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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 their appearance. However, 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 historically operated using chains or cotton cords, as well as weights made of lead. Modern sash window springs are hidden to solve this problem.

1. Aesthetics

Contrary to PVC-u windows which are made according to the modular imperial size, timber sash windows can be restored to their original size. This allows the restoration of timber sash windows in order to meet current energy requirements and to comply with conservation regulations for areas. It also gives a window with a far more attractive appearance than Upvc locksmith cambridge alternatives.

Sliding sash window frames were initially only used for large buildings or public buildings. However this changed as production became cheaper and artisans could produce larger frames with greater glass. By the late 18th century windows made of sash were the predominant wooden design in most British properties. Because they were simple to open sash windows allowed light into rooms without curtains.

The first windows were made of glass that was plain However, in the 17th century sash windows started to be more decorative. They were initially made of colored glazing bars or mullions. These upvc windows cambridge were quite expensive at the time, but as glass production improved and cost-effective, they were a common feature in numerous period houses.

In the 19th century it was possible to make large, sturdy glass that did not require support bars. This allowed the frame's size to increase further and this in turn gave a better view out of the window. This was an important advancement.

Another important 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 significant improvement that came about at the end of the I920s, and at the beginning of the I930s.

The most popular kind of sash is made from slow grown deal (pine) but oak was used in the more expensive buildings as well as in some earlier examples. It is crucial to maintain the separation bead that divides the sashes. This will prevent rattles and draughts. The idler wheels, sash pulleys and sash rollers are crucial to the operation of the window mechnism repair.

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 within rebated timber frames and pinned in place using glazing sprigs and putty on both sides to make them watertight. This type of glazing gradually replaced the use of leaded lights.

Sashes were introduced, which resulted in a greater demand for ironmongery. The most common fittings included brass pulleys (and later cast-iron) weights, sash stoppers, shutter hinges and handles, and a variety of fasteners to fix the sashes. These were often decorated in patterns, inscriptions and engravings to identify the maker.

Sash windows can be extremely energy-efficient with regular maintenance. However, without this maintenance they can become draughty and let in cold air. 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 replacement window industry relies heavily on the belief that old windows are damaged beyond repair and are not able to be maintained economically. However, they can easily be maintained with a little attention. However, repairs to these windows can be costly and cause substantial disruption to the home. To avoid this homeowners, many choose to replace their windows with PVC-u windows from one of the largest "one stop shop" installation companies. They can replace and remove all the windows in a home within a single day, avoiding the need to coordinate multiple tradesmen and making the entire process much more efficient. These windows can be fitted with 'energy-saving double-glazing to attain higher energy ratings than traditional windows made of sash. However, these double-glazed units cannot replicate the section and proportions of traditional timber sashes.

3. Security

Traditional windows can be made more secure without compromising their appearance. There are many types of ironmongery that can be installed, including sash chains, mortice bolts and sash locks. These can be installed in such a way that the window is able to be opened to allow ventilation and cleaning. These windows are typically not noticeable since they are designed to complement sash windows. They can be used with traditional sash window catch. They should be replaced with more robust versions like those that incorporate double screws or sprung levers to decrease the risk of being struck by hammers.

Sash-window frames were typically constructed from slow-growing deal or, in the more elegant homes, from oak. When glazing bars have survived they should be preserved, and if it is it is possible, the timber of the cill should be replaced with matching wood. PVC-U companies usually offer a one stop shop installation service, which includes 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.

4. Ventilation

Sash windows were introduced in the 17th century and allowed for a significant amount of light into buildings. At the end of the 18th century they were altered to allow more light into rooms and larger glazing panes began to be manufactured. The result was a more light appearance and windows that were more elegant.

The introduction of sash windows also required a new range of ironmongery. Early pulleys were constructed of wood. Later Victorian ones were made of brass or a mix of leaded and wood. There were also a variety of kinds of knobs and shutter hinges. These ironmongery elements should always be kept and cleaned to ensure that the exquisite quality of their design can be appreciated.

Timber windows require regular maintenance to ensure they remain in good condition. A lack of attention to them regularly could result in:

Sashes that do not slide smoothly.

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

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

Steel casement windows gained popularity in the I920s & I930s because they were strong and slim, and also because they were cheap and matched the trend towards healthy living. However, research has revealed that traditional softwood sash windows are as efficient thermally as double-glazed PVC-u windows and can be more attractive than the sleek lines of contemporary casement windows.

The industry of replacement windows has done a great job convincing homeowners that their old windows were decayed, drafty and beyond economical repair. Many old timber windows can be fixed and used for a long time with minor repairs.

5. Maintenance

A traditional sash window requires regular maintenance and inspection. Inability to maintain it properly could result in sash cords breaking, excessive wear on the glazing bars and deterioration of paint and putty. The removal of sashes can also result in structural movement within the frame that causes the sash to become misaligned and in a position that it is not able to close properly. It is also possible for the sash be snagged or fixed in an open position and this can let water and draughts enter the property.

Damage to timber double glazed windows cambridge windows is usually caused by moisture entry. This can be avoided with 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 must be removed with care and the affected area should be snared together or glued together by using replacements of the same type as the remaining timber. This method of repair maximises the amount of fabric that is left and is among the least invasive ways of treating decay caused by timber.

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

It is essential that any historic ironmongery such as sash stays and latches are retained and rehabilitated instead of being replaced. It can be difficult to replace these items without compromising their original design. It is also recommended that the use of modern aluminum fittings, such as chain stays and sash lifts is avoided whenever feasible as they could cause corrosion and damage to frames and sashes made from timber.