Advancing sprung gym flooring

for gymnastics performance

Explore how Lesjöfors engineered precision coil springs to improve performance, durability, and energy return in sprung gym flooring.

Gymnast performing an inverted handstand on a blue gymnastics floor inside a training gym.

Project overview: enhancing Tumbl Trak’s sprung flooring

When watching a gymnast flip, tumble, twist, and land with precision, it’s easy to overlook the engineered system working beneath the surface. Under the mat sits a carefully configured web of sprung floor springs, designed to absorb impact, control rebound, and support the needs of the gymnast.

Working with Tumbl Trak, an international gymnastics equipment specialist, Lesjöfors developed a high-quality spring solution for sprung gym flooring – engineered to optimize athletic performance while meeting the sport’s strict safety requirements.

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Design criteria for Tumbl Trak’s sprung floor springs

What was the brief?

As gymnasts continue to push the limits of performance, the equipment beneath them must keep pace. Tumbl Trak asked us to develop a high-quality spring to enhance athlete performance on their sprung gym flooring.

What makes the project special?

Gymnastics flooring has undergone various improvements over the years, with each development focused on increasing performance while maintaining the highest safety standards. Knowing that our springs form the foundation for future Olympians meant the solution had to deliver consistent and reliable results.

What did Lesjöfors do?
Material selection, design, and layout are critical to the performance of sprung gym flooring. Using premium materials and precise engineering, we delivered a spring design that enabled Tumbl Trak to supply gymnasts and clubs with high-quality training equipment – supporting their ‘Train smart’ philosophy and long-term enjoyment of the sport.

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What our clients say

Pushing the boundaries of what's possible

"As gymnasts push the boundaries of what is humanly possible, it is essential that the equipment they use develops and evolves with them. The gymnastics floor area has seen numerous improvements and adaptations over the years, all with the aim of increasing performance while keeping the gymnast as safe as possible. Spring material choice, design and layout are essential components in the making of a floor area, and using the best quality materials is of the utmost importance."

Andreas Adams, Assistant Director of Tumbl Trak UK Ltd

Close-up of steel coil springs used within a sprung gym flooring system.

Manufacturing sprung floor springs

Due to the size and material requirements of the compression spring design, the sprung floor springs were manufactured using advanced cold coiling, followed by heat treatment to enhance strength and fatigue performance. To meet installation requirements within the floor mats, each spring end was also precision-ground to a defined specification, ensuring consistent placement.

Material selection was critical to the success of the project. The design required a carbon steel grade capable of delivering the necessary strength and durability under repetitive loading in high-pressure environments. This carbon spring steel also supports hardening treatments, providing a robust and cost-efficient solution aligned with customer expectations.

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A female gymnast performing a one-armed handstand on the balance beam, wearing a red leotard against a black background

Sprung flooring springs: from design to delivery

From enquiry through to design engineering, material selection, and manufacturing, our teams liaised with Tumbl Trak at every stage to ensure we met their requirements and dispatched on time.

Given the high-volume nature of the order, Tumbl Trak also chose to use our free stock holding facility, allowing them to call off stock as required to support their production planning.

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