Window Cranks and Interior Shutters
Window cranks in shallow casement windows are
difficult to avoid when installing interior shutters. Occasionally
the window is just deep enough that the shutter can still be
mounted directly to the window jamb.

The crank handle can be removed to buy the
necessary additional clearance, and it may then be temporarily
replaced to open or close the window.
Another option would be to replace the crank
handle with a butterfly handle, which is much shallower than
the standard crank and maybe found at most home improvement
stores.

If you find that the window crank unit is still
an obstruction, you may need to mount the shutters on the outside
of the window opening to the face of the trim (or directly to
the wall if there is no existing trim) using a frame.
See Measuring
Instructions on Horizon Shutters.
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