Storage shed
Storage Workbench
DIY blueprint for Storage Workbench.
Dimensions
Width (W)
1800mm
Depth (D)
900mm
Height (H)
1800mm
Cut list
Tools you'll need
- ✓
Measuring Tape (5m or longer)
Used for measuring all parts.
- ✓
Pencil and Carpenter's Square
For marking and confirming right angles.
- ✓
Saw
Using a home center's cutting service is recommended.
- ✓
Electric Driver
Impact driver improves work efficiency.
- ✓
Sandpaper
Prepare two types: #120 and #240 grit.
- ✓
Level
Essential for checking levelness during assembly.
- ✓
Clamps (2 or more)
Used for temporary holding during joining.
- ✓
Brush and Paint Tray
Used for applying wood preservative.
Materials
Build steps
- 1
Measure and Confirm Installation Location
≈ 15 minMeasure the installation site for the storage shed and workbench (1800×900×1800 mm). Confirm space width, ensure passage clearance (at least 600 mm), and check door opening range.
MeasureW 1800 mmMeasureSTEP 1 / 13Tip
- Avoid placing directly under gutters or drainage areas.
- Leave at least a 20 mm gap between walls and furniture for easy cleaning.
- Avoid borders between wooden decks or soil and ground to prevent wobbling.
Watch out
- Insufficient installation space for 1800 mm width makes installation impossible. Pre-measure carefully.
- Outdoor installation spots often have heavy foot traffic; protruding placement risks tripping.
- 2
Create Material Cutting List
≈ 30 minCut cedar boards 19 mm thick into front and rear boards (19×120×1800 mm) × 30 pieces, and side boards (19×120×900 mm) × 30 pieces. Bottom board is Lauan plywood 12 mm thick (12×862×1762 mm) × 1 piece. Corner posts are 2x4 lumber (38×89×1800 mm) × 4 pieces. Using a home center's paid cutting service is convenient.
CutUse the in-store cut serviceCutSTEP 2 / 13Tip
- Cedar boards vary significantly in knots and warping; select each piece individually.
- 500 mm length for corner posts is actual height including front and rear side boards height (120×4=480 mm) plus 20 mm margin.
- When using cutting service, specifying consistent grain orientation improves appearance.
Watch out
- Cedar board end grain absorbs moisture easily; focus on applying preservative here in later steps.
- Actual size of 2x4 lumber is 38×89 mm; specify '38×89' explicitly when requesting cuts, as nominal and actual dimensions differ.
- 3
Sand All Materials
≈ 40 minSand the lumber sequentially with #120 then #240 grit sandpaper. Cedar boards are soft and prone to warping and splintering, so pay special attention to end grain and surfaces. Chamfer edges of 2x4 corner posts to prevent snagging shoes or injury.
Sand#120SandSTEP 3 / 13Tip
- Cedar fibers are coarse; sanding against grain raises splinters. Verify wood grain direction before sanding.
- Sand end grain flat with #120, then smooth with #240. Skipping this causes uneven paint absorption.
- Using an orbital sander reduces time to one-third; rental services are available.
Watch out
- Sanding produces large amounts of dust; perform outdoors or in ventilated areas like balconies or garages.
- Failing to remove sanding dust before painting results in rough surface texture; clean off dust with air duster or damp cloth.
- 4
Set Up and Temporarily Fix Corner Posts
≈ 25 minStand four 2x4 posts vertically at the shed's corners. Temporarily clamp them level and check verticality with a level. Measure spacing between posts: 600 mm front-to-back and 300 mm side-to-side (inside measurements).
Build the frameTighten joints firmlyAssembleSTEP 4 / 13Tip
- Check verticality with a level on two faces (front and side) aiming for zero deviation on both.
- Uneven floors like concrete or cushioned vinyl demand placing plywood underneath for flat work surface.
- Align knots facing same direction on all four posts for better appearance; rotate posts when positioning.
Watch out
- If even one post deviates from vertical, front and side boards will be tilted when assembled.
- Inconsistent reference (inside or outside edge) when measuring spacing leads to 5-10 mm errors. Choose and maintain consistency.
