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How to Restore Timber Sash Windows in Cambridge

Many homes in cambridge replacement windows have sash windows that are traditional and the homeowners are proud of their appearance. However, sash windows may become stuck and difficult to open or close. This is typically due to moisture which can cause the wood to swell.

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

Contrary to PVC-u windows which are constructed to modular imperial sizes the timber sash windows are able to be restored to their original sizes. This allows the restoration of timber sash windows to comply with current energy standards and to comply with conservation area regulations. It also comes with a window that is far superior to the upvc window renovation options.

Sliding frames for windows made of sash were originally intended for large structures or public buildings. However the production became less expensive and craftsmen could make larger frames using larger glass. In the late 18th century sash windows were the dominant wooden style in a majority of British homes. Since they were easy to open, sash windows let light into rooms without curtains.

Early windows were simple glass, but in the 17th century, sash windows began to become more decorative with coloured glazing bars and moulded mullions. They were costly at first, but when glass production became less expensive and more efficient, they became commonplace in many homes of the period.

In the 19th century, it was possible to manufacture large, strong glass that did not need support bars. This allowed the frame's size to be increased even further and this in turn meant more of a view out of the plastic window repair. This was a significant innovation.

The introduction of the double-hung sliding sash was a important improvement that was made in the I920s and at the beginning of the I930s. This allowed both the upper and lower sash to be opened at the same time and also improved the ventilation of the building.

Oak was used in older examples and for more prestigious buildings. It is crucial to maintain the parting bead which divides the sashes. This will help prevent draughts and rattles. It is also crucial that the idler and sash pulley wheels are kept in good condition as these assist in operating the window.

2. Energy efficiency

Sash windows replaced hinged cases as larger and clearer sheets were made available. Plate glass was placed in frames made of timber, which were secured with glazing sprigs and putty was sprayed on the frame's two sides for watertightness. This type of glass gradually replaced the use of leaded lights.

Sashes were introduced, which led to increased demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights, sash stoppers shutter hinges and handles, and various fasteners used to secure the sashes. They were often decorated with motifs, inscriptions and engraved patterns that identified the maker.

With regular maintenance, sash windows can be very energy efficient. However, if they are not maintained, they can become drafty and let in cold air. Draughts can also be caused by the deterioration of putty and paint. This can be fixed by making use of wood-to-timber repair tools that are proprietary.

The replacement window industry relies on the perception that old windows are damaged and beyond repair, while they can be maintained with a bit of care. However, repairs to these windows can be expensive and involve significant disruption to your home. Many homeowners choose to replace their windows using PVC-u from a large "one-stop shop" installation company. They can replace all windows in a home in a single day, saving time and avoiding the need for different tradesmen to coordinate. They are also available with 'energy-saving' double-glazing to get more energy efficient ratings than are possible with traditional windows made of sash. However these double glazing repairs near me-glazed units are unable to duplicate the proportions and section of historic timber sashes.

3. Security

It is possible to secure traditional windows without compromising their appearance. Many types of ironmongery can be installed, including sash chains, mortice bolts and sash locks. These can be installed to ensure that the window is capable of being opened for ventilation or for cleaning. These products are usually unobtrusive, as they are designed to match the sash window. They can be used with traditional sash window catches. They should be replaced with more robust versions, such as ones that have double glazed door seal repairs screws, or sprung levers in order to reduce the risk of being struck by hammers.

Sash-window frames are traditionally made of oak or slow-grown deal. Where glazing bars have survived they should be preserved, and where it is possible, the timber of the cill should be replaced with identical wood. PVC-u companies often offer a one stop shop installation service, removing and replacing windows on a complete home in one day, without the need to engage other tradespeople or co-ordinate various visits from different suppliers.

4. Ventilation

Sash windows were first introduced in the 17th century and allowed for a huge amount of light to enter buildings. By the end of the 18th century they were modified to let more light into rooms, and bigger glazing panes started to be made. The result was a much lighter appearance and windows with a greater level of elegance than they had before.

Sash windows were introduced and required a new range ironmongery. Early pulleys could be made of wood. Later Victorian ones were made of brass or a mixture of wood and leaded. There were also different types of knobs and shutter hinges. These ironmongery elements should always be maintained and cleaned so that the quality of their design can be appreciated.

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

Sashes that do not slide easily.

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

Water can penetrate the putty and cause decay to the frame or cause cill.

Steel casement windows became popular in the I920s & I930s because they were strong and slim, cheap and matched the trend towards healthy living. Studies have shown that softwood sash windows are just as efficient as PVC-u windows and can even be more attractive.

The window replacement industry was able to convince homeowners that their old windows were rotten drafty, noisy and beyond repair. Many old timber windows are repairable and can be utilized for a longer period with minor repairs.

5. Maintenance

The traditional sash windows require regular maintenance and inspection. Inability to maintain it properly can result in sash cords breaking, excessive wear on the glazing bars, and the deterioration of putty and paint. The removal of sashes may also result in structural movement within the frame, causing the sash to not close properly. It is also possible for the sash to be stuck or slammed into an open position and let water and draughts enter the structure.

Moisture penetration is a common cause of damage to timber windows. This can be prevented with careful painting, regular repairs, and removing the source of dampness. Wet rot is easily identified by the wavy appearance of the paint, which can be stripped away to reveal soft, rotting timber. Any rotten timber sections should be cut out and the affected area carefully wrapped or pieced back using replacements made of the same type of wood as the ones remaining. This method of repair increases the amount of original fabric left, and is among the least invasive methods for treating decay caused by timber.

The use of a resin-based wood consolidant is another alternative to traditional staining and sanding. It is brushed onto the surface of the wood to protect it and stabilise it. It is particularly useful for the treatment of pulleys and sash cords which can help prevent breakage.

It is important that any historic ironmongery such as sash stays and latches are retained and restored instead of replacing them. It can be difficult to replace these items without compromising their original design. It is also recommended that the use of modern aluminum fittings such as sash lifts and chain stays is avoided if at all feasible as they could cause corrosion and deterioration to frames and sashes made from timber.