They can be installed on a wall if you wish. Blinds can go inside or outside
a window box. The new plastic ones can even be narrowed by using a chop saw,
but I would caution that you wrap the blind tightly with tape before
chopping it off. (uneven jagged edges if you don't) The square box mounting
bracket that comes with the blind is suited for several different mounting
As others have stated you can mount them on the wall if you like.
The keywords you are missing is "extension brackets" for wall mounting or
some companies use square "plastic shims" to build out the blinds. Either
will work and allow the blinds to clear the woodwork. If you window or door
does not have wood around it the plain old blind right of the box is all you
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