Building Plans for Deck Benches

Decks make a pleasant area to sit throughout the warm months of the year, as well as a place to entertain company. In order to entertain guests, you will need versatile seating. You can install benches on your deck to add extra seating in addition to your patio table and chairs. Instead of purchasing your own, you can build a deck bench yourself. By making your own, you will be able to create a bench to suit your needs. This bench deck plan calls for a 36-inch bench, but you can adjust the dimensions to your individual space and seating requirements.

Build a bench for your deck to create extra seating.
  1. Select a spot to install the deck bench. Measure a 36-inch span across the selected area, using a tape measure. Mark the end points of the measurement with a pencil.

  2. Place one deck post mount on the deck surface at each pencil mark. Position them so that the outside edge of the mounts are against the pencil marks. The mounts should be parallel to each other.

  3. Drive the screws included with the deck mounts into the decking boards at each mounting hole, using a screw gun.

  4. Slide one end of each post into a post mount. Drive deck screws through the mounts into the posts at each mounting hole.

  5. Center the 1-inch by 12-inch by 36-inch board across the posts. Drive four evenly spaced deck screws through the top surface of the board into the ends of the posts. Center an L-bracket underneath the seat at each joint with the posts. Drive the included screws that came with the brackets through the mounting holes and into the posts and board, respectively.


  • Wear eye protection.

About the Author

Jonah Morrissey has been writing for print and online publications since 2000. He began his career as a staff reporter/photographer for a weekly newspaper in upstate New York. Morrissey specializes in topics related to home-and-garden projects, green living and small business. He graduated from Saint Michael's College, earning a B.A. in political science with a minor in journalism and mass communications.