• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have sash windows that are traditional and 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 swell.

Traditionally, window boxes utilised chains or cotton cord and lead weights to operate. Modern sash windows feature hidden springs to address this issue.

1. Aesthetics

Contrary to PVC-u windows which are manufactured according to the modular imperial size Timber sash windows can be restored to their original size. This allows the restoration to meet modern day energy requirements while still complying with conservation area regulations. It also provides a window with a far superior appearance than the upvc locksmith cambridge alternatives.

Sliding windows with sash were initially only used in large buildings or public buildings. However the production became more affordable and artisans could produce larger frames with greater glass. By the late 18th century sash windows were the dominant wooden windows cambridge style in a majority of British properties. Sash windows were simple to operate and allowed light to enter rooms without the use of curtains.

The first windows were made of clear glass however, in the 17th century the sash windows began to become more ornamental. They started with coloured glazing bars, also known as mullions. They were expensive at the time, but as glass production improved and cost-effective, they became a part of many period houses.

In the 19th century, it was possible to make large, strong glasses that did not require support bars. This allowed the frame size to be increased even further, which meant more of a view from the window. This was a significant advancement.

Another significant improvement was the introduction of the double glazing repairs cambridge-hung sliding window at the end of I920s and at the beginning of I930s. The double-hung sliding sash was another significant improvement that came about at the end of the I920s and beginning of the I930s.

The most popular type of sash is made from slow grown deal (pine) however oak was utilized in more luxurious buildings and in some earlier examples. A parting bead is used to separate the two sashes, and it is essential that it is well maintained to prevent rattles and drafts. It is also crucial that sash pulleys and idler wheels are kept in good condition as these help to operate the window.

2. Energy efficiency

Sash windows replaced hinged cases as clearer and larger sheets were made available. Plate glass was set into frames of timber that were rebated, then which were pinned with glazing sprigs, and putty was applied to the frame's two sides to ensure watertightness. This type of glass gradually replaced the leaded light bulbs.

The introduction of sashes led to the need for a greater variety of ironmongery, including the most basic fittings, brass pulleys and lead (and later cast iron) weights, sash stops shutter hinges, knobs and shutters as well as a range of fasteners to hold the sashes in the right place. These were often decorated with motifs, inscriptions, and designs that were engraved to identify the maker.

With regular maintenance, sash windows are very energy efficient. If they are not maintained, they can become drafty. Putty and paint can cause draughts. This can be corrected using proprietary wood-to-timber repair products.

The replacement window industry relies on the perception that older windows are old and beyond repair, while they are able to be maintained with a bit of care. These repairs can be expensive and cause a lot of disruption in the home. Many homeowners choose to replace their windows using PVC-u from a "one-stop shop" installation company. They can replace all windows in a house in a single day, saving time and avoiding the need for different tradesmen to coordinate. They can also be supplied with energy-saving double-glazing to achieve more energy efficient ratings than are possible with traditional windows with sash. However these double-glazed units are unable to replicate the section and proportions of historic timber sashes.

3. Security

It is possible to secure windows that are traditional without compromising their style. Ironmongery like sash chain, mortice bolts and sash locks can be used. These can be installed in a way so that the window can still be opened to allow ventilation and cleaning. They are generally not noticeable, since they are designed to match the sash window. They can be used in conjunction with traditional sash window catches and must be replaced by more robust versions (such ones with double Glazing repairs near me (scientific-programs.science) screws) or sprung levers to reduce the risk of them being hammered out.

Sash-window frames were traditionally constructed from slow-growing deal or, in the more elegant homes, from oak. If glazing bars have survived, they should be preserved, and, if feasible, the wood of the cill should be replaced with matching wood. PVC-U companies usually offer a one stop shop installation service, removing and replacing windows across a home in one day, without the need to engage other tradespeople or co-ordinate various visits from a number of different suppliers.

4. Ventilation

Sash windows were introduced in the 17th Century and allowed for a large amount of light to be absorbed into buildings. At the end of the 18th century they were altered to allow even more light into rooms, and larger glass panes began to be manufactured. The result was a lighter look and windows with more elegance.

Sash windows were introduced and required a new type of ironmongery. Early pulleys were made out of wood. Later Victorian ones were made of brass or a mix of wood and leaded. There were also different types of shutter hinges and knobs. These ironmongery pieces must be cleaned and preserved to appreciate their exquisite design.

Timber windows require regular maintenance to ensure they remain in good condition. Inattention to maintenance routinely could lead to:

Sashes that don't slide effortlessly.

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 cill.

Steel casement windows were popular in the I920s & I930s because they were sturdy and slim, and also because they were cheap and matched the trend of healthy living. However, research has shown that traditional softwood sash windows are just as efficient in thermal efficiency as double-glazed PVC-u windows and can be more attractive than the sleek lines of modern casement windows.

The industry of replacement windows has made a significant effort to convince homeowners that their old windows are rotten, draughty and beyond repair. The truth is that a lot of older timber windows are in good shape and with minor repairs can easily be repaired for many years to come.

5. Maintenance

The traditional sash windows require regular maintenance and inspection. If you fail to maintain your sash window, it could result in the sash cords breaking and the glazing bars deteriorating excessively. It can also cause paint and putty deteriorate. The removal of the sashes could also result in structural movement within the frame that causes the sash to be misaligned and in a position that it is not able to close properly. The sash may also become stuck in an open position, which allows water and draughts to enter the building.

The damage to timber windows is often caused by water penetration. This can be prevented by thorough painting, regular repairs and elimination of the source of dampness. Wet rot is recognisable by the wavy look of the paint, which can be stripped away to reveal soft, rotting timber. Any timber that is rotting should be cut off and the affected area should be carefully cut or pieced with replacements made of the same type of timber as the ones remaining. This method of repair maximises the amount of fabric left, and is among the least invasive ways of treating decay of timber to timber.

A wood condenser that is based on resin is an alternative to traditional sanding or staining. The product is brushed on to the surface of the wood to stabilise and protect it from further damage. It is particularly beneficial for the treatment of sash cords and pulleys which can help stop breakage.

It is important that any ironmongery from the past such as sash stay and latches be kept and restored instead of replaced. It can be difficult to replace these items without altering their original design. It is also recommended that fittings made of aluminum like sashlifts, as well as chainstays, be avoided as they could cause corrosion and deterioration of timber frames and sashes.