
Click image to enlarge.
16. Rip strips
of 5/4 treated decking to 3-in. widths to make parts J. Align and screw them to
K and to the top of each 2x8 flat rafter. Then screw K in place from the
backside of F1.
17. Rip 5/4 decking 3 in. wide and rout a 1/4-in.
round-over on each edge to make the lattice strips.
18. Drill 3/4-in. holes and insert 6-in. long
1/2-in. PVC pieces with 90-degree fittings attached. These little pipes act as
ventilators to help slough off any excess moisture that may get into the
columns.
19. Fill the pilot holes and screw heads on each
column with auto body fiberglass filler. Let the filler harden, then sand the
areas flush. Now you’re ready to paint.

Click image to enlarge.
20. Screw the
5/4 lattice strips to the tops of the rafters. Evenly space them across each
section. Add more if you’d like to increase the shade below.