DIY Floor Jack Extension – A Step-by-Step Guide to Building Your Own

Floor Jack Extension DIY

A floor jack extension is a great way to increase the reach of your floor jack. It can help you lift heavier items that would otherwise be too heavy for your floor jack. With a little bit of work and some basic tools, you can easily build your own floor jack extension.

Tools and Materials

To build your own floor jack extension, you will need the following tools and materials:

  • Two 2x4s
  • A drill
  • Screws
  • Wood glue
  • Saw
  • Measuring tape

Step 1: Measure and Cut the 2x4s

Measure the 2x4s and cut them to the desired length. For a standard floor jack extension, the 2x4s should be cut to a length of 18 inches. Make sure to measure and cut carefully, as any mistakes will be difficult to fix later on.

Step 2: Drill Holes for the Screws

Using a drill, make two holes in each of the 2x4s. The holes should be at least 1 inch from the edges of the 2x4s and should be the same size as the screws you are using. Make sure the holes are drilled straight and level.

Step 3: Attach the 2x4s Together

Using wood glue and screws, attach the two 2x4s together. Make sure to use enough glue to create a strong bond. Allow the glue to dry completely before moving on to the next step.

Step 4: Attach the Extension to the Floor Jack

Using screws, attach the floor jack extension to the floor jack. Make sure to use screws that are the same size as the holes in the 2x4s. Make sure to attach the extension securely and evenly.

Step 5: Test the Extension

Once the floor jack extension is attached, test it out to make sure it is working properly. Make sure the extension is stable and secure before using it. If the extension is not secure, make adjustments as necessary.


Building a floor jack extension is a relatively simple DIY project that can help you lift heavier items. With the right tools and materials, you can easily build your own floor jack extension in just a few steps. Just make sure to take your time and follow the instructions carefully.

Written by Best Floor Jack

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