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A wall-mounted bench with no visible legs — a hidden 2x4 frame screwed into studs carries a 1x6 seat top that looks like it's floating.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Side frame pieces Depth minus 2-1/4" — sized for a 16" finished seat depth. | 2 | 1 1/2" × 3 1/2" × 13 3/4" | Pine 2x4 | ☐ |
| Back frame piece Screwed to studs along the wall. | 1 | 1 1/2" × 3 1/2" × 48" | Pine 2x4 | ☐ |
| Front frame piece | 1 | 1 1/2" × 3 1/2" × 48" | Pine 2x4 | ☐ |
| Center support Recommended for seat depths over 16" or spans over 4 ft. | 1 | 1 1/2" × 3 1/2" × 13 3/4" | Pine 2x4 | ☐ |
| Seat top boards | 3 | 3/4" × 5 1/2" × 48" | Pine 1x6 | ☐ |
| Front trim | 1 | 3/4" × 3 1/2" × 48" | Pine 1x4 | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| Pine, 2x4, 8 ft Hidden wall-mounted frame. 2x3 saves depth but use 2x4 if your span exceeds 4 ft. | 2 each | ☐ |
| Pine, 1x6, 8 ft Seat top boards, joined edge to edge. | 2 each | ☐ |
| Pine, 1x4, 8 ft Front trim, and optional side/back trim. | 2 each | ☐ |
| 3" self-tapping wood screws Frame to studs — a star-bit head (SPAX, GRK, or similar) is worth it. | 1 box | ☐ |
| 1-1/4" brad nails or trim screws | 1 box | ☐ |
| Wood filler and finish | 1 each | ☐ |
Overall cost: $$. Lumber varies by region, species, and season, so we give a band rather than a figure.
Tools: Level, Pencil, Tape Measure
Mark a level line at 17-1/4" off the floor around the bench area — that's a standard seat height. Locate and mark every stud just above the line with a stud finder; the whole frame's strength depends on hitting real framing, not just drywall.
Tools: Circular Saw, Drill / Driver. Materials: Pine, 2x4, 8 ft, 3" self-tapping wood screws
Cut two 2x4 (or 2x3) pieces to your desired finished bench depth minus 2-1/4". Attach them to the side walls with 3" self-tapping screws into studs, top edge flush to your pencil line.
Tools: Circular Saw, Drill / Driver. Materials: Pine, 2x4, 8 ft, 3" self-tapping wood screws
Measure and cut a 2x4 for the back wall and screw it into studs along your line. You can notch around electrical outlets if needed — just make sure every segment still lands on at least two studs.
Tools: Drill / Driver. Materials: Pine, 2x4, 8 ft
For seat depths greater than about 16", cut and add a center support running front to back, attached with pocket holes or 3" screws driven at an angle into the end boards. This keeps the middle of a wide seat from flexing under weight.
Tools: Drill / Driver. Materials: Pine, 2x4, 8 ft, 3" self-tapping wood screws
Measure and cut the front 2x4 to fit between the side pieces and attach it with two 3" screws at each end.
Push down firmly on the center of the frame. If it flexes noticeably, add a center leg down to the floor under the middle support, or reinforce as part of the front trim — better to catch this now than after the top is on.
Tools: Circular Saw, Tape Measure. Materials: Pine, 1x6, 8 ft
Join the 1x6 boards edge to edge before installing so the top goes on as one piece — any thick 1x material works here, including 1x12s or 3/4" plywood. Cut to fit, with an even overhang on the front if you're not adding front trim.
Tools: Brad Nailer. Materials: Pine, 1x4, 8 ft, 1-1/4" brad nails or trim screws
Trim the front edge with a 1x4 board, glued and nailed. Optional side and back trim conceals the gap between the frame and the wall and protects the wall from scuffing — skip it for a cleaner, more minimal look.
Tools: Random Orbit Sander. Materials: Wood filler and finish
Sand all edges, fill any visible fastener holes, and finish to match the room. Give screws and glue a day to fully set before loading the bench with weight.