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How to Restore Timber Sash Windows in cambridge replacement windows

Many homes in cambridge windows and doors have traditional sash windows and homeowners are proud of how they look. Sash windows can get stuck and become difficult to open or close. This is typically due to moisture, which can cause the wood to expand.

Traditionally, window boxes utilized chains or cotton cords and weights made of lead to operate. Modern sash window springs are hidden to avoid this issue.

1. Aesthetics

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

Sliding sash windows were originally only used in large buildings or public buildings, though this changed when production became less expensive and craftsmen could make larger frames with more glass. At the close of the 18th century, sash windows were the most popular wooden design in British homes. Sash windows were simple to operate and let light in rooms without the use of curtains.

The first windows were made of plain glass, but by the 17th century sash windows began to become more decorative, with coloured glazing bars and moulded mullions. They were costly at first, but as glass production became less expensive and more efficient, they became a common feature in many homes of the period.

In the 19th century, it became possible to produce large, sturdy glasses that didn't require support bars. This allowed the frame size to be enlarged more, which in turn meant more of a view out of the window. This was a significant innovation.

Another important improvement was the introduction of the double-hung sliding windows at the end of the I920s and beginning of I930s. The double-hung sliding sash was a important improvement that came into existence at the end of the I920s and beginning of the I930s.

The most common type of sash is made of slow-growing deal (pine) however oak was also used in more prestigious buildings and in earlier examples. It is crucial to maintain the separation bead that separates the sashes. This will prevent rattles and draughts. The sash pulleys, idler wheels and sash rollers are crucial to the functioning of the window.

2. Energy efficiency

Sash windows were replaced by hinged casements as larger and clearer sheets were made available. Plate glass was placed in frames of timber that were rebated, then which were pinned with glazing sprigs, and putty was applied to the frame's two sides for watertightness. This kind of glazing gradually superseded led lights.

The introduction of sashes led to the need for a wider range of ironmongery, with the basic fittings being brass pulleys and lead (and later cast iron) weights, sash stops shutter hinges and knobs and a variety of fasteners that secured the sashes in the right place. These were often decorated in designs, inscriptions, and patterns engraved to identify the maker.

Sash windows can be extremely energy efficient if they are maintained regularly. However, if they are not maintained, they can become draughty and let in cold air. Draughts can also be caused by the deterioration of putty and paint. This can be corrected making use of wood-to-timber repair tools that are proprietary.

The market for replacement windows rests on the belief that older windows are old and beyond repair, whereas they are able to be maintained with a bit of care. However, repairs to these windows can be costly and cause substantial disruption to the home. Many homeowners decide to replace their windows using PVC-u from a huge "one-stop shop" company for installation. They can replace and remove all windows in a house within a single day, avoiding the need to coordinate different tradesmen, making the whole process much more efficient. They can also be fitted with 'energy-saving' double-glazing to get greater energy efficiency than those offered by traditional windows made of sash. These double-glazed units are not capable of replicating the proportions or section of historic timber sashes.

3. Security

Traditional windows can be made more secure without compromising their appearance. Ironmongery such as sash chain, mortice bolts, and sash lock can be installed. They can be fitted to ensure that the window remains able to be opened for ventilation or for cleaning. These products are often not noticeable since they are designed to complement sash windows. They can be used in conjunction with traditional sash window catches. They should be replaced by more robust versions, such as ones that have double screws or spring levers, to minimize the risk of being struck by hammers.

Sash-window frames were constructed from slow-growing deal or, in the more prestigious houses they were made from oak. When glazing bars have survived they should be kept, and if it is possible, the timber of the cill should be replaced with matching wood. PVC-u companies often offer a one stop shop installation service that can remove and replacing windows on a complete home in one day, without the need to engage other tradespeople or coordinate visits from different suppliers.

4. Ventilation

Sash windows were first introduced in the 17th century and allowed for a significant amount of light into buildings. By the end of the 18th century, they were adapted to allow more light into rooms and larger glass panes began to be made. The result was a lighter appearance and windows that were more elegant.

Sash windows were introduced, which required a new type of ironmongery. Early pulleys could be made from wood. Later Victorian ones were made of brass or a combination of wood and leaded. There were also various kinds of knobs and shutter hinges. These ironmongery pieces must be maintained and cleaned to appreciate their fine design.

Timber windows require regular maintenance to ensure they remain in good order. A lack of attention to them regularly could result in:

Sashes that do not slide easily.

holes in the frame that admit water that can cause decay and damage.

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

Steel casement windows gained popularity in the I920s & I930s due to their strength and slim, and also because they were cheap and complemented the trend for healthy living. Research has proven that softwood sash windows are just as efficient as PVC-u windows, and may even be more attractive.

The industry of replacement windows has made a significant effort to convince homeowners that their windows are old, dirty, and beyond repair. The reality is that many old windows made of wood are in good shape and, with minor repairs, could easily be serviceable for many years to be.

5. Maintenance

A traditional sash window repairs cambridge requires regular maintenance and inspection. Inability to maintain it properly can lead to sash cords breaking, excessive wear on the glazing bars and the deterioration of putty and paint. The removal of sashes may also cause structural movement within the frame that causes the sash to move out of alignment and in a position that it is not able to close properly. The sash can also be stuck in its open position, allowing water and draughts to enter the building.

The damage to timber windows is often caused by water penetration. This can be avoided with regular repairs by thorough painting and eliminating the cause of dampness. Wet rot is recognisable by the wavy appearance of the paint that can be stripped to reveal soft, rotting wood. The sections of timber that are rotten should be carefully cut out and the affected part should be snared together or glued together with replacements of the exact type as the remaining timber. This method of repair maximizes the amount of fabric left, and is among the least invasive methods for treating decay of timber double glazed windows cambridge to timber.

A wood condenser that is based on resin is an alternative to the traditional sanding or staining. This is brushed on the surface of the wood to protect it and stabilize it. It is particularly useful for treating sash and pulley cords, which can stop breakage.

It is essential that any ironmongery from the past such as sash stay and latches are kept and restored rather than replacing them. It is difficult to replace these items without compromising their original design. It is also recommended that fittings made of aluminum like sashlifts and chainstays, are avoided since they could cause corrosion and deterioration of timber frames and sashes.