How to use the sandwich board to the concrete square column into a cylindrical and finishes are made of aluminum-plastic package, it is best to have pictures or drawings
With a sandwich made of a semi-circular in the bottom of the column, the top and the middle of every 500 or so, with expansion bolts wooden side of the board will be fixed on the column, with a sandwich panel saw a narrow wood, Into a round wooden column of the pillars, and then stick to the aluminum plate.
