How to Install a Sash Chain

A sash chain is part of the operating mechanism for traditional sash and balance double-hung windows. The chain is attached to the sash and the weight that allows the window sash to go up and down. The window sash is the part of the window that opens and closes and frames the panes of glass. Sash chain can be installed as a do-it-yourself project to get your traditional wooden double-hung windows in working order.

Sash chain
Sash chain hook
Metal cutters
Hammer
Nails

Instructions

- 1
  Thread the sash chain over the pulley, and pull it down far enough so that it can be attached to the weight.
- 2
  Attach the sash chain hook to the sash chain and weight so that the end of the chain is attached to the weight.
- 3
  Position the sash at the end of its run in the window frame and pull down the exterior length of chain so that the weight is against the pulley. Lower the weight approximately 1 inch. Hold the chain at this setting and pull it over to the knot pocket in the sash.
- 4
  Hammer a nail through the chain into the sash on the inside of the knot pocket to fasten the sash chain in place. Repeat this process for each window sash that needs a sash chain installed on it.

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