When to Retire Climbing Rope and Fall-Arrest Gear (and Why Secondhand Life-Support Gear Is Risky)

This one is worth taking seriously, more seriously than almost anything else on this site. Climbing rope, harnesses, karabiners and connectors used for arborist work are life-support equipment. Their entire job is to catch you if something else fails. Buying, selling or continuing to use this category of gear without real certainty about its history is not a minor corner cut, it's a decision that can cost a life, and it deserves more caution than a "looks fine to me" assessment.

The general principles for retiring rope and life-support gear

None of the numbers below are a substitute for the manufacturer's own guidance on the specific product you own, always check that first, these are the broad principles that guidance is generally built around.

Manufacturer inspection and retirement guidance. Follow the instructions for the exact product and material rather than applying one age limit to everything. Textile and plastic PPE may have a fixed maximum life, while metal hardware may have no fixed calendar limit but still require retirement after damage, an exceptional event, failed inspection or uncertain history. Petzl, for example, states a ten-year maximum for plastic and textile products but no fixed lifetime for metal products. A product that has reached its stated limit or any manufacturer retirement criterion should be retired no matter how good it looks.

Inspect before every single use. Not periodically, not "when it looks like it needs it," before every use. This is standard practice across the industry precisely because damage isn't always visible without a close, deliberate check: run rope through your hands feeling for flat spots, stiffness, fuzzing or inconsistent diameter; check stitching on harnesses for cuts, fraying or pulled threads; check hardware for cracks, deformation, corrosion or a gate that doesn't close and lock cleanly every time.

Quarantine after a hard fall or shock-load. Remove the item from service immediately, record what happened, and follow the manufacturer's exceptional-event inspection and retirement instructions. Some products must be retired after that event; others may require a competent-person inspection. If the event history is uncertain or the required inspection cannot establish safety, retire it. "It caught me and looks fine" is not evidence that it is safe to use again.

Retire after any visible damage. Cuts, abrasion through the sheath into the core on rope, deformation or cracking on metal hardware, chemical staining or discolouration suggesting contamination, any of these are retirement triggers on their own, not things to monitor and reassess later.

Watch UV and chemical exposure. Synthetic ropes and webbing degrade from prolonged UV exposure even without visible damage, and contact with chemicals, fuel, oils, some cleaning agents, can weaken fibres in ways that aren't obvious on inspection. Gear stored or regularly used in conditions with heavy sun exposure or chemical contact should be inspected and retired on the cautious end of any lifespan guidance, not the generous end.

Why uncertified secondhand life-support gear is a genuinely serious risk

This is the part worth being blunt about. For almost every other category on this site, buying secondhand is a normal, sensible way to save money on gear that still has useful life in it. Life-support climbing and fall-arrest equipment is the exception, and it's worth understanding exactly why.

You cannot see fatigue, fully see UV or chemical degradation, or see whether a rope or harness has been shock-loaded in the past just by looking at it or handling it. A rope that arrested one serious fall and was quietly retired-in-appearance-only by a previous owner can look, feel and even test superficially fine to a buyer with no way of knowing what it has actually been through. Unlike a chainsaw or a chipper, where a mechanical fault tends to announce itself before it becomes catastrophic, life-support gear can fail without warning at exactly the moment you're relying on it, at height, with nothing else between you and the ground.

This is why full provenance matters so much more here than anywhere else in this trade. Before buying any secondhand harness, rope, karabiner or connector:

• Get the full history from the seller. Age, purchase date, how it's been used and stored, and critically, whether it has ever taken a fall or shock load. A seller who doesn't know, or is vague, is not a seller you can safely buy life-support gear from, regardless of price.
• Check the manufacturer's stated service life against the item's actual age, and retire anything at or past that threshold immediately regardless of appearance.
• Have a competent person inspect it properly before it's ever put into service, not a casual look, a proper inspection against the manufacturer's criteria, ideally by someone qualified to assess climbing and rigging equipment specifically.
• Walk away from anything without clear, verifiable history. A cheap harness or rope with no known history is not a bargain, the cost of being wrong is not measured in dollars.

None of this means secondhand climbing and rigging gear can never be bought or sold responsibly, plenty of professionals do sell on gear that's still well within its service life with a complete, honest history attached. It means the bar for that transaction is a full, verifiable history and a real inspection, not "it looks used but okay."

Selling your own gear responsibly

If you're listing climbing or rigging gear for sale, the single most valuable thing you can put in the ad is honest history: purchase date, approximate hours or days of use, storage conditions, and a clear statement about whether it has ever been shock-loaded or damaged. Buyers who know what they're looking at will pay properly for gear with a documented history, and a listing without that detail should be treated by any buyer as gear with an unknown history, which is a very different, much riskier purchase.

If chainsaw PPE is also on your safety-gear list, our plain-English guide to AS/NZS 4453.3 and chainsaw protective clothing covers the equivalent ground for that category.

Browse climbing and rigging listings, and ask sellers directly about age, history and whether any item has ever taken a load event before you commit to anything life-support related. Selling gear you've retired responsibly and honestly, or gear that's still well within service life with a clean history, list it free and put that history in the description, it is the single thing a careful buyer is looking for.