“Floating top” can mean a tabletop that appears raised above its base, or a solid-wood top fastened in a way that lets it expand and contract across its width. These are different design questions. Kreg’s sofa-table plan uses short risers to create the raised look; movement-friendly fasteners address seasonal wood movement. If you build with a solid-wood top, you may need to solve both.
What does “floating top” mean in a table plan?
In a visually raised design, spacers or risers lift the top above the table’s base. Kreg’s Floating Top Sofa Table uses this approach: four short dowel risers sit on the console base, and lag screws pass through the base and risers into the top.
In a movement-friendly attachment, “floating” means the tabletop is not locked rigidly across the grain. A solid-wood panel changes width as moisture conditions change, so its connection to the apron or rails must accommodate that movement. This meaning is about the joint, not a visible gap or raised profile.
A table can have a raised appearance and still need a suitable movement allowance if its top is solid wood. Do not assume that a plan’s use of “floating” automatically solves both issues.
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Kreg sofa-table plan: published dimensions and construction
Kreg’s plan gives these dimensions for its example. They are specifications for that design, not universal sizing guidance.
| Part | Plan dimensions |
|---|---|
| Floating top | 1½ × 14 × 72 inches |
| Console top | 1½ × 11¼ × 50 inches |
| Side panels (two) | 1½ × 11¼ × 27½ inches each |
The listed supplies include four ¼ × 4-inch lag screws and washers. The instructions describe making four short dowel risers, placing them on the console base, and driving the lag screws through the base and risers into the floating top. Check the complete plan for its cutting, assembly, and finishing directions before starting; the dimensions above alone are not a complete build sequence.
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Kreg also publishes a separate Floating-Top Console Table plan with top supports cut from a 1×4 board; its page notes a painted base with a natural top as one finish option. Fine Woodworking’s separate Floating-Top Table design uses arched side rails. Those are distinct design references; the available plan details cited here are not enough to reproduce either complete build.
How to attach a solid-wood tabletop without blocking movement
For a solid-plank top, avoid fastening it rigidly across the grain. Woodworkers Journal’s guidance is to secure the top near its center and allow movement toward the edges. A plywood-core top is different: it can generally be attached rigidly because it does not respond like a wide solid-wood panel.
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The movement required is not one fixed number. It depends on the wood species, grain orientation, tabletop dimensions, and humidity variation. For a dimensionally precise allowance, establish those inputs for the actual build and calculate the movement rather than guessing.
Compare tabletop fasteners before choosing
Woodcraft describes figure-eight fasteners, Z-clips, and shop-made buttons as ways to connect a top while accommodating movement. The right choice depends on top width and the geometry of the apron or rails.
| Method | Movement and suitable use | Apron or rail requirements | Visibility and installation considerations |
|---|---|---|---|
| Figure-eight fasteners | Pivot to allow movement, but Woodcraft says they allow less movement and are best suited to tops under 18 inches wide. | Require room to recess the larger end into the apron. | Inconspicuous when installed; recesses are easier to make before attaching the legs. |
| Z-clips | Slide to allow more movement than figure-eight fasteners, according to Woodcraft. | Fit into a groove in the apron. | Installation depends on cutting the apron groove and fitting the clips. |
| Shop-made buttons | An alternative movement-accommodating attachment; the cited Woodcraft guidance does not quantify its movement capacity. | Must be shaped and fitted to the table’s apron or rail arrangement. | Requires making and fitting the buttons; visibility depends on the design and placement. |
These methods address the tabletop-to-frame joint; they do not create the raised look used in Kreg’s sofa-table design. Select hardware and frame details to suit the actual top, rather than treating one fastener as appropriate for every table.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Installing figure-eight fasteners
Osborne’s instructions for its figure-eight hardware describe marking clip positions, recessing the apron for each clip’s larger end, fastening the clips, and then fastening the top. The exact recess dimensions depend on the hardware. For the cited Osborne fastener, the instructions specify a ¾-inch Forstner bit and a recess slightly deeper than the ⅛-inch-thick fastener; confirm that your chosen clips use those dimensions before following them.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minute- Plan the layout: Mark the clip positions on the apron so the fasteners are distributed appropriately for the table.
- Make the recesses: Recess the apron for the larger end of each clip. Woodcraft recommends completing these recesses before attaching the legs.
- Fasten the clips: Secure each clip in its recess, ensuring screw heads do not protrude above the fastener.
- Attach the top: Fasten the clips to the tabletop with screws snug, not overtightened, so the joint can accommodate movement.
Osborne’s instruction says: “Please note that we do not recommend making these screws too tight so that wood movement over time is possible.” Woodcraft’s guide also covers installation of figure-eight clips and Z-clips.
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