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A dining room table may be too small to accommodate all guests. A clever solution is to use its drawer to support an extension.

A table extension to do it yourself

Centerpiece of the house, the dining room table comes in an infinity of models that adapt to all styles of interior. Besides the aesthetics and the material, the dimensions of the furniture remain an essential criterion of choice. It depends of course on the size of the room and the reception habits of each. For comfort, a table must have a length of 1.45 m for 6 people and 2 m for 8 guests. In all cases, its ideal width is 90 cm.

A drawer as a table extension support

In the past, round or oval tables opened in the middle on wooden slides that served as supports for the extensions, stored separately.
Today, the extensible tables are equipped with one or more extensions sliding on integrated rails that allow to change their dimensions on demand.
In our example, the rectangular solid oak farmhouse table has a large, deep drawer that will serve as a support for an extension for two additional cutlery. Open halfway, it remains parallel to the ground and is strong enough to support a plateau.
The height between the top of the drawer and the surface of the table top is here 22 mm: a plywood panel of the same thickness is used to make the extension. To hold it firmly while avoiding drilling the drawer, the trick is to attach two cleats on the underside acting as a self-locking lever of the extension: once the drawer open, they slip inside and come to block under the table.
The platform is supported by the sleepers and the front of the drawer.

Assembly of the glued and screwed extension

Real child's play, this realization however requires a careful taking of dimensions (length of the cleats, thickness of the plate...) and to choose the most suitable material to manufacture the extension.
The assembled glued and screwed must be particularly resistant: it is the part of the extension not resting on any support which receives the two guests at the end of table... To offer more resistance and reduce the flexibility of the panel, the cleats forming the lever arms are glued to songs.

The manufacturing steps of the table extension

The manufacturing steps of the table extension

Raise the dimensions of the tray, record the measurements and draw them in pencil with a carpenter's square on a plywood board, here 22 mm thick.

Make a table extension: make

Brace the plywood on the workbench with a clamp, inserting a support board to prevent damage. Cut the wood with a plunge saw after having adjusted the guide.

Make a table extension: extension

After having noted the dimensions of the 5 battens to be fixed under the plate (here, 2 x L. 30 cm and 3 x L. 60 cm), cut them with a miter saw or, failing that, a saw handsaw.

Make a table extension: table

Make 3 pilot holes on one face of the 30 cm cleats, and 5 on one of the 60 cm cleats. Drill them with a drill-head mounted end milling cutter.

Make a table extension: extension

The threading length of the screws (here cruciform) must be between 1 and 3 cm depending on the nature of the material and its thickness. Screw them without piercing the cleats.

Make a table extension: extension

After having measured and traced on the underside of the tray, the location of the cleats forming the support of the extension, apply a bead of wood glue on the pieces.

Make a table extension: extension

Tray turned up, stick and screw the U-shaped cleats: 2 uprights of 30 cm and a cross of 60 cm. Then on the uprights, glue and screw the 2 cleats of 60 cm.

Make a table extension: table

Soften the edges with sandpaper (120 grit) by hand or with a small belt sander. In use, the touch will be more pleasant.

Make a table extension: make

PRACTICAL ADVICE
• To ensure the stability of the extension and prevent it from lifting when you press it, the cleats must fit into the drawer (here the re-entrant length is 30 cm). And the overflow of the extension, open drawer, must not exceed 30 cm.
• Even if your table is solid oak like this, you do not need to use the same gas for the extension that will most often be hidden under a tablecloth. Choose the lightness for easier set-up and storage.


Video Instruction: Extension Table - Made At Our Workshop In Brisbane,QLD