How to Build and Hang a Porch Swing

Glue and screw the rest of the framework that supports the seat slats: the center-seat support and the apron that connects the two side pieces in front. Apply a bead of glue on the underside of the first slat at each screw hole, then lay the slat against the side pieces; align the slat's ends flush with the side pieces. Screw the slat down. For all of the remaining slats, use spacer blocks to set an even gap between each slat and a scrap piece to align the end of each new slat with the one before it.