ZUMEN
DIY blueprint for Round Garden TableReference photo

Garden table

Round Garden Table

DIY blueprint for Round Garden Table.

Intermediate¥10,000–¥18,0005 hOutdoor6 examples
CainzKomeriKohnanDCM

Dimensions

Width (W)

900mm

Depth (D)

900mm

Height (H)

720mm

Cut list

PartSize (T×W×L mm)Qty
1Tabletop
38×140×900×7
2Legs
38×89×682×4
3Aprons (long side)
38×89×824×2
4Aprons (short side)
38×89×824×2

Tools you'll need

  • Tape Measure (5m or longer)

    Used for measuring all parts.

  • Pencil and Carpenter's Square

    For marking and confirming right angles.

  • Saw

    Using home center's cutting service is recommended.

  • Electric Screwdriver

    Impact driver improves work efficiency.

  • Sandpaper

    Prepare #120 and #240 grit.

  • Level

    Essential for checking horizontality during assembly.

  • Clamps (2 or more)

    Used for temporary fixing during joining.

  • Brush and Paint Tray

    For applying wood preservative.

Materials

Tabletop (2x6 lumber)

38×140×900mm

7

Legs (2x4 lumber)

38×89×682mm

4

Aprons (2x4 lumber, long side)

38×89×824mm

2

Aprons (2x4 lumber, short side)

38×89×824mm

2

Coarse-thread Screws 75mm

75mm

60

Build steps

  1. 1

    Confirm Measurements and Usage Environment

    ≈ 15 min

    Measure the installation location for the round garden table (900×900×720mm). Confirm space behind and in front for chair movement (chair depth + at least 400mm) and the serving flow for dishes.

    Measure
    W 900 mm
    MeasureSTEP 1 / 12

    Tip

    • Standard dining space per person is about 600mm width × 400mm depth.
    • Table height 720mm assumes a typical dining chair seat height of 420mm plus clearance of 300mm.
    • Maintain at least 800mm distance from the wall to allow chair pulling out.

    Watch out

    • A tabletop of 1200×700mm is standard for four people but may feel cramped with many large dishes.
    • Neglecting to account for chair backrest space may cause difficult entry and exit.
  2. 2

    Create Cutting List and Order Lumber from Home Center

    ≈ 40 min

    Prepare seven pieces of 2x6 lumber for the tabletop (38×140×900mm), four legs of 2x4 lumber (38×89×682mm), two long side aprons (38×89×824mm), and two short side aprons (38×89×824mm). Prepare 60 coarse-thread screws 75mm. Using the home center's paid cutting service is convenient.

    Cut
    Use the in-store cut service
    CutSTEP 2 / 12

    Tip

    • 2x6 lumber actual size is 38×140mm; note the nominal vs actual size difference.
    • Nine 2x6 boards 140mm wide equal 1260mm. Even with 3mm gaps between boards, total width reaches 1284mm, exceeding 900mm, so adjust number or width of boards accordingly.
    • Effective tabletop width is 9×140 + 8×3mm gaps =1284mm, larger than 900mm; review plans accordingly.

    Watch out

    • Selecting warped or twisted 2x6 boards causes uneven tabletop surface. Inspect each board visually during purchase.
    • Leg length 682mm = desired table height 720mm minus tabletop thickness 38mm. Specify actual sizes precisely to avoid cutting errors.
  3. 3

    Sand All Parts

    ≈ 50 min

    Sand with #120, then #180, and finish with #240 grit sandpaper. Carefully sand the tabletop 2x6 boards — repeatedly wipe with a damp cloth to raise the grain, let dry completely, then finish with #240. This process reduces stain absorption during meals.

    Sand
    #120
    SandSTEP 3 / 12

    Tip

    • No splinters on dining surfaces are critical; check smoothness with the pad of your finger.
    • The wetting and drying sanding process ('water popping') reduces raised grain after finishing.
    • Using an orbital sander speeds sanding; consider rental services.

    Watch out

    • Forgetting to chamfer edges causes clothes or skin to catch, especially at children's face height.
    • Sanding produces a lot of dust; perform outdoors or in a well-ventilated garage or balcony.
  4. 4

    Assemble Legs and Aprons Temporarily (Frame Construction)

    ≈ 45 min

    Position the long and short aprons on the legs, 50mm down from the top end of the legs. Attach aprons on the exterior side of legs using two 75mm coarse-thread screws each joint. Confirm right angles at all frame corners using a carpenter's square; a rectangular frame indicates success.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 4 / 12

    Tip

    • Attaching aprons outside the legs improves appearance, but inside provides stronger contact with the tabletop.
    • Drill φ5mm pilot holes in the apron side before screwing to prevent splitting the legs.
    • Accurate right angles at joints are critical for tabletop fitting later.

