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Sash Window Weights

Weights are essential for sash windows, providing balance for smooth operation. Our range includes various weights, sizes, and shapes, such as 38mm & 45mm lead sticks, from 6lb to 32lb, available for next-day delivery. We also offer a bespoke service for custom sizes and weights—please contact our sales team for assistance. Explore our full selection of sash hardware, including sash window cords, pulleys, staff and parting beads, spiral balances, seals, furniture, weights, and restrictors. Additionally, check out other products like friction hinges, window lock keeps, and window restrictors.

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What are sash window weights?

Sash window weights are counterweights used in double-hung sash windows to balance the weight of the window sashes, allowing for smooth opening and closing.

How do I determine the correct weight for my sash windows?

Our weights range in weight from 6lb up to 32lb depending on your needs. It's important for the counterbalance to be heavier than the top sash. Sometimes this requires adding or removing weights (make weights) to achieve the correct balance. This helps to keep the top sash tightly shut without any gaps.

How do you find the weights on a sash window?

Finding the weights is fairly simple. Start by grabbing the sash cord just outside of the pully and pulling it out all of the way. This is how you'll find the top of the pocket cover that needs to be cut for the weights to be added. For cords that are intact, just grab the cord outside of the pulley and give it a pull.

Do all sash windows have weights?

Modern sash windows work with their mechanisms hidden inside the frame, similar to what you would find with a traditional sash window. However, there are some modern sash systems that use a loaded spring mechanism as opposed to a weight and cord. Newer sash windows also will use a torsion balance instead of a counter balance.

Should I use steel or lead sash weights?

Steel sash weights are a modern alternative to traditional lead weights. They offer a cost-effective solution and are suitable for balancing sash windows, particularly in scenarios where space allows for larger weight sizes. Lead sash weights are denser than steel, which means they can achieve the necessary counterbalance with smaller sized weights in a confined sash box space. This makes lead weights advantageous for certain window designs or where weight limitations are critical. Steel weights cover most scenarios as they are more cost-effective and less hazardous compared to lead. Follow our detailed guide for more information.

Are there alternative methods to balance sash windows?

Yes, besides traditional sash weights, spiral balances can also be used to balance sash windows. These alternatives can sometimes be easier to install and adjust.

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