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How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have traditional sash windows and homeowners are proud of their appearance. However, sash windows can get stuck and be difficult to open or close. This is typically due to moisture that can cause the wood to swell.

Traditionally, window boxes utilized chains, cotton cords or lead weights to operate. Modern sash windows have hidden springs to address this problem.

1. Aesthetics

Timber sash windows, in contrast to PVC-u windows, which are made in imperial sizes that are modular, can be reconstructed to their original dimensions. This lets the restoration be in line with modern energy requirements while ensuring compliance with conservation area regulations. It also offers a window that is far superior to the upvc window repairs near me options.

Sliding sash windows were initially only used in large buildings or public buildings, however this changed as production became cheaper and craftsmen could produce larger frames with more glass. At the end of the 18th century, sash windows had become the most sought-after wooden style in British homes. Sash windows were simple to operate and allowed light to enter rooms without the need for curtains.

Early windows were simple glass, but in the 17th century, sash windows began to become more attractive with coloured glass bars and moulded mullions. They were expensive initially, but as glass production became less expensive and more efficient, they were a common feature in many period houses.

In the 19th century, it became possible to produce large, strong glasses that did not require support bars. This allowed the frame's size to be enlarged more, which in turn meant more of a view out of the window. This was a significant innovation.

The introduction of the double-hung sliding sash was a important improvement that occurred in the I920s and beginning of the I930s. This allowed both the upper and lower sash to be opened at the same time and also improved the ventilation of a building.

The most common type of sash is constructed from slow grown deal (pine) but oak was utilized in more luxurious buildings and in earlier examples. A parting bead separates the two sashes and it is essential that it is well maintained to prevent rattles and draughts. It is also essential that sash pulleys and idler wheels are kept in good working order as they help to operate the window.

2. Energy efficiency

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

The introduction of sashes created the need for a greater variety of ironmongery, including the most basic fittings, brass pulleys as well as lead (and later cast iron) weights, sash stops shutter hinges and knobs, and a range of fasteners used to keep the sashes to their place. They were often decorated with motifs, inscriptions and engravings that identified the maker.

Sash windows can be very energy-efficient with regular maintenance. However, if they are not maintained, they can become drafty and let in cold air. Paint and putty may cause draughts too. You can fix this problem with wood-to-timber products.

The market for replacement windows rests on the belief that traditional windows are rotten and beyond economical repair, while they can be easily maintained with a little attention. Repairs can be expensive and cause lots of disruption to the home. Many homeowners decide to replace their windows using PVC-u from a large "one-stop shop" company for installation. They can replace all windows in a home 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 more energy efficient ratings than a traditional windows made of sash. However, these double-glazed units cannot replicate the section and proportions of traditional timber sashes.

3. Security

It is possible to secure windows that are traditional without compromising their style. Many types of ironmongery are available including sash chains mortice bolts and sash locks. These can be put in place to ensure that the window is still able to be opened to allow ventilation or cleaning. These products are usually minimal in appearance, as they are designed to match the sash window. They can be used with traditional sash window doctor cambridge catches. These should be replaced by more robust versions, such as ones that have double screws or sprung levers, to minimize the possibility of being struck by hammers.

Sash-plastic window repair frames are typically constructed from oak or slow-grown deal. If the glazing bars are in good condition, they should be retained. If it is possible, the timber cills should be replaced with wood that is in line with. Many PVC-U firms offer a one-stop shop installation service. They can take down and replace windows on a complete home in one day, without involving any other tradespeople.

4. Ventilation

When sash windows first introduced in the 17th century, they allowed a substantial amount of light to flood into buildings. In the 18th century, they were modified so that more light could be let into the rooms. Larger glazing panes were also made. The result was a much lighter appearance, and windows with a greater level of elegance than they had before.

Sash windows were introduced that required a brand new range ironmongery. Early pulleys were constructed of wood. Later Victorian ones were made of brass or a mix of wood and leaded. There were also different types of shutter hinges and knobs. These ironmongery pieces should be maintained and cleaned to appreciate their exquisite design.

Timber windows require regular maintenance to keep them in good order. A lack of attention to them regularly could result in:

Sashes that do not move smoothly.

holes in the frame that allow water causing damage and decay.

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

In the I920s and the I930s steel casement windows grew in popularity due to their durability, slim and cheap and also matched the fashion for healthy living. Research has proven that softwood sash window are just as effective as PVC-u windows and can even be more attractive.

The Window seal repairs near me replacement industry has done a great job convincing homeowners that their old windows were rotten drafty, noisy and beyond repair. However, many old windows made of timber are in good condition and with minor repairs can easily be repaired for many years to come.

5. Maintenance

A traditional sash window requires regular maintenance and inspection. Inability to maintain it properly can result in broken sash cords, excessive wear on the glazing bars and the deterioration of putty and paint. The removal of sashes could also cause structural movement in the frame, causing the sash not to close correctly. The sash could also get stuck in the open position, allowing water and draughts to enter the building.

Damage to timber windows is usually caused by moisture penetration. This can be avoided by regular maintenance as well as thorough painting, and then removing the source of dampness. The paint can be removed to reveal the soft, rotting wood. The sections that are rotting should be carefully removed and the affected area should be snared together or glued together by using replacements of the same kind as the timber that remains. This method of repair maximizes the amount of fabric that was originally used and is one of least invasive ways to treat the rot that occurs between timber and timber.

The use of a resin-based wood consolidant is a different option to traditional staining and sanding. This is brushed on the surface of the wood to protect it and stabilize it. It is particularly useful for the treatment of sash and pulley cords, where it can prevent breakage.

It is essential that any ironmongery from the past such as sash stay and latches be kept and restored rather than replaced. These items can be very difficult to replace without damaging the the original design. It is also recommended that modern aluminium fittings like sashlifts and chainstays, be avoided as they can cause corrosion and deterioration of timber frames and sashes.