how to build an expanding dining table

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Having an expanding dining table in your home can be a great way to save space and have more seating options available when hosting guests. While store-bought options can be expensive, you can create your expanding dining table with a few simple steps and a little bit of woodworking knowledge. In this article, we will provide you with the step-by-step instructions you need to build your own expanding dining table.

Materials Needed

Before you get started, you'll need to gather the materials you'll need. Here's what you'll need:

  • 1x2 lumber
  • 1x3 lumber
  • 3/4\" birch plywood
  • Table slides
  • Hardware (screws, nails, wood glue)
  • Table saw
  • Jigsaw
  • Drill/driver
  • Sanding blocks or electric sander

Building the Base

The first step in building your expanding dining table is to build the base. Cut the 1x2 lumber to the length and height you desire for the table. Then, cut the 1x3 lumber into four pieces that will form the legs of the table. Attach the legs to the base using screws and wood glue.

Creating the Tabletop

Next, you'll need to create the tabletop. Cut the 3/4\" birch plywood to the desired size and shape for your tabletop. You may want to use a jigsaw to create a more unique shape. Sand the edges and surface of the tabletop with a sanding block or electric sander until smooth.

Attaching the Table Slides

In order for the table to expand, you'll need to attach table slides to the underside of the tabletop and on the base. Follow the instructions that came with your table slides for proper installation. Typically, you'll need to attach the slides at the center of the tabletop and along the inside edges of the table base.

Finishing the Table

Finally, it's time to finish your expanding dining table. You can paint or stain the base and tabletop to match your existing decor. Seal the tabletop with a layer of polyurethane to protect it from scratches and spills.


Building an expanding dining table is a fun and rewarding woodworking project. With a few basic tools and the right materials, you can create a functional and stylish table that will make entertaining guests a breeze. Follow these steps and you'll have your own expanding dining table in no time.



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