Feature | Plastic Hinge Strip | Metal Zigzag Spring |
---|---|---|
Weight | Light (easy handling) | Heavy |
Noise | Silent | Can squeak |
Durability | 5–8 years | 10–15 years |
Cost | $1–$3 per meter | $0.50–$2 per meter |
Weatherproof | Yes (no rust) | Rusts if uncoated |
✔ Check tension annually (plastic can stretch over time)
✔ Avoid extreme heat (can warp above 80°C/176°F)
✔ Clean with mild soap (no harsh chemicals)
For indoor sofas: Nylon-reinforced strips (best balance of strength & quietness)
For outdoor furniture: UV-stabilized PP strips
For budget DIY: Standard PP strips