Tips from a January 2013 thread about patching holes in drywall to accept smaller-diameter recessed fixtures.
I have a homeowner who wants to replace 6" recessed light fixtures with 4" fixtures. Some but not all of the smaller cans will be in the same spots, and I can’t think of a good way to patch a 6" hole and then put a 4" hole in the same spot. — htroberts, North Carolina
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