Why Is My Trampoline Net Sagging? And How to Fix It

A trampoline enclosure net is supposed to keep jumpers safely inside the bouncing area. When that net starts drooping, stretching, or pulling away from its attachment points, the protection it offers drops significantly. A loose trampoline enclosure is more than an eyesore. Gaps and sag points create openings where a child can slip through or get tangled, turning a safety feature into a hazard.

The good news is that trampoline net sagging is usually fixable once you identify the cause. Below, you'll find the most common reasons nets lose tension, step-by-step solutions for each, and guidance on when repair makes sense versus when a full replacement is the smarter move.

What Causes a Trampoline Net to Sag?

Several factors contribute to a net losing its shape, and more than one can be at work simultaneously.

UV Degradation Over Time

Polyethylene netting breaks down under prolonged UV exposure. A net that felt taut when installed can become noticeably loose after one or two seasons of full sun.

Bent or Broken Support Poles

The poles holding the enclosure upright are the net's structural backbone. Rigid metal poles can bend from wind storms, heavy snowfall, or kids jumping into the net repeatedly. Once a pole bends, the net loses its anchor at that location and sags between the remaining poles.

Stretched or Worn Attachment Points

Nets connect to the frame through ties, straps, clips, or hooks. Springfree net band is part of the net, with no additional attachments used. Rods insert through the net band. Straps stretch, clips crack, and ties loosen, all allowing the net to pull away and droop.

Incorrect Installation

A net installed with uneven tension from the start will sag in specific spots almost immediately. Skipped attachment points or improperly seated poles are common culprits, especially when homeowners rush through assembly without following the manufacturer's instructions precisely.

Overuse and Impact Wear

Repeated contact from jumpers leaning, falling, or intentionally crashing into the net stretches the material at those impact zones. Over time, the netting fibers in high-contact areas lose their ability to bounce back to their original tension. However, with Springfree, this is a problem that you do not need to worry about. Our nets are, in fact, great for catching wayward jumpers.

How to Fix Trampoline Net Issues: Step by Step

Once you've identified the cause, the fix is usually straightforward.

Tighten Loose Attachments

Knowing how to tighten a trampoline net starts with the simplest fix. Walk around the trampoline and check every attachment point where the net connects to the poles and frame. Re-tie any loose knots, tighten straps, and replace cracked clips or broken hooks. Sometimes a sagging net just needs its connections snugged up, and this alone restores proper tension.

Straighten or Replace Bent Poles

If the net on a traditional trampoline has gradually stretched and the attachment hardware is still solid, repositioning the net slightly higher on the poles can take up the slack. Secure the net at the new height and check that the tension is even around the full perimeter. Springfree's FlexiNet enclosure works differently, using flexible rods instead of rigid poles, so repositioning isn't necessary. The UV-stabilized mesh is built to resist stretching and sagging; if the net does show signs of wear over time, Springfree's 10-year warranty covers every component. 

Reposition the Net Higher on the Poles

If the net has gradually stretched and the attachment hardware is still solid, repositioning the net slightly higher on the poles can take up the slack. Secure the net at the new height and check that the tension is even around the full perimeter.

Patch Small Tears Before Expansion

A small tear near an attachment point weakens that section and allows the surrounding net to sag under load. Catching and repairing tears early prevents them from widening. Heavy-duty UV-resistant thread and an upholstery needle work well for hand-stitching small holes closed. Springfree offers trampolines with "Patented UV-stabilized FlexiNet is built using a lockstitch knitting method with a “non-rip” weave. It is the strongest enclosure net you will find on a trampoline." Zigzag back and forth across the tear at half-inch intervals for a durable trampoline net repair.

Replace the Net Entirely

If the netting is brittle, faded, or torn in multiple places, patching won't solve the problem. Most nets last two to four years, depending on UV exposure and usage. When ordering a replacement, match the net to your trampoline's exact make, model, and pole configuration. However, note that Springfree Trampolines are made from superior quality materials and built to last. They come with a warranty of 10 years.

How to Prevent Net Sagging

Monthly Inspections

Check the net, poles, and attachment points once a month. Look for fraying, loose ties, and pole bending. Catching problems early keeps the enclosure secure.

Use a Weather Cover

A trampoline cover shields the net from UV rays when not in use. Pull down the net for the cover to be used. Since UV degradation is the leading cause of net deterioration, a cover is the highest-impact preventive step.

Remove the Net in Severe Weather

High winds and heavy snow strain enclosure poles and netting. Removing the net temporarily before a major storm prevents the sudden damage that's hardest to repair. However, the net cannot be removed without essentially disassembling the trampoline in full. Springfree also offers a wide range of trampoline sizes, including Mini, Compact, Medium, Large, and Jumbo, and multiple shapes, including round, oval, and square, so it's easy to find the right fit for your backyard. 

Why Springfree's Enclosure Doesn't Sag

Most trampoline net sagging traces back to a design flaw: rigid metal poles and stretched netting weren't built to absorb repeated impact. Springfree Trampoline® took a different approach.

The FlexiNet® enclosure uses flexible composite rods instead of rigid poles. When a jumper contacts the net, the rods flex and absorb the force rather than transferring the load to the netting material. The net and rods work as a single system that redirects jumpers toward the center without bending, breaking, or creating sag points.

Springfree's enclosure rods are made from the same composite material used in Boeing® aircraft, tested to millions of bounce cycles. The net is UV-resistant at twice the industry standard, resisting the fiber breakdown that causes conventional nets to stretch after a season.

With a free 10-year warranty covering every component, models like the Medium Round Trampoline and the Large Oval Trampoline offer a zero-maintenance enclosure that stays taut for years. If a part is ever needed, the Spare Parts page has exact replacements.

Frequently Asked Questions

Why is my trampoline net sagging on one side?

A sag on one side usually means a bent pole, a broken attachment clip, or uneven tension at that section. Check the pole for bending and retighten or replace the connectors at that location.

Can I use zip ties to fix a sagging trampoline net?

Zip ties can serve as a temporary hold, but are not a long-term fix. UV exposure weakens plastic zip ties quickly, and they lack the flexibility needed to absorb repeated impact safely.

How often should I replace a trampoline net?

Most standard trampoline nets last two to four years with regular use. Replace sooner if the material feels brittle, has visible UV fading, or shows multiple tears.

Is a sagging trampoline net dangerous?

Yes. A loose trampoline enclosure creates gaps where a jumper can slip through or get entangled. A sagging net should be tightened, repaired, or replaced before anyone jumps.

How do I know if my net needs repair or full replacement?

Tighten attachments and patch isolated tears first. If the netting material itself is brittle or faded throughout, or if the net continues to sag after tightening, a full replacement is the safer choice. Springfree Trampoline offers spare parts to help keep your trampoline performing its best. Visit our Spare Parts page to find the part you need. Need additional assistance? Call +1 (877) 586-7723 or chat with a member of our Springfree Customer Care team, we're happy to help. https://www.springfreetrampoline.com/pages/spare-parts https://www.springfreetrampoline.com/pages/contact-us 

Can I tighten a trampoline net without tools?

Minor adjustments like retying straps or repositioning the net on the poles can often be done by hand. Replacing poles or hardware usually requires basic tools like a wrench or pliers.

Still have questions? If you have any questions about your Springfree Trampoline, our Customer Care team is happy to help. Visit our Contact page to get in touch.