How to Make a Concrete Tabletop and Base

Round Concrete Tabletop and Base | CHENG Concrete Exchange

This two-part table is made using CHENG D-FRC. The top is easy to form up using CHENG Curved Wall Sections, while the base is cast in a more advanced foam with epoxy coating form.

Table Top Project Difficulty
Moderate
Table Base Project Difficulty
Very Hard

One: Table Base Forming

Round Concrete Table Top and Base | CHENG Concrete Exchange

The base form was initially modeled in a vector format before processing in CAD to CAM software and ultimately shaped from EPS foam by a CNC router.

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Two: Table Base Spraying

Round Concrete Table Top and Base - Table Base Spraying | CHENG Concrete Exchange

Each half of the form is initially cast separately to allow efficient placement of the fiber reinforced concrete mix before the forms  are seamed together.

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Three: Table Base Casting

Round Concrete Table Top and Base - Table Base Casting | CHENG Concrete Exchange

Glass fiber scrim and fiber reinforced concrete backer mix is used to “stitch” the two halves of the table base form while the concrete is still pliable.

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Four: Tabletop Forming

Round Concrete Table Top and Base - Table Top Forming | CHENG Concrete Exchange

3/4″ melamine and EPS foam are used to shape this 48″ diameter table top. The table also has a hole in the middle to accommodate a large table umbrella.

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Five: Tabletop Casting

Round Concrete Table Top and Base - Table Top Spraying | CHENG Concrete Exchange

A flowable fiber reinforced concrete mix is initially sprayed into the form before a stiffer backing mix is placed as structural reinforcement.

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