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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have sash windows that are traditional and homeowners are proud of the way they appear. Sash windows can get stuck and be difficult to open or close. This is usually due to moisture that can cause the wood to expand.

Box sash windows were previously operated using chains, cotton cords and weights made of lead. Modern sash windows feature hidden springs to solve this problem.

1. Aesthetics

Timber sash windows, in contrast to PVC-u windows that are made in imperial sizes that are modular, can be reconstructed to original dimensions. This allows the restoration to meet modern day energy requirements while complying with conservation area regulations. It also provides a window repairs cambridge that is far superior to the uPVC alternatives.

Sliding sash windows were originally only used in large buildings or public buildings, however this changed as production became less expensive and craftsmen could produce larger frames with more glass repair cambridge. At the end of the 18th century, sash windows were the most popular wooden style in British homes. Sash windows cambridge windows (Read the Full Piece of writing) were easy to operate and let light into rooms without the need for curtains.

The early windows were made of glass that was plain, but in the 17th century, sash windows began to become more attractive. They began with colored glazing bars or mullions. They were expensive at the beginning but as glass production became cheaper and more efficient, they became an integral feature in many period houses.

In the 19th century, it became possible to create large, sturdy glasses that didn't require support bars. This allowed for the frame to be made bigger which, in turn, provided an improved view. This was an important advancement.

Another important improvement was the introduction of the double-hung sliding windows at the end of I920s and at the beginning of 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 commonly used kind of sash is made of slow-growing deal (pine) but oak was also used in more luxurious buildings and in earlier examples. A parting bead separates the two sashes. It is vital that it is well maintained to prevent rattles and drafts. The idler wheels, sash pulleys and sash rollers are vital 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 made of plate glass, set in timber frames with rebates and secured with glazing sprigs, with putty on both sides to make them watertight. This type of glazing gradually superseded the leaded light bulbs.

Sashes were introduced, which resulted in increased demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights, sash stoppers, shutter hinges and handles as well as a variety of fasteners used to secure the sashes. These were often decorated in motifs, inscriptions, and patterns engraved to identify the maker.

With regular maintenance, sash windows can be very energy efficient. If they are not maintained they can get drafty. Putty and paint can cause draughts too. This can be fixed by making use of wood-to-timber repair tools that are proprietary.

The replacement window industry relies on the perception that older windows are old and beyond economical repair, but they can be maintained with just a little 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 "one-stop shop" company for installation. They can take down and replace all the windows in a home in a single day, avoiding the need to coordinate multiple tradesmen and making the entire process much more efficient. They can also be fitted with energy-saving double-glazing to achieve higher energy efficiency ratings than those offered by traditional windows made of sash. However these double-glazed units are unable to duplicate the proportions and section of the sashes made of timber from the past.

3. Security

Traditional windows can be secured without compromising their aesthetics. There are many types of ironmongery that can be fitted, including sash chains, mortice bolts and locks for sash. They can be fitted in a way that the window is open for ventilation or cleaning. They are usually not noticeable since they are designed to work with sash windows. They can be used with traditional sash window catch. These should be replaced by more robust versions like those with double screws or spring levers in order to reduce the chance of being struck by hammers.

Sash-window frames were traditionally constructed from slow grown deal or, in the more elegant homes, from oak. When glazing bars have survived they should be preserved, and where it is possible, the timber of the cill should be replaced by matching wood. PVC-u companies often provide a one-stop shop installation service, which includes removing and replacing windows on an entire home in a single day without the need to involve other tradespeople, or coordinate visits from a number of different suppliers.

4. Ventilation

Sash windows were first introduced in the 17th century and allowed for a significant amount of light to enter buildings. In the 18th century, they had been modified to allow more light could be let into rooms. Larger glass panes were also produced. The result was a more light appearance and windows that were more elegant.

Sash windows were introduced, which required a new type of ironmongery. Early pulleys could be made of wood. Later Victorian ones were made of brass or a combination of wood and leaded. There were also a variety of kinds of shutter hinges and knobs. The ironmongery components should be kept and cleaned to ensure that the exquisite quality of their design can be appreciated.

To ensure they remain in good condition, timber windows need to be maintained. Lack of regular attention may result in:

Sashes that do not slide effortlessly.

holes in the frame allow water causing damage and decay.

break down of the putty and allow water penetration that could lead to decay of the frame and cill.

Steel casement windows became popular in the I920s and I930s because they were strong and slim, cost-effective and matched the trend of healthy living. However, research has proven that traditional softwood sash windows are as efficient in thermal efficiency as PVC-u double-glazed windows, and can be more attractive than the modern sleek design of casement windows.

The industry of replacement windows did a lot to convince homeowners that their old windows were decayed and drafty. They were also beyond the budget for repair. However, many older windows made of timber are in good shape and, with minor repairs, could easily be serviceable for many years to be.

5. Maintenance

Traditional sash windows require regular maintenance and inspection. If you don't maintain your sash window, it could result in the sash cords breaking, and the glazing bars deteriorating excessively. It can also cause the paint and putty to degrade. The removal of 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 could also get stuck in an open position, which allows water and draughts into the property.

Moisture penetration is a common cause of damage to windows made of timber. This can be prevented with thorough painting, periodic repairs and elimination of the source of dampness. Wet rot can be identified by the wavy appearance of the existing paint which can be removed to reveal rotting, soft timber. Any timber that is rotting must be removed and the affected area carefully scarfed or pieced in using replacements made of the same type of timber as the ones remaining. This method of repair maximizes the amount of fabric that is left and is one of the least invasive methods for treating decay of timber to timber.

The use of a resin-based wood consolidant is another alternative to traditional staining and sanding. It is brushed onto the surface of the wood to protect it and stabilize it. It is particularly useful for treating pulley cords and sash where it can prevent breakage.

It is crucial to restore and not replace any historical ironmongery, like stay latches and sash latches. They can be extremely difficult to replace without harming the quality of the original design. It is also recommended that modern aluminium fittings, such as sashlifts and chainstays, are avoided since they can cause deterioration and corrosion of timber frames and sashes.