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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have sash windows with traditional designs and homeowners are proud of the way they look. Sash windows can get stuck and be difficult to open and close. This is usually due to moisture which can cause the timber to swell.

Box sash windows were traditionally operated using chains or cotton cords, as well as weights made of lead. Modern window springs for sash windows are concealed to solve this problem.

1. Aesthetics

Timber sash windows, in contrast to PVC-u windows which are manufactured in imperial sizes and are modular, can be reconstructed to original dimensions. This lets the restoration be in line with modern energy requirements while ensuring compliance with conservation regulations for the area. It also provides an option that is superior to uPVC options.

Sliding windows with sash were initially only used for large buildings or public buildings. However, this changed when production became less expensive and craftsmen could make larger frames using greater glass. At the close of the 18th century, sash windows had become the most popular wooden windows and doors cambridge design in British homes. As they were easy to open, sash windows let light into rooms without the need for curtains.

Early windows were simple glass, but by the 17th century sash windows were becoming more decorative, with coloured glazing bars and moulded mullions. They were expensive at first, but as glass production became cheaper and more efficient, they were a common feature in many historic homes.

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

Another significant improvement was the introduction of the double-hung sliding windows at the end of I920s and the beginning of I930s. The double glazing near me-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 parting bead that is used to separate the sashes. This will prevent draughts and rattles. The sash pulleys, idler wheels and sash rollers also are crucial to the operation of the window.

2. Energy efficiency

As larger and clearer sheets of glass became available, sash window started replacing hinged casements. Glass plates were set in rebated timber frames, secured with glazing sprigs and putty was applied to both sides of the frame to ensure watertightness. This form of glass gradually replaced leaded lights.

The introduction of sashes resulted in an need for a larger variety of ironmongery with the basic fittings being brass pulleys as well as lead (and later cast iron) weights, sash stops shutter hinges and knobs and a variety of fasteners used to keep the sashes in place. They were often decorated with designs, inscriptions, and engravings to identify the maker.

With regular maintenance, sash windows are very energy efficient. Without this maintenance they can get drafty. Draughts can also be caused by the breakdown of putty and paint. This can be corrected making use of wood-to-timber repair tools that are proprietary.

The market for replacement windows rests on the perception that older windows are old and beyond repair, while they can be easily maintained with just a little care. However, these repairs can be expensive and involve considerable disruption to the home. To avoid this, many homeowners prefer to replace their windows with PVC-u windows from one the largest "one stop shop" installation companies. 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 traditional windows with 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 made more secure without compromising their aesthetics. A variety of ironmongery types can be installed including sash chains mortice bolts and locks for sash. They can be fitted in a manner that the window can be opened for ventilation and cleaning. They are usually unobtrusive as they are designed to complement sash windows. They can be used alongside traditional sash-window catchers and must be replaced by more robust versions (such as those incorporating Double glazing repairs cambridge screws) or spring levers to decrease the risk of them being opened by hammering.

Sash-window frames are typically made from oak or slow-grown deal. If the glazing bars remain intact and are not damaged, they should be left. Where it is possible, the cills of the timber should be replaced with wood that is in line with. PVC-u companies typically provide a one-stop shop installation service, removing and replacing windows on a complete home in a single day without the need to engage other tradespeople or coordinate visits from a number of different suppliers.

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When sash windows were first introduced in the 17th century they allowed a large amount of light into structures. By the end 18th century, they had been modified to allow more light could be let into the rooms. Larger glass panes were also made. The result was a lighter look and windows with more elegance.

The introduction of sash windows also necessitated the creation of a new line of ironmongery. Early pulleys were constructed out of wood. Later Victorian ones were made of brass or a combination of wood and leaded. There were also various types of knobs and shutter hinges. Ironmongery elements must be retained and cleaned down to ensure that the exquisite quality of their design can be appreciated.

Timber windows require careful maintenance to ensure they remain in good shape. Lack of regular attention may cause:

Sashes that do not move smoothly.

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

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

In the I920s and I930s steel casement windows increased in popularity due to their durability slim and inexpensive and were in line with the trend for healthy living. Research has shown that softwood sash windows are just as effective as PVC-u windows, and may even be more attractive.

The window replacement industry has done a lot to convince homeowners that their traditional windows are rotten, draughty and beyond economic repair. The reality is that many old timber windows are in good shape and with minor repairs could easily be serviceable for many years to be.

5. Maintenance

A traditional sash window doctor near me requires regular maintenance and inspection. If you fail to maintain your sash window, it can result in the sash cords breaking, and the glazing bars deteriorating excessively. It could also cause the paint and putty to become damaged. The removal of sashes may also cause structural movement in the frame, which can cause the sash to not close correctly. The sash can also be stuck in its open position, which allows water and draughts into the property.

Moisture penetration is a frequent cause of damage to timber windows. This can be prevented by regular maintenance, thorough painting and removing the cause of dampness. The paint can be removed to expose the soft, rotting wood. The sections of timber that are rotten should be carefully removed, and the affected area should be scarfed or glued together by using replacements of the same nature as the rest of the timber. This method of repair increases the amount of original fabric that is left and is among the least invasive methods for treating decay caused by timber.

A resin-based wood condenser is a viable alternative to traditional staining or sanding. This is brushed onto the surface of the timber to help stabilize it and protect it from further damage. It is especially useful to treat pulley cords and sash where it can prevent breakage.

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