How to Replace or Retrofit Windows
The decision of whether to replace or retrofit windows depends a lot on the condition of the window casing and frame itself. While retrofitting is less expensive, a badly damaged window frame will require a complete replacement. Fortunately, either process can be done by following a few simple steps.
When faced with the task of doing something to revitalize the windows in your home, there are two choices. You can choose to replace or retrofit windows that are no longer in good working order. Both approaches will result in windows that are more functional and also more practical, leaving the decision mainly one of how much you can spend on the project.
Things You Need
- Crowbar
- Hammer and Nails
- Measuring Tape
- Saw
- Insulation
- Window Trim
- Assess the condition of your window frames. One critical factor when choosing between replacing and retrofitting windows is whether the basic frame is still solid. If so, then retrofitting is an option. If not, you will need to replace both the frame and the sashes with new construction.
- Measure the window frame. Use the measuring tape to determine the length width, and height of the space that must be filled. Record those measurements, then purchase prefabricated windows that will fit into the space.
- Remove the old sashes. Use the crowbar to remove the supports and guides for the sashes, and lift them out of the frame. This will provide an open space that is ideal for retrofitting, or you can move on to removing the frame itself for the insertion of new window construction.
- Slide the retrofitted window into the existing frame. When this is the option, position the new window in the existing frame, taking care to make sure it is level. Secure the frame into position with the hammer and nails, and then fill any gaps with insulation. You can then replace the trim work around the window with ease.
When you must replace the entire window, follow this process:
- Replace any deteriorated sections of the framing as necessary, using the saw to cut pieces the right size. Slide them into position and secure with the hammer and nails. This is also the time to build up the framing if you were not able to purchase prefabricated window frames that were an exact fit.
- Slide the window casing and framing into position, making sure that everything is even and level. Secure with the hammer and nails, and then fill in any gaps with insulation.
- Install the window sashes into the new casing. Follow the instructions that come in the prefabricated kit. Once the sashes are in place, make sure the sashes will slide with ease in the casing while also maintaining a snug fit.
- Cover the exterior area around the window frame. Use trim and molding to cover the construction. Paint the area so the trim matches the rest of the trim work on the inside and outside of the space.