    Watch out

    • Driving 75mm screws without pilot holes easily splits 2x4 lumber.
    • If leg grain direction or knots are inconsistent, appearance will look uneven.
  5. 5

    Check Frame Right Angles and Diagonal Lengths

    ≈ 15 min

    Place the assembled frame on a flat floor, check that all four legs contact the floor with no wobbling. Measure inside diagonal lengths at two corners using a tape measure; confirm they match within 2mm. If skewed, loosen screws and use clamps to correct, then retighten.

    Inspect
    No wobble ✓
    InspectSTEP 5 / 12

    Tip

    • Measurements are invalid on uneven floors; work on a flat surface.
    • If diagonal difference exceeds 5mm, the tabletop will sit tilted; keep within 2mm.
    • Wobble occurs if any one leg is lifted; adjust so all legs are in contact.

    Watch out

    • Ignoring distortion before proceeding causes tabletop edge misalignment.
    • Low-quality carpenter's squares may have inaccuracies over 0.5 degrees, causing assembly errors.
  6. 6

    Assemble Tabletop

    ≈ 40 min

    Lay the nine 2x6 tabletop boards side by side on a workbench, aligning the wood grain direction. Insert 3mm thick chopsticks between boards to allow wood movement (breathing space). Attach two 2x4 reinforcing battens to the underside using wood glue and 45mm coarse-thread screws to unify the tabletop.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 6 / 12

    Tip

    • Alternating heartwood ray directions of boards helps counter warping and cracking.
    • Place battens 200mm inside from the tabletop edges for aesthetics.
    • Confirm 45mm screws do not penetrate the 38mm thick tabletop by measuring length.

    Watch out

    • Tight butt joints without gaps cause tabletop swelling and warping from moisture.
    • Battens installed askew cause overall tabletop distortion; verify right angles with a carpenter's square.
  7. 7

    Attach Tabletop to Frame

    ≈ 30 min

    Place the tabletop on the frame, confirming equal overhang of about 30mm on all sides. Drill φ5mm pilot holes from the aprons upwards into the tabletop underside, then secure using 75mm coarse-thread screws: 4 screws from each long apron and 2 from each short apron, total 12 screws.

    Build the frame
    Tighten joints firmly
    AssembleSTEP 7 / 12

    Tip

    • Overhang (tabletop beyond apron edge) of 30-50mm avoids interference during use.
    • Screws placed toward the inside rather than the apron center reduce wood splitting.
    • Screw length should be no longer than apron thickness plus 20mm to avoid penetrating tabletop surface.

    Watch out

    • Driving 75mm screws directly without pilot holes and countersinking may cause screw heads to protrude on tabletop surface.
    • Excessive overhang (over 50mm) causes tabletop flex; about 30mm is optimal.
  8. 8

    Prepare Surface for Painting

    ≈ 20 min

    Lightly sand the entire surface again with #240 grit sandpaper before painting, then wipe off dust with a damp cloth. Use water-based urethane varnish, or wood preservatives like Xyladecor or Osmo Color suited for outdoor use. For food contact surfaces, use paint labeled 'compliant with food sanitation law.'

    Sand
    #240
    SandSTEP 8 / 12

    Tip

    • Water-based urethane varnish (matte or semi-gloss) offers strong water and heat resistance, ideal for dining tables.
    • Xyladecor preserves natural wood texture with a soft finish.
    • Always test paint on scrap wood to verify color before main application.

    Watch out

    • Glue residues repel paint; remove them by sanding with #240 grit.
    • Painting over dust results in rough surfaces; clean thoroughly before coating.
  9. 9

    First Coat of Paint

    ≈ 40 min

    Apply paint evenly over entire surface using a brush, working in order: tabletop, aprons, legs, then underside. Brush along grain in one direction avoiding brush marks. For water-based urethane varnish, dry about 3 hours; for Xyladecor, penetrate 15-20 minutes, wipe excess, then dry 2 hours.

    Paint
    Watco oil / varnish
    PaintSTEP 9 / 12

    Tip

    • Apply thin coats of urethane varnish twice; thick coats cause bubbles and shrinkage.
    • Always wipe off excess Xyladecor to avoid sticky finish after drying.
    • Dry in a low-dust environment.

    Watch out

    • Applying varnish too thick leads to dripping and uneven drying.
    • Direct heating or forced drying causes surface dry but underdry inside, causing defects.
  10. 10

    Intermediate Sanding and Second Coat

    ≈ 40 min

    Once the first coat is fully dry, gently abrade the surface with very fine #400 sandpaper (intermediate sanding). Remove dust and apply the second coat more thinly. For a thicker film (3 coats) typical for dining tables, repeat intermediate sanding again between coats.

    Paint
    Watco oil / varnish
    PaintSTEP 10 / 12

    Tip

    • #400 sanding lightly smooths raised grain without removing paint film.
    • Two coats significantly improve waterproof and abrasion resistance, essential for dining tables.
    • Three coats provide a hard, glossy finish like professional tables.

    Watch out

    • Overzealous intermediate sanding can expose the first coat.
    • Touching surface before full cure leaves fingerprints and dust marks; follow 24-hour drying strictly.
  11. 11

    Wait for Complete Paint Cure

    ≈ 10 min

    After finishing painting, wait at least 72 hours without placing heavy objects to allow full curing. Water-based urethane varnish fully cures in one week. During this period, avoid using the table even for meals or work and lightly cover with a cloth to keep dust off.

