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By Pompey | 28 December 2021 | 0 Comments

How to Fix An Office Chair That Won’t Stay Up: 5 Best Solutions

When working in optimal working circumstances, office chairs make things easier at your desk by providing the right height and comfort. It's a tremendous letdown when they break down and can't remain afloat, especially if they continue to sink. Fortunately, there are simple fixes for an office chair that keeps sinking or won't elevate.
A sinking chair can be repaired by changing the gas cylinder, using a Chair Saver Kit, a plastic spacer (or PVC pipe), or a hose clamp (or a jubilee clip), and duct tape. Instead of purchasing an office chair replacement, these do-it-yourself procedures will restore complete functionality to your chair.
Before you throw out your office chair, try one of these remedies to get it back in working order. They are efficient since they take only a few minutes to apply and are inexpensive, too.

What's Inside an Office Chair's Pneumatic Cylinder?

To repair your chair without spending more money, you need first figure out how a pneumatic cylinder works. The cylinder, as the name implies, uses tremendous air pressure to alter its height.
With that amount of air pressure, the cylinder includes a control valve that operates every time you raise or reduce the height. Because of the sealing, the air pressure is maintained and efficiently performs its function. When you apply a weight, the air-tight sealing stops the pneumatic cylinder from leaking air pressure. In a nutshell, chair sinking occurs as a result of air pressure leaks caused by improper sealing.
As a result, you can identify gas lift cylinder classes in the market because they are categorised based on sealing quality and other construction aspects. The majority of the greatest office chairs have a class 4 gas cylinder, which is a superb cylinder class but occasionally fails.
To be honest, you can't alter the cylinder sealing since it might explode due to air pressure and cause harm. As a result, the two most well-known chair pneumatic cylinder repairs or hacks charge-in to remove vexing chair sinking issues. Let’s watch out for how to remedy office chair lift using these ways.

What Causes an Office Chair Keeps Sinking?

To understand why your office chair has suddenly stopped reaching and maintaining a set height, we must first understand how it moves up and down using the small knob and levers under the seat.
A gas lift cylinder is a piston mechanism with a nitrogen gas-filled chamber. To raise the chair, air flows into the chamber and is squeezed there due to an airtight seal. The gear lever then locks the seat height. To lower it, air is discharged from the chamber below and forced to flow slightly above the piston. The lever is used once again to secure the appropriate height.
A chair continues to sink because the seal inside the gas cylinder weakens and allows the nitrogen gas to escape. The cylinder can no longer support the weight of the chair, with or without additional weight, and will thus enable the chair to fall to the bottom no matter how far you put it.

Is It Possible to Fix a Sinking Office Chair?

Fortunately, a sinking chair can be repaired. There are various do-it-yourself methods you may attempt if your computer chair won't stay up.
When attempting a do-it-yourself remedy, keep in mind that it may not work in the most extreme circumstances. You should, however, make an attempt and see whether it benefits you.

How to Fix an Office Chair That Won’t Stay up: 5 Best Solutions

1. Replace the Gas Cylinder


If you require the office chair to operate and feel the same way it did before the sinking, you should replace the gas cylinder. The gas cylinder for office chairs is frequently a standard fit, with several chairs utilizing the same cylinder. When done correctly and with a high-quality gas cylinder, your chair will last at least another 6 years.
To be safe, bring the brand name of your specific office chair to the store to determine the correct gas cylinder to purchase. Otherwise, finding a standard fit isn't a problem because most suppliers provide a refund or replacement if yours doesn't fit. The technique for changing the gas cylinder (described here) is straightforward and involves replacing the section of the chair from the base of the seat to the middle of the base.

2. Use a Hose Clamp or a Jubilee Clip

A hose clamp is a traditional remedy for a sinking chair. Also known as a jubilee clip. These are typically used to create a seal by securing hoses to pipes. You've undoubtedly seen them in automobiles and plumbing. Duct tape and a screwdriver are also required.
Set the chair to the desired height, then hold it and wrap some duct tape across the topmost section of the gas lift cylinder. Then, insert the clamp and tighten the hose clamp using the connected screw. Now comes the decisive time. Sit in it and put it through its paces. Finally, enjoy your seat at the right height and bid farewell to your sinking desk chair. You've just learnt how to mend a sagging office chair.

3. Use A PVC Pipe


A PVC pipe is roughly the same size as the cylinder on your chair but a little broader. A tape measure, a saw to cut the PVC, and a vice are also required.
You're ready to start when you have a PVC pipe with a little bigger diameter that fits the height of your chair's cylinder. The plastic will be slipped over the top of the office chair cylinder. When the chair is adjusted at the desired height, it should be long enough to cover the cylinder from the seat to the wheel base.
Place the PVC pipe in a vice and use your saw to cut it down the length on one side. Then, to attach it, just insert the side with the slit around the cylinder. The pipe is supposed to hold the chair in place and prevent the ergonomic chair from falling lower. Some individuals have difficulty putting the pipe onto the cylinder; if this is the case, I propose cutting it into shorter sections and starting over.
If necessary, the PVC pipe approach allows you to quickly alter the height by adding or removing some pipe.
If you want an even simpler option, consider the well-known chair saver kit. Remember that the ideal office stability chair might be the difference between a slouched back and an active, engaged core to boost alertness and attention on activities.

4. Utilize a Chair Riser


A chair riser is a series of buttons that you attach to the bottom portion of the chair's legs to raise it. Depending on the design of your furniture's legs, they might be round or another shape. Most chair risers are attached to the legs by screwing them on or by inserting the chair's legs into the grooves in the risers.
A chair that is the improper height is a huge hindrance to your productivity and should be addressed as soon as possible. Instead of replacing the entire chair, the procedures described here can be used.

5. Install a Chair Saver Kit

The Chair Saver Kit is a low-cost alternative to a gas cylinder that can quickly restore your chair to working order. It is a set of rings that are snapped onto the piston of the present gas cylinder lift. You may elevate the seat this way, and the rings will hold it in place at the chosen height.
They are inexpensive to purchase and come with a 5-year warranty, which is a significant vote of confidence from the manufacturer. Because they have a universal fit, it's best to get a large quantity for when you'll need them.
The nice news about this kit is that you can always replace a ring on the chair if one breaks or you need a different height. Even better, you don't have to disassemble the chair all at once.


You always feel hopeful when you discover how to fix an office chair that won't stay up. You'd want to believe that you don't require a new chair. However, in order to make it happen, you must invest time attempting to modify your sitting position and being prepared in case it does not work.

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