- 5
Install Front and Rear Boards (Starting from Bottom Layer)
≈ 40 minPlace the first cedar board horizontally at the bottom front side. Apply wood glue to the adjacent corner posts and fix with 65 mm coarse-thread screws; 2 screws per post, 4 per board. For boards above, leave 5 mm ventilation gaps (approximate one chopstick thickness) between layers. Mount 5 boards on front, 5 on rear.
Build the frameTighten joints firmlyAssembleSTEP 5 / 13Tip
- 5 mm ventilation gap prevents shoe moisture accumulation and mold.
- Use chopsticks as spacers to ensure uniform gaps.
- Drill 4 mm pilot holes on the corner post side before screwing to prevent splitting.
Watch out
- Driving 65 mm screws without pilot holes cracks cedar boards; always drill pilot holes.
- Overdriving screws causes surface indentation; stop flush with board surface.
- 6
Install Side Boards (Left and Right)
≈ 35 minInstall side boards (19×120×900 mm × 30 pieces) similarly with ventilation gaps. Attach 5 boards on each side. Adjust front and rear boards first to make the corners fit perfectly. Measure diagonal lengths (front-to-back diagonals) to ensure equal lengths while fixing.
Build the frameTighten joints firmlyAssembleSTEP 6 / 13Tip
- Unequal diagonal lengths cause parallelogram distortion; maintain equality using clamps.
- Side boards are set inside front and rear boards, so offset pilot holes slightly from the front/rear edges.
- If corner fitting is an issue, consider pre-cutting 45-degree angles on corner boards for a cleaner finish.
Watch out
- Misaligned ventilation gaps between side and front/rear boards cause inconsistent appearance.
- Diagonal length deviation over 5 mm impedes smooth storage and fitting.
- 7
Process and Attach Bottom Board
≈ 25 minDrill nine φ20 mm ventilation holes evenly spaced (3 by 3) in the Lauan plywood bottom board (262×562 mm). Holes should be at least 50 mm from edges and 100 mm apart. Slide bottom board into the box base and fix it to the four posts with 45 mm coarse-thread screws.
Drill a holeφ20mmDrillSTEP 7 / 13Tip
- Ventilation holes let shoe sole moisture escape and are critical; do not reduce hole count.
- Using a hole saw produces clean holes; woodworking drill bits are acceptable.
- Bottom board's underside is not visible; no need to apply edge tape.
Watch out
- Warped bottom boards prevent contact with posts; check flatness and reverse board orientation if large warp exists, then fix screws to correct.
- Placing ventilation holes too close to edges weakens strength; keep them 50 mm or more from edges.
- 8
Final Check of Right Angles and Diagonals
≈ 15 minCheck right angles and diagonal lengths of the assembled box frame. Use a carpenter's square to measure each of the four internal angles for deviation from 90°. Measure the two diagonal lengths with a tape measure, confirming difference within 2 mm. If misaligned, loosen screws and correct using clamps before retightening.
InspectNo wobble ✓InspectSTEP 8 / 13Tip
- Diagonal difference indicates assembly accuracy; deviation within 2 mm is acceptable for practical use.
- Perform measurements on a level surface to avoid errors.
- Verify all screws are fully tightened by hand inspection.
Watch out
- Ignoring frame distortion leads to poor smoothness when doors or lids are installed.
- Loose screws risk wobbling and structural failure under shoe load.
- 9
Surface Preparation and Sanding Before Painting
≈ 15 minLightly sand entire assembly with #240 grit sandpaper, then wipe off dust with damp cloth. Level unevenness around screw heads and end grains. For outdoor use, wood preservatives like Xyladecor or Osmo Color are practical.
Sand#240SandSTEP 9 / 13Tip
- Cedar boards absorb paint heavily; two coats are expected.
- Apply extra preservative to end grain which absorbs deeply.
- Apply Xyladecor by rubbing with cloth, yielding more uniform finish than brushing.
Watch out
- Rough sanding before painting causes blotchy color and raised fibers.
- Painting with dust present creates rough texture.
- 10
First Coat of Paint
≈ 30 minApply Xyladecor or water-based paint over entire surface with brush or rag, following wood grain in one direction. Let penetrate 15-20 minutes, then wipe off excess with dry cloth. Apply paint diagonally into ventilation gaps to avoid missing spots. Let dry naturally for over 2 hours.
