Jumpzylla assembly
The moment you start building it, you own it. Inspect everything first.
Jumpzylla can only be returned in its original packaging, and once assembly begins it cannot be returned unless there is a defect. On a value trampoline where quality is a coin-flip, that makes the inspection before you build the most important step of all.
A value trampoline, and what that actually means
Jumpzylla sits below the premium brands: a conventional coil-spring trampoline, ASTM certified, with ninety-six springs, weight limits up to 450 pounds on the larger sizes, and a price that undercuts the likes of ACON considerably. Plenty of families are happy with theirs, and Jumpzylla’s customer service and cheap replacement parts get genuine praise.
It is also a value product, which means quality control is not guaranteed. Some units arrive perfect. Others arrive with a bent frame tube, poles that will later snap, or a mat with almost no bounce. The difference between a good experience and a bad one is very often decided in the box, before you build.
And that matters more here than on most trampolines, because of one line in Jumpzylla’s own return policy.
The build
A conventional coil-spring assembly, tools included.
| Model | Time | People |
|---|---|---|
| Jumpzylla’s claimOptimistic, as ever, but not wildly so. | 60 to 90 min | 1 to 2 |
| Realistic (12 to 14ft)Owners broadly agree on about two hours. | 2 to 3 hours | 2 |
| The 96 springsIncluded spring tool. Work in a balanced cross-pattern. | the sweaty part | 2 |
| The enclosure netThe make-or-break step. See below. | the finicky part | 1 to 2 |
| AnchoringFour galvanised stakes and straps ARE included, unlike some brands. | 15 min | 1 |
Owners repeatedly note the printed instructions and the video differ from each other. Follow the video, and pause it, because it moves quickly through steps that are actually several.
What to know, and the one to do first
Inspect every part before you build, because after that you own it
The most important thing on this page, and it is in Jumpzylla’s own policy. A trampoline can only be returned in its original packaging, and once assembly has begun it cannot be returned unless there is a manufacturing defect. In practice, once you have started threading springs, taking it apart and reboxing it to ship back is so miserable that owners simply give up and keep a unit they are unhappy with. So before the first spring goes on, lay every part out, check the frame tubes are straight, check the mat and net for flaws, and count everything. A bent tube found in the box is a replacement. A bent tube found halfway through the build is a trampoline you are now stuck with.
The net is the safety feature AND the hardest step. Get it right.
Jumpzylla’s big safety selling point is that the net attaches directly to the jump mat rather than the frame, which removes the gap a child could otherwise slip through. It is a genuinely safer design. It is also, by owner accounts, the fiddliest part to install, and if you get it wrong you reintroduce exactly the gap it exists to eliminate, one owner reported a gap between the mat, net and spring cover after assembly. This is the step where the whole safety case lives. Take your time, follow the video, and make sure the net meets the mat with no gap when you are done.
Attach the springs in a balanced cross-pattern
As with any coil trampoline, do not work around the ring in order. Hook one spring, then the one directly opposite, then quarter round, and keep subdividing, so the mat is pulled evenly toward the frame from all sides. Going around sequentially over-tensions one side and leaves the last springs almost impossible to stretch on. The spring tool is in the box, and a second person holding the mat steady makes it much easier.
Level ground, never a slope
Jumpzylla’s own siting advice is good and worth heeding. Set it on firm, level ground, ideally short grass or dirt so the legs sink slightly and grip. Never install on a slope, because uneven ground makes the frame flex unevenly under jumping, which stresses the joints and can buckle the frame or tear the mat. Leave a clear safe zone of at least six feet all around, away from fences, trees and structures.
Anchor it, and the stakes are included
Unlike some premium brands that sell anchoring separately, Jumpzylla include four galvanised steel stakes and tension straps. Use them. A trampoline is a large, light, wind-catching object, and the mat-mounted net makes it even more of a sail. Owners in windy or hurricane-prone areas specifically value that the net clips off for storms, take advantage of that when weather threatens.
Know it is a one-year warranty on a value build
The warranty is one year, shorter than the premium brands’ five or ten. Replacement parts are cheap and easy to get, which owners appreciate, but plan on treating this as a trampoline you maintain and repair rather than one that is guaranteed for a decade. Inspecting the springs, mat and frame each season is what gets you the eight-to-ten-year life Jumpzylla quote.
Before you build
Open every box and inspect everything the day it arrives, while it is still returnable. This is the single most important thing you can do with a Jumpzylla.
Pick firm, level ground with a six-foot clear zone all round, and never a slope.
Watch Jumpzylla’s assembly video for your size, and be ready to pause it, since it differs from the printed instructions.
Have a second person for the springs and the net.
And plan to use the included stakes, especially if your yard catches wind.
Where an installer helps most
By inspecting the parts properly before anything is built, which on this trampoline is the difference between a returnable defect and a problem you are stuck with.
By installing the mat-mounted net correctly, so the safety feature you paid for actually works and there is no residual gap.
By tensioning the springs evenly, which is what gives a value trampoline its best possible bounce.
And by siting and anchoring it properly on level ground, which is what prevents the frame flex that shortens these trampolines’ lives. It is a good-value trampoline when it is built and set up well. Most of what goes wrong is a bad unit that was not caught in time, or a net that was rushed.
What an installer does
- Inspects every part on delivery, before assembly, while the unit is still returnable.
- Assembles the frame and legs square, and checks the tubes are straight.
- Tensions the 96 springs in a balanced cross-pattern for the best bounce.
- Installs the mat-mounted net correctly, with no gap between mat, net and pad.
- Sites it on firm, level ground with a proper safe zone, and drives the included anchors.
- Shows you how the net clips off for storms, and what to inspect each season.
Get it built by someone who has built one before.
Tell us your ZIP and what you bought. Installers near you will quote you directly, and you deal with them, not with us.
Questions people ask
Can I return a Jumpzylla if I do not like it?
Only in its original packaging, and only before you start assembling it. Jumpzylla state that once assembly has begun, the trampoline cannot be returned unless there is a manufacturing defect. In practice that means the return window effectively closes the moment you begin building, so inspect everything thoroughly first.
Why is there a gap between the net and the mat after I built it?
Almost certainly because the mat-mounted net was not installed quite right. Jumpzylla’s net attaches to the jump mat rather than the frame specifically to remove that gap, so if a gap remains, the net needs re-seating. It is the fiddliest step and the most important one, because the gap is exactly the hazard the design exists to prevent.
How long does assembly take?
Jumpzylla claim sixty to ninety minutes; two to three hours with two people is more realistic for a mid-to-large size. The springs and the net are the time-consuming parts. All the tools you need, including a spring tool, come in the box.
Is it any good compared to the premium brands?
It is a value trampoline. When you get a good unit and build it well, owners are happy, and it is ASTM certified with a solid weight limit and cheap replacement parts. The trade-offs are a one-year warranty and inconsistent quality control, which is why inspecting the unit before you commit to building matters so much.
Does it come with anchors?
Yes. Jumpzylla include four galvanised steel stakes and tension straps, which not every brand does. Use them, because a trampoline catches a lot of wind, and the net clips off for storms if you need to reduce that further.
Installers.org is not affiliated with, endorsed by, or sponsored by Jumpzylla. Jumpzylla is a trademark of its owner, referred to here only to describe the assembly services that independent installers on this directory provide.