Fasten the lattice-frame pieces to each other using 1⅝-inch deck-ing screws. Finally, place the frame between the posts, check it for level, and fasten the 1x6 frame members to the post with ...

7. Give your pergola some style by adding architectural accents such as a curved top, cylindrical wooden column supports, or design a top that flows with the roof lines of your house. 8.