Trampolines are a fun way to get cardiovascular exercise. Placing a trampoline in the ground allows you to keep the trampoline from interfering with the look of your back yard yet still have the equipment available for exercise. Beyond making the trampoline unobtrusive, the lowered stance of an in-ground trampoline decreases the distance you would fall should you lose your balance. One downfall to installing an in-ground trampoline is the higher cost involved with excavating the pit in your yard.
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Things you need
- Wooden stake
- 3-pound sledgehammer
- Tape measure
- Spray paint can with inverted spray tip
- 3/16-inch nylon rope
- Rented backhoe or landscaping contractor
- In-ground style trampoline
Drive a wooden stake in the ground at the centre of the location you would like to install an in-ground trampoline with a 3-pound sledgehammer.
Hook the end of a tape measure onto the wooden stake. Pull the tape measure half the diameter of the trampoline plus 6 inches. Place a mark on the ground with a can of spray paint with an inverted spray tip.
Tie a loop around one end of a length of 3/16-inch nylon rope. Slide the loop over the wooden stake. Pull the rope out from the wooden stake to the mark you made with the spray paint. Tie another loop to set the rope to the distance between the wooden stake and the paint mark.
Slide the paint can into the second loop with the inverted spray tip facing toward the ground. Pull the rope tight. Walk in a circle with the rope tight as you spray-paint on the ground, marking the hole needed for the in-ground trampoline.
Remove the rope from the wooden stake and pull the stake from the ground.
Rent a backhoe or hire a landscaping contractor to dig the hole to a depth of 27 inches or the depth specified by your in-ground trampoline installation instructions.
Set the parts of your in-ground trampoline around the completed hole.
Assemble the in-ground trampoline in the hole per the manufacturer's assembly instructions.
Backfill the hole with dirt with a rented backhoe or a hired landscaping contractor until the dirt rests slightly below the top mat of the trampoline.
Tips and warnings
- Do not close off the air space between the trampoline mat and the ground. This will hinder the ability of the trampoline mat to bounce.
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