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DIY: Build A Halfpipe In Your Backyard

As a skater, sometimes using existing structures doesn’t create a steep enough incline for you to test your skateboarding skills. If this is the case for you, you can build your own half pipe in your backyard fairly easily provided you the time, tools, materials, and knowledge. Follow these steps to learn how to build your own half pipe.

You will need the following items to build your halfpipe: 8 sheets of 3” plywood, 2” by 4” stock, 10 feet of PVC piping, laminate material of your choice, nails, 1.5” screws, drill with bits, hammer, circular saw, fishing line, tape measure, and pencil and paper,

Step One: Choosing the Location and Size of the Halfpipe
Find a place where you want to put the halfpipe. Based on this location and what you know about the standard sizes of lumber, determine an overall size for your halfpipe.

Step Two: Choosing the Layout of the Halfpipe
Frame the halfpipe with 2” by 4” stock until you have built a structure about 4 feet wide and 8 feet long. The base of the halfpipe should be two sections of this size. Add floor joists throughout, at about 7 7/8″ apart. Lay the bracing on its side. Aim for a height of about three feet and three inches tall. Use finishing line to layout the curve of the halfpipe, at about a radius of 5′ 7 1/2″. Build the bracing using the radius line as a guide to form the “bowl” of the halfpipe.

Step Three:
Cross Members

Attach the vertical supports to the cross members, placing them about 7.5” apart from each other. In any places where the plywood seams meet, double the cross members to help prevent separation while in use.

Step Four: Building Decking
Use 3” screws to attach plywoood decking to the structure. Use double plywood to build the ramp and starting platforms. Attach laminate to the ramp with glue for a smoother surface and better ride. Add joists to support the starting platform so as to make it strong enough to hold more than one person at a time.

Step Five:
Building the Transition Cushion
To strengthen the halfpipe and prevent damage and injury, the 10′ PVC pipe needs to be added to the grind rail” or the area where the starting platform meets the vertical decking. Screw the PVC to the plywood and support structure along the area where these two things meet for additional support. Using a screw for every 8” will make it secure enough.

Step Six: Making Sure You Can Dissemble the Halfpipe
Since you will not likely be able to use the halfpipe all year long, when you are building, consider points where it will be easy to disassemble with focus on your storage requirements and availability. For instance, where one person may take it apart may not be the best place for you, depending on how large your final product is.

Have something available to cover the halfpipe when not in use to protect it from harmful elements. Always inspect the halfpipe before using it to ensure none of the boards have rotted. Using the halfpipe when the boards are rotting could lead to serious injury. If a pipe has rotted replace it before you use the halfpipe again.

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