9 gauge Zigzag Spring

Description

🌀 9 Gauge Zigzag Springs (No-Sag)

9 gauge zigzag springs, also known as no-sag springs, are widely used in modern upholstery for seat bases. The 9 gauge (3.6mm) wire provides strong, firm support, making these springs ideal for chairs, sofas, and other seating projects.

⚙️ How to Fit Zigzag Springs

These springs should be installed under tension so they sit almost flat, with only a slight arc. Spacing is typically 2–3 inches apart across the frame — the closer the spacing, the firmer the seat will feel. Once fitted, a bracing wire or cord should be attached across the springs to link them together, ensuring even loading and long-lasting performance. If you need to shorten the length of the springs you might an Osborne Spring End Former 

📏 Measuring & Sizing Guide

To measure zigzag springs accurately:

• Press the spring flat

• Measure across the top of the spring (not the arc)
  This ensures you order the correct length for your frame.

✅ Key Benefits

• Heavy-duty 9 gauge (3.6mm) wire for firm seating support

• Commonly used on sofa and chair seat bases

• Easy to fit and secure with standard upholstery tools

• Works with bracing wire/cord to spread weight evenly

Long-lasting performance for both repairs and new builds

🔗 Related Products & Accessories — Serpentine & Zig-Zag Spring Systems

🧩 Complete your serpentine spring setup with compatible upholstery materials and high-quality foam for long-term resilience.

🏠 Visit the Foam4U Homepage for a full range of upholstery supplies, tools, and fixings used by professionals.

🪡 Strengthen seat and back construction with Upholstery Webbing — ideal for creating uniform support when paired with tension springs.

🧽 Finish your furniture build with Foam Cut to Size — offering bespoke comfort and durability for any seating style.

💡 From domestic sofas to commercial seating, Foam4U delivers springs, webbing, and foam solutions that keep furniture strong, supportive, and built to perform.

👉 All prices include VAT.