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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge feature traditional sash window and the homeowners are proud of their appearance. However, sash windows may become stuck and difficult to open or close. This is usually due to moisture which can cause the timber to expand.

Traditionally, windows made of box sash utilised chains or cotton cords and weights made of lead to operate. Modern sash windows have hidden springs to overcome this issue.

1. Aesthetics

Contrary to PVC-u windows which are made according to imperial sizes that are modular Timber sash windows can be restored to their original size. This lets the restoration meet modern day energy requirements while complying with conservation areas regulations. It also offers windows with a superior appearance than the upvc Window And door Repairs alternatives.

Sliding frames for windows made of sash were originally only used for large buildings or public buildings. However, this changed when production became cheaper and artisans could make larger frames using greater glass. By the end of the 18th century, sash windows were the most sought-after wooden style in British homes. Sash windows were simple to operate and let light into rooms without the use of curtains.

The first windows were made of plain 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 costly at first, but as glass production became less expensive and more efficient, they were an integral feature in many period houses.

In the 19th century, it became possible to produce large, strong glasses that didn't require supporting bars. This allowed the frame to be made bigger which, in turn, provided a better view. This was an important advancement.

Another significant improvement was the introduction of the double-hung sliding windows at the end of I920s and the beginning of the I930s. The double-hung sliding sash was a important improvement that came into existence at the end of the I920s, and at the beginning of the I930s.

Oak was used in older examples and more prestigious buildings. It is crucial to maintain the parting bead that separates the sashes. This will help prevent draughts and rattles. It is also crucial that sash pulleys and idler wheels are in good condition as these assist in operating the window.

2. Energy efficiency

Sash windows replaced hinged casements as larger and clearer sheets were made available. They were coated with plate glass that was placed within timber frames with rebates and secured with glazing sprigs and putty on both sides to create a watertight seal. This kind of glass gradually replaced the leaded light bulbs.

Sashes were introduced, which resulted in a greater demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights, sash window repair cambridge stoppers shutter hinges and handles and a variety of fasteners used to fix the sashes. They were often decorated with motifs, inscriptions and engravings that identified the maker.

With regular maintenance, sash windows can be extremely energy efficient. But, if you don't maintain them, they may become drafty and let in cold air. Draughts can also result from the degeneration of putty and paint. It is possible to fix this issue by using wood-to-timber solutions.

The replacement window industry relies heavily on the belief that old windows are damaged beyond repair and cannot be maintained economically. However they can be maintained with a bit of attention. Repairs can be expensive and cause lots of disruption to the home. To avoid this homeowners, many opt for a complete replacement with PVC-u windows from one the many "one-stop shop" installation companies. They can take down and replace all windows in a house within a single day, avoiding the need to coordinate multiple tradesmen and making the entire process much quicker. 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

Traditional windows can be secured without compromising their appearance. Ironmongery, such as mortice bolts, sash chain, and sash lock can be put in place. These can be put in place to ensure that the window is still capable of being opened to allow ventilation or cleaning. These products are often not noticeable since they are designed to work with sash windows. They can be used in conjunction with traditional sash window repair cambridge window catches. These should be replaced with more robust versions like those with double glazing seal repairs screws or spring levers in order to reduce the risk of being hammered.

Sash-window and door repair near me frames are typically made from oak or slow-grown deal. If glazing bars have survived, they should be kept and if it is possible, the timber of the cill should be replaced with the same wood. PVC-u companies often offer a one stop shop installation service that can remove and replacing windows on an entire home in a single day without the need to engage other tradespeople or co-ordinate various visits from different suppliers.

4. Ventilation

When sash windows first introduced in the 17th century they allowed a substantial amount of light into structures. At the end of the 18th century, they were modified to let more light into rooms, and larger glazing panes began to be manufactured. The result was a lighter appearance and windows with more elegance.

The introduction of sash windows also required an entirely new range of ironmongery. Early pulleys were constructed of wood. Later Victorian ones were made of brass or a combination of wood and lead. There were also various kinds of shutter hinges and knobs. These ironmongery pieces should be maintained and cleaned to appreciate their beautiful design.

Timber windows require regular maintenance to ensure they remain in good order. A lack of regular attention could lead to:

Sashes that don't slide effortlessly.

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

break down of putty, allowing water to penetrate, which could cause decay in the frame and cill.

In the I920s and the I930s steel casement windows increased in popularity due to their durability slim and affordable, and complemented the vogue for healthy living. However, research has shown that traditional softwood sash windows can be just as thermally efficient as double-glazed windows made of PVC-u, and can be more attractive than the modern sleek design of casement windows.

The industry of replacement windows has made a significant effort to persuade house owners that their traditional windows are dirty, noisy and beyond economic repair. The truth is that a lot of older windows made of timber are in good shape and with minor emergency upvc door repairs can easily be repaired for many years to be.

5. Maintenance

Traditional sash windows require regular maintenance and inspection. Inability to keep up with this can lead to sash cords breaking, excessive wear on the glazing bars, and degradation of the paint and putty. The removal of the sashes could also result in structural movement within the frame which causes the sash to be misaligned and not closing properly. It is also possible for the sash be stuck or fixed in the open position, which can let water and draughts in the structure.

Moisture penetration is a common cause of damage to windows made of timber. This can be prevented with thorough painting, periodic repairs and the elimination of the source of dampness. The paint can be removed to expose the soft, rotting wood. Any timber that is rotting should be cut out and the affected area carefully wrapped or pieced back using replacements made of the same type of timber as the ones that remain. This method of repair maximises the amount of fabric retained and is one of the least invasive methods for treating decay caused by 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 stabilize it. It is especially beneficial for treating sash and pulley cords, where it can prevent breakage.

It is important that any ironmongery from the past such as sash stays and latches are kept and restored rather than replacing them. It can be difficult to replace these items without compromising their original design. It is also recommended that the use of modern aluminium fittings, such as chain stays and sash lifts is avoided whenever possible as they can cause corrosion and deterioration to timber frames and sashes.