How to Restore Timber Sash Windows in cambridge double glazing

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

Traditionally, window repair boxes utilized chains or cotton cords and weights made of lead to operate. Modern windows with sash springs are concealed to eliminate this issue.

1. Aesthetics

Timber sash windows, in contrast to PVC-u windows that are made in imperial sizes and are modular, can be restored to their original size. This permits the re-installation of timber sash windows in order to meet the current energy requirements and conform to conservation regulations for areas. It also gives a window with a far superior appearance than the upvc window and door repairs alternatives.

Sliding sash windows were originally only found in large buildings or public buildings, but this changed when production became cheaper and craftsmen could produce larger frames with more glass. In the 18th century, windows made of sash were the predominant wooden design in most British properties. Since they were easy to open, sash windows let light into rooms without curtains.

The first Windows cambridge were made of plain glass, but by the 17th century, sash windows began to become more decorative with coloured glazing bars and moulded mullions. These windows were quite expensive at the time but as glass production improved and cheaper they became a part of many period houses.

In the 19th century, it became possible to make large, sturdy glasses that didn't require supporting bars. This allowed for the frame to be made bigger which, in turn, provided a better view. This was a significant innovation.

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

Oak was used for older examples and for more prestigious buildings. It is essential to keep the separation bead that separates the sashes. This will stop draughts and rattles. The idler wheels, sash pulleys and sash rollers are also essential to the operation of the window.

2. Energy efficiency

As clearer and larger sheets of glass were made available, sash windows began replacing hinged casements. They were glazed with plate glass placed within timber frames with rebates and pinned in place using glazing sprigs and putty on both sides to create a watertight seal. This kind of glass gradually replaced leaded lights.

Sashes were introduced, which led to an increase in demand for ironmongery. The most common fittings included brass pulleys (and later cast-iron) weights, sash stoppers shutter hinges, handles and shutter hinges and various fasteners used to secure the sashes. These were often decorated in designs, inscriptions, and engraved patterns to identify the maker.

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

The replacement window industry relies on the assumption that traditional windows are rotten and beyond economical repair, but they can be maintained with a bit of care. However, these repairs can be expensive and involve substantial disruption to the home. To prevent this, many homeowners opt for a complete replacement with PVC-u windows from one the many "one-stop shop" installation companies. They can replace all windows in a home in one day, thereby saving time and avoiding the need for different tradesmen to coordinate. These windows can be fitted with 'energy-saving' double glazing to achieve higher energy ratings than traditional sash window. However, these double-glazed units cannot replicate the section and proportions of the sashes made of timber from the past.

3. Security

It is possible to secure traditional windows without compromising on their aesthetics. There are many types of ironmongery that are available including sash chains mortice bolts, and sash locks. They can be positioned in a way so that the window is able to be open for ventilation and cleaning. They are usually unobtrusive as they are designed to be used in conjunction with sash windows. They can be used with traditional sash window catch. These are best replaced with more robust versions, such as those that incorporate double screws or sprung levers to decrease the chance of being struck by hammers.

Sash-window frames are usually made of oak or slow-grown deal. If the glazing bars remain in good condition and are not damaged, they should be left. If it is it is possible, the cills of the timber should be replaced with wood that is in line with. Many PVC-U companies offer a one-stop installation service. They can take out and replace windows throughout a house in just one day, without involving any other tradespeople.

4. Ventilation

Sash windows were introduced in the 17th century and allowed for a huge amount of light to enter buildings. At the end of the 18th century, they were modified to allow more light could be let into rooms. Larger glass panes were also produced. The result was a lighter appearance and windows with more elegance.

The introduction of sash windows also demanded an entirely new range of ironmongery. Early pulleys were of wood, whereas later Victorian ones were made of brass or a mixture of wood and lead, and there were a variety of shutter hinges and knobs. Ironmongery elements must be kept and cleaned so that the fine quality of their design can be appreciated.

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

Sashes that don't slide smoothly.

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

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

Steel casement windows became popular in the I920s and I930s due to their strength and slim, and also because they were cheap and matched the trend towards healthy living. However, research has revealed that traditional softwood sash windows can be just as thermally efficient as double-glazed windows made of PVC-u, and are more attractive than the sleek lines of contemporary casement windows.

The replacement window industry has done a great job convincing homeowners that their old windows were decayed and drafty. They were also beyond the budget for repair. However, many older windows made of wood are in good shape and with minor repairs can easily be serviceable for many years to come.

5. Maintenance

A traditional sash window requires regular maintenance and inspection. Inability to maintain it properly could result in broken sash cords, excessive wear on the glazing bars and degradation of the paint and putty. The removal of sashes may also cause structural movement in the frame, causing the sash not to close properly. The sash could also get stuck in an open position, allowing water and draughts to enter the property.

Damage to windows made of timber is often caused by water penetration. This can be prevented by regular repairs as well as thorough painting, and then removing the cause of dampness. The paint can be removed to reveal the soft, decaying wood. Any rotten sections of timber should be cut out and the affected part carefully cut or pieced with replacements made from the same kind of timber as the ones that remain. This method of repair maximizes the amount of fabric used in the first place and is one of most non-invasive methods to treat wood-to-timber rot.

A resin-based wood condenser is an alternative to traditional sanding or staining. It is brushed onto the surface of the wood to protect it and stabilise it. It is particularly useful for treating pulley cords and sash, which can help prevent breakage.

It is crucial to restore and not replace any historic ironmongery, such as sash latches and stays. These items can be very difficult to replace without compromising the the original design. It is also advised that modern aluminium fittings, such as sashlifts and chainstays, be avoided as they could cause corrosion and deterioration of timber frames and sashes.