Ups And Downs Of Long Popular Sash Windows
Sash windows, which have been around for something like four hundred years, continue to be the most popular choice for installation on new homes and also for those being remodeled. The name owes to the presence of at least one movable ’sash’, which is the frame (within the frame) responsible for holding the glass panes in place. Another common name for them is ‘hung’ windows.
While having only one moving sash is not uncommon, windows where both panels can operate is much more popular. Most will open with an up and down movement, although horizontally operating openings are also available. The glass panes held within the sashes were traditionally of the single-paned variety but now double and even triple-paned glass can be fitted. Additional layers of glass usually equate to increased energy efficiency.
To make the movement operation of this type of window possible the weight of the moving panel is counter-balanced by a heavy weight concealed within the frame itself. These weights are typically made of lead, cast iron or steel. They are arranged on a pulley system using either chains, ropes or cables. When older windows of this type begin to fail it can often be traced back to a problem with this pulley/weight system as they tend to wear through age and with continued use.
Sometimes hinges are included whereby the movable sash(es) can be locked open and disconnected from the counter-weight system. This makes cleaning the window easier and can also aid in making a quick emergency escape if the need arises. Spring balances are also sometimes used in place of the more common pulley/counter-weight system.
Configurations designed for movement of both sashes within the frame are commonly known as ‘double-hung’ windows. While traditionally constructed of wood, they are now available in other materials including tough, durable PVC (poly vinyl chloride) plastic. These plastic windows are generally less expensive to buy than the wood models and are used widely for new construction and for window replacement.
Speaking of replacement, owners of older homes are often faced with the decision of replacing or repairing existing windows that have become inefficient or nonworking. If possible, repair is usually advisable to replacement. It’s cheaper, generally looks better and can be made to be nearly just as energy efficient.
If you live in an area where window replacement is restricted or your home happens to be ‘listed’ your options are limited. Plastic windows are no doubt taboo. Anyway, the original ones will always LOOK better, especially if you have them professionally reconditioned. They can actually be made to be BETTER than new!
Looking for a company that can help you with inexpensive sash window restoration London? Get the exclusive inside skinny with our complete sash window company overview.
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