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A platform bed with L-profile side rails (2x4 capping 2x6) and a 1x6 plank headboard on a 2x2 frame — prefinished in sections, screwed together in the bedroom, with 45° anti-rack braces.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Headboard planks Queen. Twin 60", full 72", king/cal-king 96" — or any headboard length you like; the design scales by plank length. | 7 | 3/4" × 5 1/2" × 79" | 1x6 | ☐ |
| Headboard top rail | 1 | 1 1/2" × 1 1/2" × 79" | 2x2 | ☐ |
| Headboard verticals 3 for twin/full, 6 for kings. | 5 | 1 1/2" × 1 1/2" × 31 1/2" | 2x2 | ☐ |
| Side rail beams Mattress length: 75" twin/full, 84" cal king. | 2 | 1 1/2" × 5 1/2" × 80" | 2x6 | ☐ |
| Side rail caps Flush to the INSIDE of the beam — the L-profile. | 2 | 1 1/2" × 3 1/2" × 80" | 2x4 | ☐ |
| Footboard beam Queen. 41" twin, 57" full, 79" king, 75" cal king. | 1 | 1 1/2" × 5 1/2" × 63" | 2x6 | ☐ |
| Footboard cap Overextends the beam 2" each end — the reveal is the design. | 1 | 1 1/2" × 3 1/2" × 67" | 2x4 | ☐ |
| Slat cleats | 2 | 1 1/2" × 1 1/2" × 80" | 2x2 | ☐ |
| Center support Full size and up; top edge flush with cleat tops. Twin skips it. | 1 | 1 1/2" × 3 1/2" × 80" | 2x4 | ☐ |
| Cross braces Both ends 45°, long point to long point — the anti-rack triangles. 2x6 also works. | 2 | 1 1/2" × 3 1/2" × 20" | 2x4 | ☐ |
| Slats ~4" gaps — CHECK your mattress's slat requirement; foam wants tighter. | 11 | 3/4" × 3 1/2" × 60" | 1x4 | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| 1x6, 8 ft Headboard planks. Queen quantities; see cut notes for other sizes. | 7 each | ☐ |
| 2x2 furring strip, 8 ft Headboard frame and slat cleats. | 5 each | ☐ |
| 2x6, 8 ft or stud length Rail and footboard beams. | 3 each | ☐ |
| 2x4, 8 ft or stud length Rail caps, center support, braces. | 4 each | ☐ |
| 1x4, 10 ft Slats — two queen slats per board. | 5 each | ☐ |
| Self-tapping screws, 2-1/2", star drive | 60 each | ☐ |
| Brad nails, 1-1/4" | 100 each | ☐ |
| Wood glue | 8 oz | ☐ |
| Stain or paint Applied to sections FLAT, before the bedroom. | 1 qt | ☐ |
Overall cost: $$$. Lumber varies by region, species, and season, so we give a band rather than a figure.
Tools: Brad Nailer, Miter Saw, Random Orbit Sander, Tape Measure. Materials: 1x6, 8 ft, 2x2 furring strip, 8 ft, Brad nails, 1-1/4", Wood glue, Stain or paint
Lay the seven 1x6 planks on a flat surface, snug the edges, and attach the 2x2 top rail across the top with brads and glue. Add the vertical 2x2s — ends first, then evenly spaced — nailing through from the back so the face stays clean.
Sand and finish it now, flat. The headboard's face is the first thing seen in the room every day; give it the finish schedule it deserves while it's still bench work.
Tools: Drill / Driver, Random Orbit Sander. Materials: 2x6, 8 ft or stud length, 2x4, 8 ft or stud length, Self-tapping screws, 2-1/2", star drive, Wood glue, Stain or paint
Screw each 2x4 cap flat on top of its 2x6 beam, flush to the INSIDE face — that's the L. The footboard's cap overextends 2" past the beam at each end; center it before screwing.
Prefinish these too. Sections that arrive in the bedroom finished make assembly a screwdriver evening instead of a project.
Tools: Drill / Driver, Tape Measure. Materials: Self-tapping screws, 2-1/2", star drive
Screw the footboard to the side rails with the 2-1/2" screws, then the rails to the headboard, and set the frame in position. Check the frame's diagonals before the last screws — a racked frame telegraphs into the braces next step.
Tools: Drill / Driver, Miter Saw, Tape Measure. Materials: 2x2 furring strip, 8 ft, 2x4, 8 ft or stud length, 1x4, 10 ft, Self-tapping screws, 2-1/2", star drive
Screw the 45° cross braces into the bottom corners (and at the headboard too, if you want maximum stillness) — these triangles are what keep a platform bed from ever learning to wiggle. Run the 2x2 cleats along the rails, and for full size up, add the center 2x4 flush with the cleat tops, with optional center legs under it.
Lay the slats at even (~4") gaps and screw each down. Check your mattress maker's slat spec — foam mattresses want closer spacing. Mattress on; the lumber yard would like to know how it became furniture this fast.