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A four-foot porch swing built like a small bench — 2x4 frame, 1x6 slats, no pocket holes required. The hanging hardware is the part you don't improvise.
| Part | Qty | T × W × L | Material | ✓ |
|---|---|---|---|---|
| Seat frame, front and back rails | 2 | 1 1/2" × 3 1/2" × 48" | — | ☐ |
| Seat frame ends and supports | 4 | 1 1/2" × 3 1/2" × 18" | — | ☐ |
| Back supports No pocket hole jig? Cut these 3-1/2" longer (23-1/4") and omit the top back rail. | 4 | 1 1/2" × 3 1/2" × 19 3/4" | — | ☐ |
| Top back rail | 1 | 1 1/2" × 3 1/2" × 48" | — | ☐ |
| Front arm supports | 2 | 1 1/2" × 3 1/2" × 11 1/4" | — | ☐ |
| Arms | 2 | 1 1/2" × 3 1/2" × 22 1/2" | — | ☐ |
| Seat and back slats | 5 | 3/4" × 5 1/2" × 48" | 1x6 | ☐ |
| Back slats, narrow | 2 | 3/4" × 3 1/2" × 48" | 1x4 | ☐ |
| Item | Qty | ✓ |
|---|---|---|
| 2x4, 8 ft Frame, back supports, and arms. | 5 each | ☐ |
| 1x6, 8 ft Seat and back slats. | 2 each | ☐ |
| 1x6, 4 ft | 1 each | ☐ |
| 1x4, 8 ft | 1 each | ☐ |
| Exterior screws, #9 x 2-1/2", self-tapping Frame assembly — or 2-1/2" exterior pocket screws if using a jig. | 40 each | ☐ |
| Exterior screws, #8 x 1-1/2", self-tapping Seat and back slats. | 40 each | ☐ |
| Porch swing hanging kit or rated eye bolts and chain Rated hardware, through-bolted. This line item is not the place to save eight dollars. | 1 each | ☐ |
| Exterior finish Finish BEFORE hanging. | 1 quart | ☐ |
Overall cost: $$. Lumber varies by region, species, and season, so we give a band rather than a figure.
Tools: Drill / Driver, Drill Bit Set, Speed Square, Tape Measure. Materials: 2x4, 8 ft, Exterior screws, #9 x 2-1/2", self-tapping
Assemble the basic rectangle: front and back 48" rails with the 18" ends and two interior supports between them. Pocket screws if you have the jig, otherwise 2-1/2" screws through the rails into the crosspieces, pilot-drilled.
Everything on this swing hangs from this frame. Square it, and don't skimp a screw.
Tools: Drill / Driver, Pocket Hole Jig. Materials: 2x4, 8 ft, Exterior screws, #9 x 2-1/2", self-tapping
Screw the four back supports to the seat frame, then tie their tops together with the 48" top rail.
No jig? Use the plan's alternative: back supports cut 3-1/2" longer, no top rail — the back slats themselves tie the tops together instead.
Tools: Drill / Driver, Drill Bit Set. Materials: 2x4, 8 ft, Exterior screws, #9 x 2-1/2", self-tapping
Screw the two short arm supports vertically to the front corners of the seat frame — pilot-drill, these are near board ends.
Tools: Drill / Driver, Tape Measure. Materials: 2x4, 8 ft, Exterior screws, #9 x 2-1/2", self-tapping
Set each arm on its front support and screw it there and into the back support. Check the two arms are level with each other — on a swing your eye catches an arm mismatch instantly, because the horizon is right behind it.
Tools: Drill / Driver, Random Orbit Sander. Materials: 1x6, 8 ft, Exterior screws, #8 x 1-1/2", self-tapping
Screw the 1x6 seat slats across the frame with the 1-1/2" screws, small even gaps for drainage. Round the front slat's edge generously — it's the one behind everyone's knees.
Tools: Drill / Driver. Materials: 1x6, 8 ft, 1x6, 4 ft, 1x4, 8 ft, Exterior screws, #8 x 1-1/2", self-tapping
Attach the remaining 1x6s and the two 1x4s to the back supports, even gaps. The mixed widths give the back a subtle rhythm — lay them out and look before you screw.
Tools: Drill / Driver, Drill Bit Set, Random Orbit Sander. Materials: Porch swing hanging kit or rated eye bolts and chain, Exterior finish
Sand thoroughly and finish every face — including the underside, which is at eye level to everyone walking up your porch steps.
Hang with a rated kit or rated eye bolts: THROUGH-BOLT the hardware to the seat frame (front and back rail at each end, four points total), and fasten overhead only into joists or a structural beam. Test-load it with more weight than it will ever carry before a person swings on it. Chain angle slightly outward at the arms keeps it from twisting.