Full Frame vs Pocket Window Replacement: Which Is Better?
What Each Replacement Method Actually Changes A full frame replacement removes the entire existing window unit, including the frame, sash, and often the trim back to the rough opening, so the installer can inspect what is behind it. A pocket window replacement, sometimes called an insert replacement, keeps the existing frame in place and sets a new window inside it. This choice affects fit, energy performance, water resistance, and how long the finished job will la