door frames, screens, glass, or window sills. [ INSTALL AND FORGET ] The 100% clear anti scratch door protector will go unnoticed. Apply it on usual doors, metal doors, or use it as a window sill ...
Note that the replacement sashes must fit perfectly into the existing frame. If they don’t, you could end up with poor efficiency. Typically, retrofitting costs $100 to $400 per window for labor ...