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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge feature traditional sash window 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 cords and weights made of lead to operate. Modern sash windows have hidden springs to address this problem.

1. Aesthetics

Timber sash windows, unlike PVC-u windows which are manufactured in imperial sizes, which are modular, can be restored to original dimensions. This lets the restoration meet modern day energy requirements while still complying with conservation regulations for the area. It also provides a window with a far superior appearance than the uPVC alternatives.

Sliding sash window frames were initially intended for large structures or public buildings. However the production became more affordable and artisans could produce larger frames with more glass. In the late 18th century windows made of sash were the predominant wooden style in a majority of British properties. Sash windows were easy to operate and let light into rooms without the need for curtains.

Early windows were plain glass, but by the 17th century, sash windows began to become more attractive with coloured glass bars and moulded mullions. They were expensive at the beginning but as glass production became cheaper and more efficient, they became a common feature in many period houses.

In the 19th century, it became possible to create large, strong glasses that did not require supporting bars. This allowed the frame size to be increased even further and this in turn gave a better view out of the window. This was a significant advancement.

The introduction of the double-hung sliding sash is another important improvement that was made towards the end of the I920s and beginning of the I930s. The double-hung sliding sash was a important improvement that was made at the end of the I920s, and at the beginning of the I930s.

The most popular type of sash is constructed from slow-growing deal (pine) however oak was also used in more prestigious buildings and in earlier examples. It is essential to keep the parting bead which divides the sashes. This will stop draughts and rattles. It is also important that the idler and sash pulley wheels are in good shape as they aid in operating the window doctor.

2. Energy efficiency

As larger and clearer sheets of glass became available, sash windows began replacing hinged casements. They were coated with plate glass that was placed within timber frames with rebates and secured with glazing sprigs, and then putty on both sides to create a watertight seal. This kind of glass gradually replaced leaded lights.

The introduction of sashes resulted in a need for a much wider range of ironmongery, with the most basic fittings being brass pulleys, lead (and later cast iron) weights, sash stoppers, shutter hinges and knobs and a variety of fasteners used to keep the sashes into place. They were often decorated with motifs, inscriptions or designs that were engraved to identify the maker.

Sash windows can be extremely energy efficient when they are maintained regularly. But, if you don't maintain them, they can become draughty and let in cold air. Draughts can also be caused by the breakdown of putty and paint. This can be corrected using proprietary wood-to-timber repair products.

The market for replacement windows rests on the belief that traditional windows are rotten and beyond repair, while they can be easily maintained with a bit of care. However, repairs to these windows are costly and can cause significant disruption to your home. Many homeowners decide to replace their windows with PVC-u from a large "one-stop shop" installation company. They can replace all windows in a house in a single day, saving time and eliminating the need for different tradesmen to coordinate. These windows can be fitted with energy-saving double glazing to get higher energy ratings than the traditional windows made of sash. However, these double-glazed units cannot replicate the section and proportions of traditional timber sashes.

3. Security

It is possible to secure traditional windows without compromising their appearance. Ironmongery, such as mortice bolts, sash chain and sash locks can be put in place. These can be installed in a manner that the window can be opened to allow ventilation and cleaning. These windows are typically not noticeable since they are designed to be used in conjunction with sash windows. They can be used with traditional sash window catches. They are best replaced with more robust models like those with double screws or sprung levers in order to reduce the risk of being hammered.

Sash-window frames are typically made of oak or slow-grown deal. If the glazing bars remain in good condition and are not damaged, they should be left. Where it is possible, the cills of the timber should be replaced with wood that matches. Many PVC-U firms offer a one-stop installation service. They can remove and replace windows on an entire home in one day, without involving other tradespeople.

4. Ventilation

Sash windows were introduced in the 17th Century and allowed for a huge amount of light into buildings. By the end of the 18th century they were adapted to allow more light into rooms, and larger glazing panes began to be produced. The result was a more streamlined appearance, and windows with a greater level of elegance than they had before.

Sash windows were introduced that required a brand new type of ironmongery. Early pulleys were of wood, whereas later Victorian ones could be made from brass or a mixture of wood and lead, and there were many kinds of shutter hinges and knobs. These ironmongery pieces should be maintained and cleaned to appreciate their fine design.

To ensure they remain in good condition, wooden sliding doors cambridge windows require regular maintenance. Inattention to maintenance could lead to:

Sashes that do not slide smoothly.

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

break down of the putty and allow water penetration that could cause decay in the frame and cill.

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

The Window seal replacement near Me replacement industry has made a significant effort to persuade house owners that their old windows are old, dirty, and beyond repair. The reality is that many older timber windows are in good condition and with minor repairs to upvc doors can easily be maintained for years to come.

5. Maintenance

The traditional sash windows require regular maintenance and inspection. Failure to do this could result in sash cords breaking, excessive wear on the glazing bars and the deterioration of putty and paint. The removal of the sashes can also result in 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. It is also possible for the sash be snagged or slammed into an open position and let water and draughts into the structure.

Moisture penetration is a common cause of damage to timber windows. This can be prevented by thorough painting, regular repairs to upvc doors and elimination of the source of dampness. Wet rot is easily identified due to the wavy appearance of the paint that can be removed to reveal soft, rotting wood. Any timber that is rotting should be cut off and the affected area carefully wrapped or pieced back using replacements made from the same kind of timber as those remaining. This method of repair maximizes the amount original fabric and is one of most non-invasive methods to treat the rot that occurs between timber and timber.

A wood condenser that is based on resin is an alternative to traditional staining or sanding. It is brushed on the surface of the timber to stabilize it and protect it from further damage. It is particularly useful to treat sash and pulley cords, where it can prevent breakage.

It is essential to preserve and not replace any old ironmongery, like sash window repair cambridge latches and stays. It can be difficult to replace these items without compromising their original design. It is also recommended that fittings made of aluminum like sashlifts, as well as chainstays, be avoided as they can cause corrosion and deterioration of timber frames and sashes.