People who like the look of wooden equipment often ask the same question next. Will it last in a busy commercial space? The honest answer is yes, when it is designed for that use and looked after properly. Wood is not fragile. But it fails in particular ways, and good design is about preventing those.
This article looks at what wears first, what lasts longest, and what an operator can do to keep wooden equipment in service for many years.
Durability is a system, not a material
No single material makes equipment durable. Durability comes from the whole system: the timber, the joints, the steel parts, the finish, the upholstery and the maintenance routine.
The international safety standard for this kind of equipment reflects that. EN ISO 20957-1:2024 sets general safety requirements and test methods for stationary training equipment. Its scope includes equipment used in hotels, clubs, studios and rehabilitation centres, where the owner controls access, as well as domestic equipment. It defines classes for different levels of use. Equipment for commercial rooms needs to be designed for the higher-use class, not for a home.
What lasts longest: the frame
A well-made hardwood frame is usually the longest-lived part of a piece of equipment. Dense hardwoods are stiff and strong for their weight. Published data from The Wood Database list European beech at an elastic modulus of 14.31 GPa and European ash, a timber known for shock resistance, at 12.31 GPa.
The frame lasts when three conditions are met:
- Sections are sized for the loads, with a margin for natural variation in the timber.
- Joints suit the grain. Fixings go into side grain where possible.
- Steel is used where the load path needs it, such as at pivots, axles and concentrated load points.
Round Fit makes its steel parts in-house, tests every piece before it leaves the workshop, and gives a five-year warranty on frames.
What fails first: joints that loosen
When wooden equipment does go wrong, it is usually at the joints. A joint that was tight in the workshop slowly works loose in use.
The US Forest Products Laboratory’s Wood Handbook explains one cause. Fasteners in wood that goes through repeated wetting and drying can lose a large part of their withdrawal resistance, possibly down to 25 per cent of the initial value. The Handbook also notes that joints made with timber that is still drying can loosen as it dries, so bolts may need retightening during the first year.
The practical lessons are clear:
- Timber should be properly dried before it is machined.
- Equipment should be kept in a stable indoor climate.
- Bolted joints should be checked and retightened as part of routine maintenance, especially in the first year.
The parts that are meant to wear
Some parts of equipment are consumables. They are expected to wear and should be designed for easy replacement.
Upholstery. Covers carry body weight, sweat and cleaning every day. A comparison of coated fabrics published by the Chemical Fabrics and Film Association notes that PVC is not subject to hydrolysis to any significant degree, while polyurethane can break down slowly under heat and humidity. Choosing the right cover and replacing it in good time keeps the equipment looking and feeling right.
Springs, ropes and straps. On Pilates apparatus these are working parts under repeated load. They should be inspected regularly and replaced on a schedule, not only when they fail.
Edges and contact points. Handles, rails and the edges of frames receive the most hand contact and knocks. The finish wears there first.
When these parts can be replaced on site, a piece of equipment can be refreshed many times on the same frame.
The finish: protecting the timber
The finish does not make wood waterproof. The Wood Handbook states that finishes cannot change the moisture content wood eventually reaches. They only slow the rate of water entering and leaving.
That slowing is what keeps equipment stable. It gives time to wipe off spills and sweat. It also evens out daily humidity changes. End grain matters most here. The Handbook notes that liquid water enters end grain 10 to 100 times faster than other faces. The feet of frames and the ends of rails need full sealing.
When the finish does wear through, solid hardwood can be sanded back and refinished. That is a real advantage over foiled or laminated boards, which usually have to be replaced once the surface layer is broken.
The environment: humidity and temperature
Wood responds to the room it lives in. The Wood Handbook tabulates how wood settles at different humidities. At around 21 °C, timber reaches about 6 per cent moisture content at 30 per cent relative humidity and about 12 per cent at 65 per cent. Big swings between those conditions cause movement, which stresses joints and finishes.
For most studios and hotel gyms, the indoor climate is stable enough. Rooms that need more care include:
- Gyms next to pools, spas or steam rooms.
- Basements with high summer humidity.
- Rooms with strong direct heat, such as under-floor heating with equipment standing directly on it, or next to radiators.
Telling your maker about these conditions at the design stage leads to better detailing.
A maintenance routine that protects durability
Simple routines make a big difference:
- Daily: wipe surfaces with a damp cloth and a mild cleaner. Do not flood joints.
- Weekly: check bolts, fixings and moving parts. Look for movement in joints.
- Monthly: inspect springs, ropes and straps. Check upholstery for splits and seam wear.
- Yearly: review the finish on high-contact areas. Plan refinishing where it is wearing through.
Installation is carried out through local distribution partners, so there is someone nearby who already knows the equipment.
The short answer
Wooden gym equipment is durable in commercial use when it is designed for commercial loads, built with joints that suit the grain, finished on every face and maintained on a routine. The frame should outlast several sets of upholstery and springs. That is the point. It is built to be kept, not replaced.
To see how we design and test equipment, read how we work, or ask us about your use case.



