Service life of textile gear: when to retire ropes, harnesses and slings

"How many years does a rope last?" is the most repeated question and the worst answered, because the honest reply — it depends — sounds like an evasion. It is not: it is that the variable that matters most is not time.

Why there is no universal table

Every manufacturer publishes its own range and that range prevails over any general rule, including the one in this article. The figures that circulate are indicative and vary by model, fibre treatment and intended use.

As an industry reference, textile gear tends to carry maximums of around ten years from the date of manufacture for equipment never used and correctly stored. With use, that figure collapses: a heavily used club harness may be due for retirement in one or two years.

The practical conclusion: time is the ceiling, not the criterion. The criterion is use and condition.

What actually shortens service life

Abrasion. The dominant factor. A hard-working gym rope degrades far faster than an alpine rope that goes out three times a year.

Ultraviolet radiation. Nylon and polyester degrade in light. A rope kept in a car boot with windows, or a sling hung in the sun in the store room, ages without anyone using it.

Moisture and drying cycles. Repeated wetting and drying affects the fibres. Drying in direct sun or near a heat source makes it worse.

Chemicals. This is the one that kills gear silently. Acids are invisible and catastrophic for nylon: a rope that has been in contact with battery acid may show no external sign at all and have lost much of its strength. That is why transport matters — the boot that also carries tools or cleaning products is a real risk.

Hard falls. A high fall factor absorbs energy the rope does not fully recover. It does not always mean automatic retirement, but it does mean recording and inspection.

Immediate retirement criteria

These depend on neither the calendar nor anyone's opinion:

• Known or suspected contact with chemicals, especially acids.
• Visible core at any point on a rope.
• Cuts, burns, or stiff or deformed sections.
• Broken, frayed or unpicked stitching on harnesses and slings.
• A high fall factor, or a load dropped onto the rope.
• Permanent deformation after loading.
• Unknown history.

The record is what makes the decision possible

Notice that almost every criterion above is historical, not visual. "It took a hard fall", "it was in contact with chemicals", "it has done three seasons in the gym": none of that is visible by looking at the rope.

That is why a club with no usage history cannot apply these criteria even knowing them. It can only inspect visually, which is the easy part and the one that catches the fewest problems.

If you keep a loan record, on the other hand, you can answer what matters: how many outings this item has done, who had it when that fall happened, whether it was in the batch that got soaked in October.

A rule that works in clubs

Three states instead of two:

• Pass — stays in normal service.
• Pass with monitoring — something does not quite convince you. The reason is noted and it is checked on every return, not only annually.
• Retired — leaves circulation and is physically disabled. Cutting the rope is the only reliable way of ensuring it does not reappear in a bag two years later.

The middle state is what avoids the two bad decisions: retiring good gear just in case, or keeping in service something that already worried you.

If you want the full framework of who inspects, how often and what gets recorded, it is in the inspection guide.