Are Replacement Windows Smaller Than Original?

The article discusses the difference between full-frame replacement windows and insert replacement windows. The article explains that replacement windows are typically smaller than the original windows to ensure a tight fit. Full-frame replacement windows are windows designed to replace the entire window, including the frame, while insert windows are windows inserted into existing frames. The article lists the advantages and disadvantages of each type of replacement window and suggests factors to consider when choosing between them, such as the condition of existing window frames and the type of window desired.