Construction Posted on February 18, 2013 by bluegreenhouse 2 Since several people asked, here are a few pictures of the solar carport while under construction. Columns are 8″ x 8″ pressure treated lumber. Carport before columns and crossbars were wrapped in cementitious material (Miratec, Hardiplank or similar). Installation of panels. Installation of panels (by the guys from Southern Energy). Lumos LSX180 panel.