FAQ: What Are Spiral Balances?

Spiral balances are spring mechanisms that regulate the operation of the window. They are distinguished from other balances by their use of a hand-wound spiral rod that extends from a tube. This rod applies tension to the spring, which allows it to keep the sash up when raised.

How does a spiral balance work?

Spiral window balances aid in opening windows, as well as holding windows open by utilizing a spiral-shaped rod within a tube. This rod connects to a spring, which is what provides the tension for supporting the sash.

How long do spiral balances last?

Replacement window spiral balances are engineered to last about 5000 cycles.

What are window balances?

A window balance is a somewhat hidden window component sitting inside the window frame. It’s only found in double hung or single windows and assists you with the weight of the sash as you open and close your windows. They also hold the top sash of double hung windows closed while they’re not in use.

How long do window balances last?

How do you know if a window balance needs to be replaced? Window balances can remain in good working order for a long time, often as much as ten years or more. However, they will eventually fail and need replacing.

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How do spiral sash windows work?

Each side of the window sash is connected to the rod of the balance at the bottom corner. The spiral rod is rotated until the proper tension is achieved to smoothly raise and lower the window. Too much tension can make the window sash difficult to operate while too little tension will cause the sash to fall.

How do you adjust a spiral balance on a non tilt window?

How to adjust a spiral balance on a non-tilt window

  1. Pull down window sash.
  2. Insert balances in top of the sash groove with attaching bracket end down.
  3. Attach balance with screw in center of sash run so the top end of balance is against the header of the master frame.
  4. Prop sash up with a stick.

What is a ballast on a window?

Traditional double-hung windows operate by way of a sash and balance system. This is sometimes called a sash and ballast system, because the sash is counterbalanced by a weight. It provides easy access to the sash cord and balance.

What are double-hung windows?

Double-Hung windows have two operating sash that move up and down allowing for ventilation on the top, bottom or both. Single-Hung windows allow ventilation through a single operable lower sash. Both offer easy cleaning from inside your home and remain flush with the wall, making them ideal for patios or walkways.

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