Definition: Overlapping plastic strips hung in doorway to reduce air infiltration while allowing easy passage for people, forklifts, and carts.
Benefits:
- Reduces infiltration by 40-70% compared to open doorway
- Low cost (R2,000-15,000 depending on size)
- Easy installation
- No power required
- Allows visibility through doorway
Limitations:
- Wear and tear (strips require replacement every 1-3 years)
- Not as effective as rapid doors (but much cheaper)
- Can be bypassed if not maintained
Best Applications:
- Cold rooms with frequent foot traffic
- Loading dock doors (internal facility)
- Budget-conscious operations
Related Terms: Butchers Curtain, Air Curtain, Rapid Door, Infiltration Load