Build the ultimate
in-ground trampoline kit.
Why All-In-One Kits Are a Mistake.
Buying an expensive, all-in-one "kit" online often means compromising on quality. You typically end up overpaying for a mediocre trampoline bundled with a flimsy plastic or composite retaining wall that warps and collapses under ground pressure.
The secret to a professional, lifelong setup? Buy a high-quality traditional trampoline of your choice, and pair it with our commercial-grade corrugated steel retaining wall. You get a better bounce, a safer yard, and a wall that will literally last a lifetime.
The Rocky Mountain
Retention Kit.
We manufacture the heavy-duty foundation that makes your in-ground trampoline possible. When you order from us, your kit includes everything required to secure your hole perfectly:
Pre-Measured Corrugated Steel
Manufactured to precisely fit your specific 12', 14', 15', or 16' trampoline.
Beveled Safety Edges
Every ring is engineered with safety in mind—absolutely no sharp edges anywhere.
Galvanized 2 oz. Zinc Coating
Industry-leading rust prevention ensures your wall survives decades in the soil.
Hardware & Instructions
Includes all necessary assembly hardware and step-by-step installation instructions.
Ready for a lifetime
of backyard memories?
Or call us directly at 801-668-2525