PaintWatco oil / varnishPaintSTEP 10 / 13Tip
- Xyladecor's 'apply and wipe off' method enhances wood grain texture.
- Paint pooling in ventilation gaps delays drying; wipe thoroughly.
- When working outdoors, ensure ventilation and open windows to disperse fumes.
Watch out
- Failure to wipe off paint leaves sticky residue for days.
- Thick coats cause uneven drying and later peeling; thin two coats is essential.
- 11
Intermediate Sanding and Second Coat of Paint
≈ 25 minAfter drying first coat, lightly sand surface with #320 grit sandpaper (intermediate sanding). Remove dust, then apply second coat thinner than first and wipe similarly. Allow 24 hours for full curing.
PaintWatco oil / varnishPaintSTEP 11 / 13Tip
- Intermediate sanding only smooths paint fuzz without removing coating.
- Two coats greatly improve wood preservative effectiveness; do not omit.
- Dry in dust-free environment.
Watch out
- Excessive sanding removes first coat.
- Skipping second coat halves preservative effectiveness, crucial for outdoor installation.
- 12
Apply Foot Pads and Waterproofing Measures
≈ 15 minAttach felt pads or non-slip rubber pads to bottom ends of corner posts. If placed directly on ground, elevate by 10 cm using bricks or blocks. On tile floors, silicone pads prevent slipping more effectively.
Fix to the wallAnchor to studsInstallSTEP 12 / 13Tip
- Felt pads absorb water and stain; rubber or silicone pads are recommended outdoors.
- Pads on all four corner posts are mandatory; omitting center causes tilt.
- Ventilate installation area for one week to allow paint fumes to dissipate.
Watch out
- No pads damage floor and cause slipping on wet surfaces.
- Some silicone pads have weak adhesive; use strong double-sided tape for security.
- 13
Final Inspection and Shoe Storage
≈ 15 minCheck all screws are tight, ventilation gaps even, and finish free of paint defects. Use level to verify stability; adjust pad thickness to level if needed. Avoid placing heavy objects for one week until paint fully cures. Store shoes dry.
Done!Done — nice work!DoneSTEP 13 / 13Tip
- Wipe water off wet shoes before storing; moisture encourages mold.
- Store up to about 80% capacity; overfilling restricts ventilation.
- Monthly ventilation (empty storage, dry with fan) prolongs lifespan.
Watch out
- Placing wet shoes before paint cures leaves shoe-shaped marks in paint film.
- Overfilling causes wood deformation from forced shoe storage.
Warnings
- ⚠️If used outdoors, wood preservative coating is essential (recommend recoating 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 estimateWidth W
Depth D
Height H
Base size 1800×900×1800 mm
Cut list (preview)
Total board length ≈ 90 m · Available at: カインズ / コメリ / コーナン / DCM
Accurate materials, prices, and cuts in the app
Per-retailer pricing, purchase links, and optimal cut layouts are auto-calculated in the app.
Examples3 examples
View all →Actual cost
¥41,829
Build time
11 h 15 min
Home center
コメリ
気になっていた物置兼作業台にようやく挑戦。築年数が経った家なので、雰囲気に合わせて少し重めの作りに。ウリンを使ったので、初期費用は張りますが長期的にはこちらが安いと割り切ってます。扉は南京錠が掛けられる金具を付けて、防犯面もケア。次は別のサイズで再チャレンジ予定です。
Actual cost
¥16,876
Build time
9 h 56 min
Home center
コメリ
市販品ではしっくりこなかったので物置兼作業台を自分で組みました。扉は南京錠が掛けられる金具を付けて、防犯面もケア。家族にも好評で作って良かった。
Actual cost
¥35,043
Build time
13 h 50 min
Home center
カインズ
気になっていた物置兼作業台にようやく挑戦。屋根は片流れ + アスファルトシングル。雨漏りゼロです。費用対効果も高くて満足です。
Ratings
Comments2
- genta_道具沼2026/04/26

初めて棚を作るのに参考にさせてください。工具はインパクトドライバーだけで足りますか?
- DIY読書中2026/04/26

壁付けにする場合は背板を入れたほうが安心かなと思います
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