theory: the column is the most critical structural element; a severe hit at the base can compromise buckling and, in chain, the whole roof. Shop floor: it is the most common hit there is, because columns live exactly where forklifts turn.
The right protection is an independent perimeter guard — a frame of profiles or structural tube anchored to the floor, standing a few centimeters off the column, absorbing the hit without transmitting it. IMPORTANT: a guard is never welded or bolted to the column it protects. A guard rigidly attached to the column protects nothing: it transmits. Sounds obvious. We see it done wrong all the time.
Theory: racking carries tons on thin cold-formed uprights optimized to the limit; a struck upright loses a large share of its capacity even when the dent looks minor. Shop floor: most studied rack collapses trace back to an upright hit weeks or months earlier.
Protection: individual upright guards on every aisle-exposed foot (16 in minimum height) and end-of-aisle guards — those corners are the turning zone, the most-hit spot in any warehouse. Best in yellow, solid, floor-bolted: if a hit shifts them, they are replaced in minutes.
The struck industrial door is an expensive classic: bent tracks, a leaf that will not close, logistics stopped. Two bollards flanking the opening — filled structural tube or heavy profile on anchored base plates — cost a fraction of the first door repair. Same goes for cold room frames, scales and any opening a loaded vehicle passes through.
Theory: separating people from machines is the basic safety principle in vehicle plants. Shop floor: a yellow line painted on the floor does not stop a forklift; an impact-rated pedestrian barrier does.
Pedestrian impact barriers are more robust than a standard-height handrail: heavier posts, engineered anchors and, where high loads travel, a top rail that also catches whatever might topple. At crossings, self-closing gates force the pedestrian to look before stepping out.
Three guard philosophies, and all three have their place. Rigid (thick filled tube, massive anchoring) does not move: ideal in front of columns and critical equipment, but punishes the vehicle. Energy-absorbing deforms to protect the load and the driver, and gets replaced after the hit. Bolt-down replaceable is the practical middle ground: a standardized part, bolted, swapped in an hour with a spare on the shelf. In our experience most plants do well with rigid at columns and doors, replaceable at racks and corners.
A guard without anchors, or anchored with light plugs in poor concrete: it flies with the first hit. A guard too low: the forks pass over it. A guard touching the protected element: it transmits instead of absorbing. And the organizational one: not replacing a struck guard — a deformed guard has spent its capacity and is now scenery.
An honest walk through your plant looking at column bases, rack feet and door frames tells you where you stand in an hour. If the bites are already visible, that map of dents is literally the drawing of where the guards go: the forklift already voted. With that in hand, any serious shop — ours at Indumor included — can size and fabricate the right protection.
We survey the traffic and quote the missing guards.
© Indumor 2010–2026 — Industrial steel fabrication, Córdoba, Argentina
