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PVC strip curtains don't last forever. Understanding when to replace strips and knowing how to do it correctly will keep your curtain performing at its best and avoid the hidden costs of degraded performance.
Average Lifespan by Application
- Light pedestrian, ambient temp, indoor: 4-6 years
- Moderate pedestrian/light goods, indoor: 3-4 years
- Heavy pedestrian/roll cage access: 2-3 years
- Forklift access (standard): 1-2 years
- Forklift access (heavy duty, 4mm): 2-3 years
- Cold room/freezer (polar grade): 2-4 years
- Outdoor UV-exposed: 1-3 years
- Food facility (frequent chemical cleaning): 1-2 years
Signs That Strips Need Replacing
Yellowing or Discolouration
PVC strips gradually yellow as UV light and heat cause plasticisers and UV stabilisers to break down. Moderate yellowing reduces visibility but doesn't necessarily indicate imminent failure. Heavy yellowing — strips have turned deep yellow or brown — indicates significant degradation and replacement is advisable.
Brittleness and Cracking
The most serious sign of PVC degradation. When strips crack or split — particularly at the top near hanging hooks — the structural integrity is compromised. Cracked strips in a food facility or cold room should be replaced immediately to prevent PVC fragment contamination.
Curling and Deformation
Strips that no longer hang straight, curl inward at the bottom, or bow sideways indicate that the PVC's elastic recovery has been lost — typically indicating advanced degradation or permanent deformation from heavy impacts.
Tears and Physical Damage
Tears from forklift contact or cuts should be repaired by replacing the individual affected strips. Do not allow tears to propagate — a small tear grows quickly under repeated flexing.
How to Replace Hook-On Strips
- Identify the strip(s) to be replaced
- Lift the S-hook at the top of the strip upward and out of the slot in the rail — the strip drops free
- Remove the S-hook from the old strip (use a new hook if the old one shows corrosion)
- Thread the S-hook through the punch hole at the top of the new strip
- Hang the new strip by sliding the S-hook back into the rail slot at the appropriate position to maintain correct overlap
Replacement takes less than 2 minutes per strip. The curtain does not need to be taken out of service — strips can be replaced one at a time.
Preventive vs Reactive Replacement
In high-throughput environments, we recommend a preventive replacement schedule — planned annual or biennial replacement of all strips — rather than waiting for strips to fail. For food facilities subject to BRC or HACCP audits, a documented curtain inspection and replacement schedule demonstrates food safety diligence to auditors.
Order replacement hook-on strips cut to any length. Free UK delivery. Most standard grades available for same or next-day despatch.