Author Jean Morrison
DIY - Fitting New Sash Cords
A box sash window operates by counter balancing the weight of the sash (the window) against weights attached to a cord and passed over a pulley. Over the years the cord can wear thin and snap. On the face of it, the workings of a sash window are mostly tucked away out of sight. Firstly you need to know the names of the parts that make up a sash window and then you need to know how to remove the outer structure of the window so you can work on the damaged parts. Tread lightly at his point. The less damage you do now to paint work then the less you will have to re-paint when the new cords are in place.
How do I fit new sash cords ?
It is not a major project but it can be quite fiddly doing it on your own. Try to get someone to help you at certain parts of the job, for example when the window's weight needs supporting. Below you will find fact sheets that will tell you how a sash window works and how to remove the outer structure of the window so you can work on the damaged parts. Learn hints on how to do the job easier.
Helpful guidelines can be found here:
THIS OLD HOUSE - Watch a video showing you how it is done
BRICKS AND BRASS -Fitting new sash cords
E HOW - Replacing window channels
SASH STYLE - Re-cording sash windows
OLD HOUSE JOURNAL - A touch of history about spring balances
DIY DOCTOR - Replacing a sash cord
HANDYMAN KNOW-HOW - Detailed photographs of how it is done
SASH WINDOW SPECIALISTS - Details the names of the various parts of a sash window. Short videos also worth watching.