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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 get stuck and be difficult to open or close. This is often due to moisture which can cause the timber to swell.

Traditionally, box sash windows utilized chains or cotton cords and weights made of lead to operate. Modern windows with sash springs are concealed to solve this problem.

1. Aesthetics

Timber sash windows, unlike PVC-u windows, which are made in imperial sizes and are modular, can be reconstructed to original dimensions. This lets the restoration meet the current energy standards while complying with conservation area regulations. It also provides windows that have a more attractive appearance than upvc doors Repairs alternatives.

Sliding sash windows were originally only used in large structures or public buildings, though this changed when production became less expensive and craftsmen could make larger frames with more glass. In the late 18th century sash windows were the dominant wooden design in most British properties. Since they were easy to open, sash windows let light into rooms without curtains.

Early windows were plain glass but by the 17th century sash windows were becoming more decorative, with coloured glazing bars and moulded mullions. They were costly at first, but as glass production became cheaper and more efficient, they were an integral feature in many homes of the period.

In the 19th century, it was possible to produce large, strong glasses that didn't require support bars. This allowed the frame size to be increased even further, which meant more of a view from the window. This was a significant innovation.

The introduction of the double glazed door seal repairs-hung sliding sash is another important improvement that occurred towards the end of the I920s and beginning of the I930s. This allowed both the upper and lower sash to be opened at the same time and gave improved ventilation to a building.

The most popular kind of sash is made from slow-growing deal (pine) however oak was used in the more prestigious buildings and in some earlier examples. It is essential to keep the parting bead which divides the sashes. This will prevent draughts and rattles. It is also essential that sash pulleys and idler wheels are in good working order as they aid in operating the window.

2. Energy efficiency

As clearer and larger glass sheets became available, sash window began to replace hinged casements. Glass plates were set in frames made of timber, which were which were pinned with glazing sprigs, and putty was sprayed on the frame's two sides for watertightness. This type of glazing gradually replaced the leaded light bulbs.

Sashes were introduced, which led to an increase in demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights as well as sash stoppers shutter hinges and handles, and a variety of fasteners used to fix the sashes. These were often decorated with motifs, inscriptions or engravings that identified the maker.

Sash windows can be extremely energy-efficient with regular maintenance. However, without this maintenance they may become drafty and let in cold air. Putty and paint can cause draughts too. This can be corrected using proprietary wood-to-timber repair products.

The market for replacement windows is based heavily on the perception 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 many disruptions in the home. To prevent this homeowners, many prefer to replace their windows with PVC-u windows made by one of the large "one-stop shop" installation companies. They can take down and replace all windows in a home within a single day, eliminating the need to co-ordinate different tradesmen and making the whole process much more efficient. 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. Ironmongery like mortice bolts, sash chain and sash lock could be used. These can be installed in a manner that the upvc window lock repair can be opened for ventilation and cleaning. These are typically not noticeable, since they are designed to fit the sash window. They can be used in conjunction with traditional sash window catches. They are best replaced with more robust models, such as those that incorporate double screws or spring levers to decrease the possibility of being hammered.

Sash-window frames are typically made from oak or slow-grown deal. If the glazing bars are in good condition, they should be retained. If possible, the timber cills should be replaced by timber that is compatible with. Many PVC-U companies offer a one-stop shop installation service. They can remove and replace windows on an entire home in one day, without the need to involve other tradespeople.

4. Ventilation

When sash windows first introduced in the 17th century, they allowed a significant amount of light to flood into buildings. By the end of the 18th century they were adapted to allow more light into rooms, and larger glass panes began to be made. The result was a more streamlined appearance, and windows that had a higher degree of elegance than before.

Sash upvc windows cambridge were introduced and required a new type of ironmongery. Early pulleys were of wood, while later Victorian ones were made from brass or a combination of lead and wood and there were various types of shutter hinges and knobs. Ironmongery elements must be retained and cleaned down so that the fine quality of their design can be appreciated.

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

sashes that no longer slide smoothly.

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

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

Steel casement windows gained popularity in the I920s and I930s because they were strong and slim, and also because they were cheap and complemented the trend for healthy living. However, research has revealed that traditional softwood sash windows are just as efficient in thermal efficiency as double-glazed windows made of PVC-u, and can be more attractive than the sleek lines of modern casement windows.

The replacement window industry has made a significant effort to convince homeowners that their old windows are dirty, noisy and beyond economic repair. However, many old windows made of timber are in good shape and with minor repairs could easily be maintained for years to come.

5. Maintenance

A traditional sash window requires regular maintenance and inspection. Inability to maintain it properly can lead to the sash cords breaking, a lot of wear on the glazing bars and deterioration of paint and putty. The removal of sashes may also cause structural movement in the frame, which can cause the sash to not close properly. The sash can also be stuck in its open position, allowing water and draughts to enter the property.

The damage to timber windows is usually caused by moisture penetration. This can be prevented by regular maintenance as well as thorough painting, and then removing the cause of dampness. The paint can be removed to expose the soft, decaying wood. Any timber that is rotting should be cut off and the affected area should be carefully scarfed or pieced in using replacements made from the same type of wood as the ones remaining. This method of repair maximizes the amount of fabric that was originally used and is one of least invasive ways to treat timber-to-timber rot.

A wood condenser made of resin is an alternative to the traditional sanding or staining. The product is brushed on the surface of the wood to protect it and stabilise it. It is especially useful for the treatment of sash and pulley cords, where it can prevent breakage.

It is essential that any ironmongery from the past like sash stays and latches be kept and restored instead of replacing them. It can be difficult to replace these items without altering their original design. It is recommended that the use of modern aluminum fittings like chain stays and sash lifts is avoided whenever feasible as they could cause corrosion and deterioration to timber frames and sashes.