How Do I Remove Old Aluminum Frame Windows?


Aluminum window frames were common in new building construction in the 1950s, 60s and 70s. Aluminum is a lightweight metal, which makes for easy installation of window frames. However, over time, aluminum windows can lose their insulation ability and develop cracks, both in the window panes and around the frame. Removing old aluminum frames for replacement is an easy project for a DIYer.

Things You'll Need

  • Pry bar
  • Hammer
  • Flat-bladed screwdriver
  • Putty knife
  • Utility knife
  • Blowtorch
  • Reciprocating saw or hack saw
  • Phillips screwdriver
  • Work gloves
  • Remove any trim around the edge of the windows with a pry bar or hammer. Insert the tool between the trim and the outside wall of the house and pry off.

  • Place tape in an "X" pattern over all the panes in the aluminum window frame. This will help to keep the glass together if it cracks while you are working.

  • Remove the plastic tabs or trim holding the panes in the window frame by prying them out with a flat-bladed screwdriver or putty knife.

  • Cut away any caulk or glue holding the window panes in place in the frame by cutting it away with a sharp utility knife or melting it with a heat source such as a blowtorch or heat gun. Keep one hand on the frame or have an assistant hold it in place while you are working so it doesn't suddenly fall out of place.

  • Cut away any internal pane frames on the window with a reciprocating saw or hacksaw.

  • Check on the sides of the aluminum frame where it meets the wall and remove any screws holding the frame in place.

  • Pull the aluminum window frame out of the window.

Tips & Warnings

  • Wear strong work gloves to protect your hands while working with glass to protect from cuts.

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