(CBS4) – Keep in mind that NO types of plywood shutters meet the South Florida Building Code. If at all possible, install a commercially produced shutter or other product that does meet the building code. If you decide to use plywood shutters, the following design is one way to install them on a concrete block stucco home.

This method of plywood shutter construction requires at least a 2-inch inset of the window frame from the exterior face of the concrete wall. It uses: 5/8 or 3/4 inch thick exterior grade plywood cut to fit in the outside of the window opening against the window frame. You will need 4-6 barrel bolts, either 3″ or 4″ size per window. You will need more for larger windows or sliding glass doors.

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The rule of thumb is one barrel bolt every 18″.

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To get the shutters to fit properly, you might have to do some planing to fit the shutter in the window opening. A snug fit is very important.

  • Be sure to attach the bolts to the wood first, them mark where you need the holes in the concrete.
  • Use a drill to make holes in the window inset to correspond with the size of your barrel bolts.
  • For large windows or sliding glass doors, attach two pieces of plywood together with 2×4’s or something like a piano hinge. The 2×4’s will also help give you something to hold while putting up the shutter. If storage space is a problem, you could store the individual sections of these larger shutters and wait until a storm is approaching to attach the sections with the 2×4’s.
  • If you can, waterproof (seal or paint) the finished shutters. This will help prevent the plywood from warping quickly.
  • Be sure to mark each shutter so that you know which one goes on each window.
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Remember, even the best designed shutter will fail in strong winds if not installed properly. So, try to get as tight a fit as possible on the plywood. You don’t want to allow wind to get under the shutter.