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Last updated: April 2026
Loading bays and docks are the most energy-critical openings in any commercial or industrial building. They are large, frequently used, and often left partially or fully open for extended periods. PVC strip curtains at loading bays address the core problems of heat loss, pest entry, weather ingress, and forklift safety.
The Loading Bay Energy Problem
A standard 3m wide × 3m high loading bay opening can represent £1,000–£2,500 in wasted heat per year. A distribution centre with 20 bays could be wasting £20,000–£50,000 annually. PVC strip curtains reduce heat loss at loading bay openings by 60–70%.
Design Considerations
Behind or in Front of the Dock Shelter?
Loading bays with dock shelters should have strip curtains installed inside the building behind the dock leveller opening. This creates a complete thermal envelope: dock shelter outside, strip curtain inside.
Strip Width for Forklift Traffic
300mm strip width minimises contact points between the forklift mast and strips, reducing wear and extending strip life significantly.
Thickness for High-Traffic Bays
For three-shift distribution centres with 50–100 forklift passes per day, 4mm strips are justified. For standard 1-shift warehouses (10–30 passes daily), 3mm is adequate.
Typical Loading Bay Costs and Payback
| Bay Size | Specification | Material Cost | Est. Annual Saving | Payback |
|---|---|---|---|---|
| 2.5m × 2.5m | 200mm × 3mm, swivel hinge | ~£150–£200 | £600–£1,000 | 2–3 months |
| 3m × 3m | 300mm × 3mm, swivel hinge | ~£200–£280 | £900–£1,500 | 2–3 months |
| 4m × 4m | 300mm × 4mm, swivel hinge | ~£320–£420 | £1,400–£2,200 | 2–3 months |
Rail Selection for Loading Bays
Swivel hinge rail is the standard for loading bay applications — strips deflect in the direction of traffic and return to position quickly. Twin track is preferred for cold storage facilities where maximum overlap is more important than transit speed.
Browse our heavy-duty loading bay PVC strip curtains.