Our spiral sash balances can be used on timber windows or secondary glazing. See these sash balances for weights below 30lbs. All our spiral balances are sprung in an aluminium tube and offer a 25% mechanical advantage.
In order to purchase the correct size balances for your window, please complete all the information required in our sash balance calculator. If you are unsure, then please contact our sales team for assistance on 01905 791876. Mistakes cannot always be rectified.
- Adjustable balances allow you to adjust the tension for specific weights.
- Allows installers to optimally match the strength of the balances to a broad range of sash weights on site.
- All sash balances are sold in pairs
- For weights between 30-40lbs
- A & B Balances – We recommend routing out a 17mm groove to house the balance










