Introduction
Old windows often have broken sash cords so they won't stay open. Here, we'll show you how to fix them.Family Handyman
Another common way to restore old windows is replacing the sash cords. Connected to weights that sit in cavities on each side of the window, these cords allow you to raise the window and hold it in place so it doesn’t come crashing down.
Over time, these cords wear out, so it’s important to replace them with the correct type of cord. Norbert Rodriguez, owner of Quaint Milwaukee Window Restoration, recommends a 3/8-inch cord unless your older home has extremely heavy windows. If your window is 60 to 80 pounds, go with a 1/2-inch cord or chain.
The two weights already in the sashes are probably the right ones. To double check, weigh the sash by placing it on a scale, then make sure the two weights total that of the sash. So if your sash is 14 pounds, each weight should be seven pounds.
Here’s how to replace a broken sash cord.
