To build a circular outdoor table, cut a round top, assemble a sturdy base, and finish with weatherproof glue, screws, and exterior coating.
Want a durable outdoor table for a small patio or leafy corner? This plan walks you through a sturdy build with common tools. You’ll cut a true circle, craft a rigid base, and apply a finish that shrugs off rain.
Project At A Glance
This section sets you up fast: size choices, suggested materials, and tool notes. Pick the diameter that suits your seating, then follow the cut list below. If this is your first circular top, the trammel method keeps the edge smooth and round.
| Aspect | Recommended Options | Notes |
|---|---|---|
| Diameter | 80–110 cm for 2–4 seats; 120–140 cm for 4–6 | Match space and chair width |
| Top Material | Exterior-grade plywood, cedar, teak, iroko | Choose stable, weather-tough stock |
| Base Material | Pressure-treated pine or hardwood | For legs and stretchers |
| Joinery | Pocket screws + glue; half-lap option | Strong and quick |
| Fasteners | Stainless or coated deck screws | Rust resistance outdoors |
| Adhesive | Type I waterproof PVA or polyurethane | Exterior bond |
| Finish | Exterior oil, spar varnish, or paint | UV and moisture protection |
| Tools | Jigsaw or router, drill/driver, sander | Table saw speeds layout |
| Time | 1–2 days with dry times | Plan around weather |
Build A Circular Outdoor Table — Step-By-Step
This walkthrough keeps measurements metric first with inch notes. Adjust the size to suit chairs and space.
1) Plan The Size And Height
Patio height sits near 74–76 cm (29–30 in). Allow 60 cm (24 in) per seat. A 100 cm top gives two to four seats with elbow room. A 130 cm top fits four to six. Leave at least 90 cm of clearance around the table.
2) Pick Materials That Last Outdoors
For the top, exterior-grade plywood stays flat and takes paint well. Cedar and teak hold up to wet weather. For legs, pressure-treated pine saves budget and resists decay. Use stainless or polymer-coated screws. Pick a waterproof PVA rated Type I, or a polyurethane glue, for joints that see rain.
3) Mill The Base Parts
Rip four leg blanks to 45 x 70 mm and cut to 72 cm length. Cut two long stretchers to 90 cm and two short stretchers to 55 cm. Add a central cross brace to resist racking. Ease sharp edges with a light chamfer.
4) Cut A Perfect Circle
Clamp the top panel to sacrificial boards. Mark center. Make a simple trammel: a thin strip with a pivot hole and a router mount set to your radius. Drive a small nail at center, set the trammel, and take shallow passes until the circle releases. A jigsaw works, yet a router leaves a cleaner edge.
5) Build The Base
Dry-fit legs and stretchers on a flat surface. Pocket-hole the stretchers on the inside faces. Glue and screw into square frames, then add the cross brace. Check for rock and adjust clamps until all feet touch.
6) Mount Battens Under The Top
Cut two or three battens from 18 mm stock at 60–70 cm. Pre-drill slots across the grain for movement. Glue and screw the battens perpendicular to the grain.
7) Attach Top To Base
Center the base on the underside. Use washers and screws through the slots. Snug the screws so the top can move a touch with humidity.
8) Sand And Ease Edges
Round the edge with a 6–8 mm round-over bit or a sanding block. Sand through 120 to 180 grit. Break every corner on the base.
9) Apply A Weather-Ready Finish
For a clear look, use a marine-style varnish or an exterior oil. For color and low upkeep, pick quality exterior paint over a primer. Brush thin coats and respect dry times.
Tool Setup And Safety
Sharp tools and a tidy bench make a cleaner build. Set blades and bits for the cut at hand. Use a push stick for narrow rips and keep guards in place on the saw. Safety glasses and hearing protection stay on from the first cut to the last screw. Read up on table saw safety before you start.
Router Trammel Tips
Use a dull pencil line for the radius and check once more before you cut. Take several shallow passes rather than one deep pass. Support the router base at the edge with a scrap so it never tips at the end of the cut.
Table Saw Basics For This Build
Set the fence square and wax the top so stock glides. Use a riving knife for rip cuts. Keep stretchers flat and use a crosscut sled for square shoulders.
Finish Choices That Stand Up Outside
Clear coats show grain yet need re-coats over time. Oils give a soft sheen and are easy to refresh. Paint seals fast and hides mixed woods. Seal end grain carefully.
Best Woods For Weather
Cedar and teak handle sun and rain with little fuss. Iroko takes oil nicely. For budget stock, pressure-treated pine works with paint and lasts when sealed.
Glue And Fasteners
Pick a waterproof PVA labeled Type I, or a polyurethane glue, for joints that see wet cycles. Clamp with even pressure and wipe squeeze-out. Use stainless or coated deck screws; pre-drill near end grain.
Design Tweaks You Can Add
A beveled top edge lightens the look. A slatted top sheds water faster. A lazy Susan helps passing plates. A foot ring stiffens the base.
Slatted Top Option
Rip 70 mm slats from 25 mm stock. Space them 8–10 mm with cards as spacers. Screw through battens from below. Add a narrow rim band.
Care, Maintenance, And Storage
Clean with mild soap and water. Let it dry before covers go on. Re-coat clear finishes when water stops beading. Tighten screws each spring. In snowy zones, store under cover.
Why These Specs Work
The round top keeps corners out of the way and seats people evenly. Battens handle seasonal movement. Stainless fasteners stop rust streaks. A waterproof glue line and exterior finish keep joints tight.
Common Mistakes And Quick Fixes
Wavy Circle Edge
If the jigsaw wandered, true the edge with a long sanding block and a light hand. Next time, use the router trammel.
Rocky Base
Loosen clamps and press all four feet to a flat floor during glue-up. Add thin pads under a short foot if the issue shows up after assembly.
Peeling Finish
Sand the top lightly and re-coat before the film fails. Use coasters to slow wear.
Material Notes From The Pros
Outdoor wood lasts longer when the treatment matches the exposure. Ground-contact parts need heavier treatment than above-ground parts. Look for end tags that show the use category. See the AWPA Use Category guidance when buying treated lumber.
Cut List And Dimensions
Use this baseline for a 100 cm top. Scale parts for other diameters. Keep leg splay minimal to preserve knee room.
| Part | Qty & Size (mm) | Notes |
|---|---|---|
| Top | 1 @ 1000 dia x 25–30 thick | Plywood or solid boards |
| Legs | 4 @ 720 x 45 x 70 | Square or slight taper |
| Long Stretchers | 2 @ 900 x 30 x 90 | Inside face pocket holes |
| Short Stretchers | 2 @ 550 x 30 x 90 | Create rigid rectangle |
| Cross Brace | 1 @ 500 x 30 x 70 | Stops racking |
| Battens | 3 @ 650 x 18 x 60 | Slots across grain |
| Feet Pads | 4 @ 50 x 50 x 6 | HDPE or rubber |
Next Steps
Pick the diameter, grab stock, and set up your trammel. With steady cuts and a sane finish schedule, you’ll wrap this build in a weekend and enjoy a sturdy table for seasons to come.