    Paint
    Watco oil / varnish
    PaintSTEP 11 / 12

    Tip

    • Cure times vary by paint; strictly follow instructions on can.
    • Check cure by lightly pressing surface with fingernail; no indentation indicates cure.
    • Summer curing takes 3-4 days; winter can exceed one week due to temperature.

    Watch out

    • Placing hot pots directly before full cure melts the paint.
    • Dropping dishes causes paint chipping; handle carefully until cure is complete.
  12. 12

    Attach Leg Pads and Final Checks

    ≈ 20 min

    Stick felt pads to the bottom of all four legs to prevent floor damage. Move the table to its location, check horizontality using a level. Adjust pad thickness to eliminate wobble. Place chairs and sit to confirm knees do not hit aprons.

    Done!
    Done — nice work!
    DoneSTEP 12 / 12

    Tip

    • 10mm thick felt pads absorb floor unevenness.
    • Use felt pads on hard floors and rubber pads on tatami mats.
    • If wobble persists, adjust with a thinner pad on one leg.

    Watch out

    • Not using pads causes floor scratches from table weight.
    • Improper chair-to-table height clearance (270-300mm) results in poor dining posture.

Warnings

  • ⚠️For outdoor use, applying a wood preservative is essential (reapplication recommended annually).
  • ⚠️Use stainless steel screws (iron screws will rust).
  • ⚠️Drill pilot holes before driving screws to prevent wood splitting.

Custom design

Changing the dimensions roughly scales the cut list. Get the precise calculation in the app.

Enter dimensions (mm)

Quick estimate

Width W

Depth D

Height H

Base size 900×900×720 mm

Cut list (preview)

PartSize (T×W×L)Qty
Tabletop38×140×900×7
Legs38×89×682×4
Aprons (long side)38×89×824×2
Aprons (short side)38×89×824×2

Total board length ≈ 12.3 m · Available at: カインズ / コメリ / コーナン / DCM

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Examples6 examples

View all →
Round Garden TableRound Garden Table
mokkou_pdf_61
mokkou_pdf_612026-03-26
4.3(18)

Actual cost

¥15,917

Build time

4 h 36 min

Home center

コーナン

今回はラウンドガーデンテーブルにトライ。天板に 5mm の隙間を空けて雨水抜き。1 年経っても腐食ゼロ。塗料は食品衛生法適合品。子供がなめても大丈夫なものに統一。費用対効果も高くて満足です。

Round Garden TableRound Garden Table
Honami
Honami2026-04-10
4.1(16)

Actual cost

¥18,150

Build time

5 h 58 min

Home center

ロイヤルホームセンター

週末を使ってラウンドガーデンテーブルを作りました。脚はクロス型で安定。BBQ で 6 人座っても揺れません。次は別のサイズで再チャレンジ予定です。

Round Garden TableRound Garden Table
Toshi@庭づくり
Toshi@庭づくり2026-01-02
4.2(11)

Actual cost

¥11,020

Build time

6 h 36 min

Home center

カインズ

気になっていたラウンドガーデンテーブルにようやく挑戦。天板に 5mm の隙間を空けて雨水抜き。1 年経っても腐食ゼロ。家族にも好評で作って良かった。

Round Garden TableRound Garden Table
Shota田舎暮らし
Shota田舎暮らし2025-12-25
3.9(17)

Actual cost

¥9,681

Build time

4 h 3 min

Home center

コーナン

気になっていたラウンドガーデンテーブルにようやく挑戦。屋外塗装は 防腐塗料 → クリアの 2 段仕上げで保護を厚めに。結果には満足してます。

Round Garden TableRound Garden Table
Yasushi田舎暮らし
Yasushi田舎暮らし2026-03-03
4.3(6)

Actual cost

¥13,534

Build time

7 h

Home center

カインズ

ラウンドガーデンテーブルを自作しました。天板に 5mm の隙間を空けて雨水抜き。1 年経っても腐食ゼロ。費用対効果も高くて満足です。

Round Garden TableRound Garden Table
庭まわりラボ
庭まわりラボ2025-12-26
4.0(4)

Actual cost

¥11,532

Build time

4 h 38 min

Home center

コーナン

気になっていたラウンドガーデンテーブルにようやく挑戦。脚はクロス型で安定。BBQ で 6 人座っても揺れません。費用対効果も高くて満足です。

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Ratings

4.2/ 5
(25 ratings)Rate in the app

Comments5

  • tomoki_woodshop's avatar
    tomoki_woodshop
    2026/04/26

    ウリン使うなら専用ビスを推奨。木が硬くて普通のコーススレッドだとネジ切れます

  • 床板は隙間 5〜8mm 開けると排水がよくて長持ちします

  • 庭の DIY 始めたばかりなので、まずはフェンスから作ってみたいです

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