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Balance Systems for Sash Windows

For a vertical sliding sash to stay in an open position a counter-balance is required.  Let’s take a look at the options that have been developed.

 TRADITIONAL WEIGHT AND CORD

The traditional box sash window uses a steel weight, attached to a cord, passed over a pulley and fixed to the glazed sash frame. The weights are not visible as they are suspended within the window frame.  Any increase in weight, such as changing the glass, requires the weights to be re-balanced with lead weights.

  • The original and still the best system -when correctly set-up.
  • The momentum of the weights allows the sash to glide.
  • Time proven, simple system.

SPIRAL & SPRING BALANCE 

TAPE BALANCE (ACME Balance, Pullman Coils )

TILT AND SLIDE (JAMB LINERS)

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