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Floating Wall Desk[8/4 Wide · 4ft · 5-Pack]
One pack. One build. All 5 boards used. • Makes 1 floating desk
Shop Black Walnut 8/4 Wide · 4ft Pack Shop All Speciesselect 4' Lengths / 6-8"
How it goes together
Black Walnut
Hard Maple
Cherry
White Oak
Red Oak
Ash
Hickory
Ambrosia Maple
Sapele*
Padauk*
Purpleheart*
*Exotic — not available for shipment to US customers.
A solid hardwood desk that hangs on the wall — no legs, nothing to vacuum around, and it fits a hallway nook or a small bedroom. Three wide 8/4 boards edge-glue into a 46" × 16½" top. A full-length cleat lagged into every stud carries the back, two steel brackets carry the middle, and a strip glued under the front edge stiffens it and makes it look extra thick.
Quick Build — for experienced woodworkers
| Part | Qty | From | S2S size |
|---|---|---|---|
| Desk top pieces | 3 | Boards 1–3 | 46" × 5½" × 1¾" |
| Wall cleat | 1 | Board 4 | 46" × 5½" × 1¾" |
| Front strip | 1 | Board 5, ripped in half | 46" × 2 11/16" × 1¾" |
| Bracket spacers | 2 | Board 5, other half | 8" × 2 11/16" × 1¾" (trim to fit) |
Top: three 5½" boards edge-glued → 46" × 16½" × 1¾".
Back: board 4 is a 46" cleat on edge (5½" tall), two 5/16" × 4" lags or structural screws per stud; top screwed down into it with #10 × 3" screws, counterbored and plugged.
Front: half of board 5 glued flat under the front edge (long grain) — stiffer top, 3½" front look.
Brackets: 2 heavy-duty steel brackets (12" arm, rated 100 lb+ each) into studs, uprights packed out with spacers cut from board 5.
Finished size: 46" W × 16½" D, top surface at 29½" (adjustable), 1¾" top with a 3½" front edge.
Before You Start
Shopping List
- 1 lumber pack — 8/4 Wide · 4ft (6–8" wide, S2S)
- Wood glue (Titebond II or III)
- 2 heavy-duty steel desk/shelf brackets, 12" arm (no longer), rated 100 lb or more each
- 6–8 × 5/16" × 4" lag screws with washers (or 4" structural screws), 2 per stud
- 5 × #10 × 3" flat-head screws + ⅜" wood plugs
- Screws for the brackets: 3½" structural screws into the studs, #10 × 1" pan-head up into the top
- Sandpaper 120 / 180 / 220
- Finish: hardwax oil or water-based poly
Tools
- Saw for crosscuts (mitre saw or circular saw with a speed square)
- Saw for rips (table saw, or circular/track saw with a guide)
- Track saw, or circular saw + straightedge
- Jointer, straight-line rip jig or hand plane
- 6 bar clamps, 24" or longer
- Router sled, hand plane or belt sander
- Drill/driver, countersink bit, pilot bits, ⅜" counterbore bit, socket for lag screws
- Stud finder, 4ft level
- Random-orbit sander or sanding block
Why S2S only? The 6–8" wide 8/4 boards come S2S: both faces planed, edges rough. Plan on losing about ¼" per edge when you straighten them.
Our sizing assumptions: ⅛" per saw cut · 6–8" wide 8/4 S2S boards trimmed ½" each end and ¼" off each rough edge (5½" clean at the narrowest), planned at 1¾" thick · sizes drawn for the narrowest board in the pack. Wider boards give you a bigger offcut or a wider part — never a shortage.
Step-by-Step
S2S Lumber Pack (6–8" wide)
Surfaced 2 sides — straighten edges first
- 1 Prep the boards. Trim ½" off each end to remove any end checks. Joint one edge straight, then rip the other edge parallel (¼" off each rough edge is our planning allowance).
- 2 Cut the parts. Square one end of each board and crosscut boards 1–4 at 46". Rip board 5 down the middle. Cut one strip at 46" for the front strip, and two 8" spacers from the other.
