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How to Retrim Retrofit Windows

Replacing the trim around retrofit windows is often necessary in order to create a more attractive appearance to the reworked window space.  Fortunately, the task of removing the old trim, adding some molding to fill in gaps and finishing with new molding is not a difficult task.

When you have made a decision to retrofit windows in your home, this often means that something has to be done about the trim work.  This is because retrofitting essentially means putting another window frame over an existing casing, a task that will often leave the old trim work looking somewhat awkward.  Fortunately, it is possible to retrim a retrofitted window without a lot of trouble.

Things You Need



  • Measuring Tape

  • Saw

  • Hammer and Finishing Nails

  • Hammer

  • Caulk

  • Trim Pieces

  • Molding Strips

  • Paint


 



  1. Remove the existing trim.  This can usually be managed with ease by using the forked side of the hammer.  This will allow you to have a clean area around the retrofitted window to work with.

  2. Measure and cut the molding.  Record the measurements made using the measuring tape and cut the strips using the saw.  The strips of molding will help to fill in any gaps between the sill and the retrofitted window, giving the window a more finished look.

  3. Attach the molding.  Secure the molding in place using the finishing nails and hammer. Follow up with some caulking to fill in any small gaps that may still be present.

  4. Measure the space for the new trim.  Using the measuring tape, determine the lengths of trim required to fill in the space properly.  After taking the measurements, use the saw to cut the trim pieces to fit, making sure that you cut at an angle so the pieces can fit together snugly.

  5. Attach the trim to the area around the retrofitted window.  Position a length of trim and make sure it is as close to flush with the window as possible.  Use the hammer and finishing nails to secure the piece of trim in position.  Repeat the process until the entire window is trimmed.

  6. Apply caulk to any gaps that may be present between the window and the trim.  This will help to prevent seepage of air and moisture through the cracks and minimize damage to the new window as well as the frame.

  7. Paint the sill and the other area around the newly retrofitted window.  Choose a paint that matches the trim work on the rest of the house.  This will help the newly fitted windows to blend into the rest of the façade with relative ease.