Durable No sag springs (also called serpentine or sinuous springs) – the modern upholstery choice for strong, flexible seat and back support. Easy to install and ideal for sofas, chairs, and new furniture builds.
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ZigZag Springs springs, also known as serpentine springs, are continuous lengths of formed steel wire shaped into a zig zag pattern. They’re stretched across furniture frames to provide firm yet flexible support. Unlike traditional Tension Springs, zig zag springs are quicker to install and are widely used in modern upholstery manufacturing.
High-strength steel – reliable performance for seating and backrests.
Continuous support – evenly distributes weight and pressure.
Easy to install – faster than hand-tying traditional springs.
Versatile use – suitable for domestic, commercial, and contract upholstery.
Sofas & armchairs – provides resilient, lasting comfort.
Dining chairs & stools – slim, supportive springing method.
Modern furniture builds – standard in today’s seating.
Contract & hospitality projects – efficient and durable solution.
For the best results, pair zig zag springs with:
Spring End Formers & Clips – to secure springs firmly in place.
Upholstery Tools & Equipment – stretchers, pliers, and hammers for easy fitting.
Upholstery Felts – essential to cover springs before adding fillings.
Foam Cut to Size – for cushioning above your spring unit.
Hair & Fibre Fillings – for a traditional upholstery finish.
Not sure if zig zag springs are the best option? Explore our full range:
Tension Springs – traditional, hand-tied builds.
Double Cone Springs – ideal for antique restoration and 8-way hand-tied upholstery.
Spring Units – pre-assembled modules ready to fit.
Superloop Springs – another continuous spring option, often used for backs.
Material: Hardened spring steel
Type: Zig zag / Serpentine / Sinuous
Use: Seat and back support in upholstered furniture
They’re stretched across sofa and chair frames to provide firm, flexible support. Commonly found in modern furniture, they replace older hand-tied spring methods.
Use spring clips & end formers to secure each end, and a spring stretcher tool to pull them tight. Always cover with upholstery felts before adding foam or fibre.
It depends:
Zigzag springs – fast to install, consistent, used in most modern furniture.
Tension springs – traditional look/feel, used in antique restorations and bespoke builds.
See our tension springs for comparison.
Yes ✅ – lighter gauge zigzag springs are commonly used in chair and sofa backs, while heavier gauge is ideal for seating.
Absolutely. Always cover springs with felts or hessian before adding foam cut to size or hair fibre fillings.
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