- 3 Glue up the top. Joint the mating edges of boards 1–3 until no light shows along the seams. Edge-glue them into a 46" × 16½" top, long grain to long grain. Use cauls at the ends and clamp every 8", alternating over and under. Leave overnight.
- 4 Flatten and square. Scrape off the glue and flatten the top with a router sled, a hand plane or a belt sander. Trim both ends square with a track saw or a circular saw and a straightedge.
- 5 Add the front strip. Glue the strip flat under the front edge, flush with the front and both ends. Clamp every 6". The grain runs the same way in both parts, so this is a long-grain joint. The front edge now looks 3½" thick and the top is much stiffer.
- 6 Sand and finish. Round the front edge and corners — your wrists rest here. Sand 120 → 180 → 220. Finish the top, bottom and edges equally with hardwax oil or water-based poly so the top stays flat.
- 7 Mark the height. Find and mark every stud. For a 29½" desk, draw a level line on the wall at 27¾" — that is the desk height minus your top's thickness (1¾"; measure yours after flattening). Sit at a chair you'll use and check: elbows at about 90° over the top.
- 8 Mount the cleat. Hold the cleat on edge with its top on the line, centred where the desk goes. Pre-drill and drive two 5/16" × 4" lag screws with washers, or two 4" structural screws, into every stud.
- 9 Mount the brackets. Pick two studs 32" apart (skip the one between). Screw a spacer to the wall under the cleat at each one, so the bracket's upright lies flat across the cleat and spacer. Trim the spacers so they don't stick out below the bracket. Set each bracket with its arm level with the cleat top and screw it through the cleat or spacer into the stud.
- 10 Fit the top. Set the top on the cleat and brackets, back edge tight to the wall. Drive #10 × 3" screws through counterbored holes down into the cleat, about every 10", and glue in wood plugs. Screw up through the brackets with #10 × 1" pan-head screws; slot or enlarge the front hole in each arm so the top can move. Pre-drill every hole.
Why a cleat and brackets? The cleat holds the whole back edge to every stud, so the top can't sag or twist there. The brackets hold up the middle, where your arms lean. Together they make a solid desk with no legs.
Why a front strip? A 16½" deep top flexes a little at the front edge when you lean on it. Gluing a strip under the front makes it much stiffer, and the thick edge looks great.
Does wood movement matter? Yes. The top grows and shrinks about ⅛" front to back through the year. The cleat runs the same way as the top, so it doesn't fight it. Slot the front screw holes in the brackets so the top can move.
Make It Yours
- Cable hole: drill a 2" hole near a back corner and fit a grommet cap for the charger cables.
- Phone ledge: mount the leftover half of board 5 above the desk as a narrow ledge, screwed into studs.
- Standing height: mount it at elbow height when you stand (often 40–44") for a wall-mounted standing desk.
Safety and Care
- Wear eye and hearing protection. Use a push stick for every rip under 4" wide.
- Mount into wall studs (or rated anchors sized for the load). Check for wires and pipes before drilling.
- Pre-drill every screw — hardwoods split without a pilot hole.
- Rated for about 50 lb spread across the top — a laptop, a monitor and your arms. Never sit, stand or climb on it.
- Lag screws go into studs only. Drywall anchors will not hold a desk.
Frequently Asked Questions
The 6–8" wide 8/4 pack comes S2S (faces planed, edges rough). Straighten the edges with a jointer, a table saw and a straight-line jig, a track saw, or a hand plane.
Most people sit best with the top at 28–30". Sit in your chair with your shoulders relaxed and elbows at 90°: the top should be at or just below your elbows. Mark that line, then subtract the top's thickness for the cleat.
Cut the spacers longer — cut them from the leftover half of board 5, which is long enough. The spacer just fills the gap between the wall and the bracket below the cleat.
Yes. A monitor and laptop are well within the 50 lb rating. Keep heavy items over the brackets, not at the far ends.
Planned offcuts only: about 1" off the end of boards 1–4, and about 29" of the second strip from board 5 after the spacers — enough for a phone ledge or longer spacers. All 5 boards go into the desk.
A 2ft wide pack is too short for a 46" desk. It makes two 22" floating shelves instead — see our Floating Nightstand Shelf plan.
