How to reglaze wood windows with caulking silicone

Updated February 21, 2017

Caulking silicone is one of the most versatile compounds made. It can be used for a variety of applications, including reglazing windows. Because it comes in many colour variations, the silicone can be matched to the colour of the window frame or it can be used in the traditional white colour of regular glazing. Application is much like caulking bathtub tile, and anyone with do-it-yourself experience will be able to accomplish this task.

Prepare the window for reglazing. Remove all of the old glaze with a putty knife. Wipe down the area where the glass meets the frame with a damp rag. Allow to dry.

Tape along the entire top edge, with painter's tape, where the window has been set into the frame. Match the edge of the tape to the frame edge. Apply tape onto the glass 3/8 inch away from the frame edge. Use a tape measure to correctly determine this distance. Trim the tape with a utility knife where it overlaps.

Apply a bead of caulk between the tape lines using a standard caulk gun or a tube dispenser. The caulk must completely fill the area and cover the edge of the window in the frame.

Smooth the bead of caulk with a moistened paper towel. Press lightly and slowly while working your way around the entire frame.

Pull the tape off the frame and the glass. Smooth the ridges down on the silicone that have been left over along the tape edge. Allow to dry overnight before mounting the frame back into the window sash.

Things You'll Need

  • Putty knife
  • Rags
  • Painter's tape
  • Tape measure
  • Utility knife
  • Caulk gun or tube dispenser
  • Silicone caulk
  • Paper towel
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About the Author

Dale Yalanovsky has been writing professionally since 1978. He has been published in "Woman's Day," "New Home Journal" and on many do-it-yourself websites. He specializes in do-it-yourself projects, household and auto maintenance and property management. Yalanovsky also writes a bimonthly column that provides home improvement advice.