Lead window weights are becoming increasingly popular with contractors. Compared to steel, they are almost half the size, reducing the space required for storage and use. In addition, they are rustproof and can be cut to size on site if required.
Traditional sliding windows are balanced by sash weights hanging in boxes on the side of the window. Traditionally, the weights were made of lead, but in the Victorian era, cast iron became a more popular choice as it was easier to obtain and cheaper.
Made of solid steel, they are built to last. Used to attach chains to weights with a hole through the center running top to bottom. When hanging sash weights for double hung windows, our 5/16 inch ferrules are used to attach a loop to the end of the sash cord.
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window weights, sash weights and vintage pulley weights
A sash window or hung sash window consists of one or more moveable panels or “sashes”. The individual wings are traditionally glazed windows but may now contain a single pane of glass (or panes in the case of double glazing).
In the early 18th century, a system of pulleys, ropes and weights was gradually standardized in the design of the entire window. This pulley system makes it possible to balance the weight of the wings, making them easier to open.
As the name suggests, however, cast iron is only for casting; it cannot be faked. In addition, cast iron, although excellent in castability and achieving the shape dictated by the mold, cannot be reliably welded due to its higher carbon content, resulting in a brittle weld.
For a casement less than 12 lbs. counterweights can vary in weight by half a pound from the sash weight. For casements weighing over 12 pounds, the difference should be one pound difference.
Traditionally all sash windows were operated with cast iron weights. A 98mm sash box is built into each side of the window to house the weights. This is then attached to a length of sash cord that runs over a pulley in the top corners of the window and attaches to the sash to be moved.
n. (building) a weight used to counterbalance the weight of a sash in a sash, thus holding it in position at any height.< /p>
Definition of sash weight
: an iron rod or cylinder attached to a window sash as a counterweight.
The frame holds the window in place. This keeps the window secure in the wall and adds a bit of style. There are several parts to the frame: The head is the top horizontal part of the frame. The vertical boards between the head and the sill are the posts.
The sash is the moving part of a window, consisting of the vertical and horizontal frames that hold the glass.
Adjust bottom sash
The balance keeps the window open. So remove the tilt latches at the top of the bottom wing and tilt it until it’s horizontal. Now you should tilt your bottom sash outward so you can realign the bottom of your window with the leveling shoe, which will keep it up.