Originally posted by rmurto
Can you explain more detail on the attachment of the column to the wall? Are they removable? Do you have to take down panels to remove the columns?
The hidden cleats are just 2 x4's that were cut to the width of the columns. I made three cleats for each column. Then the 2 x 4 cleats were screwed to the wall, almost at the top of the column, middle and almost at the bottom. Then the columns were lifted in to place and slipped over the cleats. Screws were then, very carefully as to not snag the fabric, used to attache the columns to the hidden cleats.
Too remove the columns i would most likely need to remove some frames to get to the screws, as they are hidden by the frames.
The attached photo shows one of the locations of a rear column. You can see the top cleat and the center cleat. The center cleat is part of the speaker support.