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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge feature traditional sash window and the homeowners are proud of their appearance. However, sash windows can become stuck and difficult to open or close. This is usually due moisture that can cause the wood to expand.

Box sash windows were previously operated with chains or cotton cords, as well as lead weights. Modern sash windows feature hidden springs to overcome this problem.

1. Aesthetics

Unlike PVC-u windows that are constructed to modular imperial sizes Timber sash windows can be restored to their original sizes. This allows for the restoration of timber sash windows in order to meet current energy requirements and comply with conservation area regulations. It also gives a window with a far superior appearance than uPVC alternatives.

Sliding sash windows were originally only found in large buildings or public buildings, though this changed when production was less expensive and craftsmen were able to produce larger frames with more glass. By the late 18th century Sash windows were the most popular Wooden Window Repair style in a majority of British properties. Sash windows were easy to operate and allowed light to enter rooms without the use of curtains.

The first windows were made of plain glass but by the 17th century sash windows were becoming more decorative, with coloured glazing bars and moulded mullions. They were expensive at the time but as glass production improved and less expensive, they became a feature of many period houses.

In the 19th century, it was possible to produce large, sturdy glasses that did not require support bars. This allowed the frame's size to be increased even further and this in turn allowed for a wider view from the window. This was an important innovation.

The introduction of the double-hung sliding sash was a significant improvement that came about in the I920s and beginning of the I930s. This allowed both the upper and lower sash to be opened simultaneously, and gave improved ventilation to a building.

Oak was used for older examples and for more prestigious buildings. A parting bead separates the two sashes. It is important that this is maintained in order to avoid rattles and drafts. The sash pulleys, idler wheels and sash rollers are also crucial to the operation of the window.

2. Energy efficiency

As larger and clearer glass sheets became available, sash windows began to replace hinged casements. Plate glass was set into frames of timber that were rebated, then pinned with glazing sprigs and putty was sprayed on the frame's two sides to ensure watertightness. This type of glazing gradually superseded leaded lights.

The introduction of sashes resulted in an need for a wider range of ironmongery, including the most basic fittings, brass pulleys as well as lead (and later cast iron) weights, sash stops shutter hinges, knobs and shutters and a variety of fasteners that secured the sashes into the right place. These were often decorated with motifs, inscriptions or engravings that identified the maker.

Sash windows can be extremely energy-efficient with regular maintenance. However, without this maintenance they can become drafty and let in cold air. Paint and putty may also cause draughts. You can fix this problem by using wood-to-timber products.

The industry of replacement windows cambridge windows relies heavily on the belief that old windows are beyond repair and are not able to be maintained economically. However they can be maintained with a bit of attention. However, these repairs can be costly and cause significant disruption to your home. Many homeowners choose to replace their windows with PVC-u from a "one-stop shop" company for installation. They can replace all windows in a home in one day, saving time and eliminating the need for various tradesmen to coordinate. They can also be supplied with energy-saving double-glazing to achieve greater energy efficiency than are possible with traditional windows with sash. These double-glazed windows aren't capable of replicating the proportions or section of historic timber sashes.

3. Security

Traditional windows can be secured without compromising their aesthetics. Ironmongery such as sash chain, mortice bolts and sash lock could be used. They can be positioned in a way so that the window can still be open for ventilation repair cambridgeshire and cleaning. They are generally minimal in appearance, as they are designed to complement the sash window. They can be used in conjunction with traditional sash window supplier cambridge catch. These are best replaced with more robust versions, such as ones that have double screws or sprung levers in order to reduce the possibility of being struck by hammers.

Sash-window frames were made from slow-growing deal or, in more prestigious houses, from oak. If the glazing bars are still intact, they should be retained. If possible, the timber cills should be replaced with wood that matches. Many PVC-U companies provide a one-stop shop installation service. They can take down and replace windows on an entire home in one day, without the need to involve other tradespeople.

4. Ventilation

Sash windows were introduced in the 17th century and allowed for a large amount of light into buildings. At the end of the 18th century, they were modified to let more light into rooms, and larger glazing panes began to be produced. The result was a lighter appearance and windows that were more elegant.

The introduction of sash windows also demanded a new range of ironmongery. The first pulleys were made of wood, while later Victorian ones could be made from brass or a combination of wood and lead, and there were many kinds of shutter hinges and knobs. These ironmongery elements should always be retained and cleaned down so that the quality of their design can be appreciated.

To ensure they remain in good condition, timber windows require regular maintenance. Lack of regular attention may result in:

Sashes that do not slide easily.

Holes in the frame which allow water to enter and cause damage and decay.

break down of putty, allowing water penetration that could lead to decay of the frame and cill.

In the I920s and the I930s steel casement windows gained popularity due to their durability slim and inexpensive and also matched the fashion for healthy living. However, research has proven that traditional softwood sash windows are as efficient in thermal efficiency as double-glazed PVC-u windows and may be more appealing than the sleek lines of modern casement windows.

The industry of replacement windows has made a significant effort to persuade house owners that their old windows are dirty, noisy and beyond economic repair. The reality is that many old windows made of wood are in good condition and with minor repairs can easily be serviceable for many years to be.

5. Maintenance

Traditional sash windows require regular maintenance and inspection. Inability to keep up with this can result in sash cords breaking, excessive wear on the glazing bars, and degradation of the paint and putty. The removal of the sashes could also result in structural movement within the frame which causes the sash to become misaligned and not closing properly. It is also possible for the sash be snagged or fixed in an open position and let water and draughts into the property.

The damage to timber windows is often caused by water penetration. This can be prevented by regular maintenance as well as thorough painting, and then removing the cause of dampness. The paint can be removed to expose the soft, decaying wood. The sections of timber that are rotten must be removed with care, and the affected area should be scarfed together or glued together by using replacements of the same type as the remaining timber. This method of repair increases the amount of original fabric that is left and is one of the least invasive ways of treating decay caused by timber.

A wood condenser that is based on resin is a viable alternative to traditional staining or sanding. This is brushed onto the surface of the timber to stabilise and protect it from further damage. It is especially useful for treating pulley cords and sash, which can stop breakage.

It is essential to preserve and not replace any old ironmongery, like the sash latches and stays. These items are difficult to replace without compromising the quality of the original design. It is also advised that fittings made of aluminum, such as sashlifts and chainstays, are avoided since they can cause deterioration and corrosion of timber frames and sashes.