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ENERGY STAR says caulk is the right fix for gaps around window or door trim of what size?

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  1. A quarter inch or less
  2. About one inch
  3. Up to three inches

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References

  1. ENERGY STAR: Sealing Windows and Doors www.energystar.gov/saveathome/seal_insulate/sealing-window-door Checked 2026-10-10.

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