How to Restore Timber Sash Windows in Cambridge

Many homes in cambridge double glazing feature traditional sash window repairs cambridge and the homeowners are proud of their appearance. Sash windows can get stuck and are difficult to open and close. This is typically due to moisture that can cause the wood to swell.

Traditionally, box sash windows used chains or cotton cords and weights made of lead to operate. Modern sash windows come with hidden springs to solve this issue.

1. Aesthetics

Timber sash windows, in contrast to PVC-u windows that are made in imperial sizes, which are modular, can be reconstructed to their original size. This allows the restoration of timber sash windows to meet the current energy requirements and conform to conservation regulations for areas. It also provides a window doctor that is far superior to uPVC alternatives.

Sliding sash windows were originally only found in large buildings or public buildings, however the production process was less expensive and craftsmen were able to create larger frames using more glass. At the end of the 18th century, sash windows were the most popular wooden design in British homes. Because they were simple to open, sash windows let light into rooms without the need for curtains.

The first windows were made of glass that was plain However, in the 17th century, sash windows began to become more ornamental. They were initially made of colored glazing bars or mullions. These were very expensive at the time, but as glass production became more efficient and cheaper they were a common feature in many period houses.

In the 19th century, it was possible to create large, sturdy glasses that did not require support bars. This allowed the frame to be enlarged and, in turn, gave the viewer a better view. This was a significant advancement.

The introduction of the double-hung sliding sash is another significant improvement that came about at the end of the I920s and at the beginning of the I930s. The double-hung sliding sash was another important improvement that was made at the end of the I920s and beginning of the I930s.

Oak was used in older examples and more prestigious buildings. It is crucial to maintain the separation bead that is used to separate the sashes. This will prevent draughts and rattles. The idler wheels, sash pulleys and sash rollers also are crucial to the operation of the window doctor.

2. Energy efficiency

Sash windows replaced hinged cases as clearer and larger sheets became available. Plate glass was set into frames made of timber, which were secured with glazing sprigs and putty was then sprayed onto the frame's sides to ensure watertightness. This type of glass gradually replaced the use of leaded lights.

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

Sash windows can be extremely energy-efficient with regular maintenance. But, if you don't maintain them, they can become draughty and let in cold air. Paint and putty can cause draughts too. This issue can be fixed by using wood-to-timber solutions.

The market for replacement windows rests on the belief that older windows are old and beyond economical repair, while they can be maintained with a bit of care. However, repairs to these windows can be expensive and involve considerable disruption to the home. Many homeowners decide to replace their windows with PVC-u from a huge "one-stop shop" company for installation. They can replace all windows in a house in one day, saving time and eliminating the need for multiple tradesmen to coordinate. These windows can be equipped with energy-saving double glazing to get higher energy ratings than traditional windows made of sash. However, these double-glazed units cannot duplicate the proportions and section of the sashes made of timber from the past.

3. Security

Traditional windows can be made secure without compromising their appearance. There are many types of ironmongery that can be installed with sash chains, mortice bolts, and locks for sash. These can be installed to ensure that the window remains open for ventilation or cleaning. They are generally unobtrusive, as they are designed to complement the sash window. They can be used in conjunction with traditional sash window catches. They should be replaced by more robust models, such as those with double screws or sprung levers, to minimize the possibility of being hammered.

Sash-window frames were made from slow-growing deal or, in the more prestigious houses made of oak. If the glazing bars are still intact and are not damaged, they should be left. If it is possible, the timber cills should be replaced by wood that is in line with. PVC-u companies often 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 into buildings. At the end of the 18th century, they were adapted so that even more light could be let into the rooms. Larger glass panes were also created. The result was a more light appearance and windows that were more elegant.

The introduction of sash windows also demanded an entirely new range of ironmongery. Early pulleys could be made out of wood. Later Victorian ones were made of brass or a combination of wood and leaded. There were also a variety of types of shutter hinges and knobs. The ironmongery pieces need to be maintained and cleaned to appreciate their beautiful design.

Timber windows require careful maintenance to keep them in good order. Lack of attention to them regularly could lead to:

sashes that no longer slide smoothly.

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

The putty can be soaked by water and cause decay to the frame or the cill.

Steel casement windows became popular in the I920s & I930s due to their strength and slim, cost-effective and matched the trend towards healthy living. However, research has revealed that traditional softwood sash windows are as efficient in thermal efficiency as double-glazed windows made of PVC-u, and are more attractive than the modern sleek design of casement windows.

The window replacement industry has done a lot to convince homeowners that their old windows are dirty, noisy and beyond economic repair. Many old timber windows can be fixed and utilized for a longer period with minor repairs.

5. Maintenance

The traditional sash windows require regular maintenance and inspection. If you do not 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 sashes can also cause structural movement in the frame, causing the sash to not close correctly. It is also possible for the sash to be stuck or slammed into an open position, which can let water and draughts enter the property.

Moisture penetration is the most common cause of damage to timber windows. This can be avoided with regular maintenance by thorough painting and eliminating the source of dampness. The paint can be removed to expose the soft, decaying wood. Any timber that is rotting should be cut out and the affected part carefully scarfed or pieced in using replacements made from the same type of timber as the ones remaining. This repair method increases the amount original fabric and is among the most non-invasive methods to treat the rot that occurs between timber and timber.

The use of a resin-based wood consolidant is another alternative to the traditional method of staining and sanding. This is brushed on the surface of the wood to protect it and strengthen it. It is especially beneficial to treat pulley cords and sash which can help prevent breakage.

It is crucial that any old ironmongery like sash stays and latches are kept and restored instead of replaced. It can be difficult to replace these items without altering their original design. It is also recommended that the use of modern aluminium fittings like chain stays and sash lifts is avoided if at all possible since they can cause corrosion and damage to timber frames and sashes.