Real Estate

The Attractiveness Of Box Sash Windows

Like more or less all window in buildings of relatively tradition design, Sash windows are there primarily to let light in and to permit easy ventilations or the room if and when that is required. The definition of “sash” as it applies to windows and what most people understand the word to mean is a window consisting of two frames of glass panes that slide in order to open. Each of these frames is knows as a “sash”.

Because they are fitted into grooves the frames or panels are able to slide independently of each other. Because the grooves for each is separate from the other, the panels can even slide beside each other in a sort of overlap arrangement. Usually they slide up and down, i. E. Vertically. However, occasionally these windows are manufactured to allow for horizontal sliding. This construction is however, quite rare.

Occasionally such windows where each panel has just single large pane are encountered. This is unusual. Most are made up of panels containing an equal number of small panes. These are also called “lights”. These lights are separated one from the other but thin pieces of wood called muntin bars. These muntin bars are themselves fixed to the outer thicker rails.

Each frame is constructed of a top rail, a bottom rail and the side rails called sash styles. The top rail bottom panel’s top rail and the top panel’s bottom rail top one are generally referred to as meeting rails. Together with the muntin bars and the glass itself this whole assembly constitute a sturdy rigid panel that can be safely moved up and down for opening.

A crucial aspect of most traditional sash windows is the “box”. This is where the term “box windows” comes from. On both sides hidden inside the window frame, there are hollow areas roughly the same height as the window itself. Inside this box section are weights. These are usually made of steel or lead. The weights are there to make it easy and safe to lift the heavy panels for opening. Big windows would be impossible to lift without such counter weights.

There is a separate weight for each frame on both sides of the window. A cord (called the sash cord) is attached to the top of each weight. (Occasionally, but less often a chain is used instead of a cord.) This cord is looped over a recessed pulley at the window top and passes down along that sliding grove to be affixed to a sunken groove on the panel’s hidden side. Apart from enabling the easy opening, the weights are just heavy enough to hold the frame open at whatever position the user wishes without the need for any secondary locking device.

For all their ingenuity, these windows are susceptible to unique problems. If they are not painted very carefully, they have a tendency to stick or jam. If they are not fitted correctly they can allow significant drafts into the house. Related to that they tend to rattle in strong winds. All these issue can be put right by a trained window fitter. There are many effective draft proofing systems now available specifically designed for these types of windows. The same systems solve the rattling problem simultaneously.

Despite the few extra problems and maintenance issues, Sash windows are still regarded by many people as the most aesthetically appealing of all windows. There is one important proviso of course. It is that the sash windows should be appropriate to the building’s architecture, in which they are installed.

Sash window restoration London area gives new life to your worn and old windows. Your sash window company has the expertise to improve the look and operation of the windows in your home or business.

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