15 Shocking Facts About Sash Windows Cambridge
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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 appear. However, sash windows may get stuck and be difficult to open or close. This is usually due to moisture which can cause the wood to expand.
Box sash windows were previously operated using chains or cotton cords, as well as lead weights. 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 their original size. This allows the restoration to be in line with modern energy requirements while still complying with conservation areas regulations. It also offers a window lock repairs that is far superior to the Upvc Window Renovation options.
Sliding sash windows were initially only found in large buildings or public buildings, though this changed as production became cheaper and craftsmen could make larger frames with more glass. In the 18th century, Sash windows were the most popular wooden style in a majority of British homes. Since they were easy to open, sash windows let light into rooms without the need for curtains.
Early windows were plain glass, but by the 17th century sash windows started to become more decorative, with coloured glazing bars and moulded mullions. These were very expensive at the time but as glass production became more efficient and cheaper they became a feature of many of the period homes.
In the 19th century it was possible to manufacture large, strong glass that did not require supporting bars. This allowed the frame to be made larger which, in turn, provided an improved view. This was a very important innovation.
Another significant improvement was the introduction of the double-hung sliding windows at the end of I920s and at the beginning of the I930s. The double-hung sliding sash was another significant improvement that came about at the end of the I920s, and at the beginning of the I930s.
The most commonly used kind of sash is made of slow-growing deal (pine) however oak was used in the more expensive buildings as well as in some earlier examples. A parting bead is used to separate the two sashes. It is important that this is maintained in order to avoid rattles and draughts. The idler wheels, sash pulleys and sash rollers are crucial to the operation of the window.
2. Energy efficiency
Sash windows replaced hinged cases as larger and clearer sheets were made available. They were glazed with plate glass set in timber frames with rebates and pinned in place using glazing sprigs, and then putty on both sides to ensure they were watertight. This kind of glass gradually replaced led lights.
The introduction of sashes resulted in an need for a wider range of ironmongery, including the most basic fittings, brass pulleys, lead (and later cast iron) weights, sash stoppers, shutter hinges and knobs, and a range of fasteners that secured the sashes to their place. They were often decorated with patterns, inscriptions and engraved patterns to identify the maker.
With regular maintenance, sash windows can be extremely energy efficient. If they are not maintained they can get draughty. Paint and putty may also cause draughts. This can be remedied by making use of wood-to-timber repair tools that are proprietary.
The industry of replacement windows is based on the perception that traditional windows are rotten and beyond economical repair, whereas they can be easily maintained with just a little care. Repairs can be costly and cause lots of disruption to the home. To avoid this homeowners, many 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 one day, thereby saving time and avoiding the need for various tradesmen to coordinate. They are also available with 'energy saving' double-glazing to achieve greater energy efficiency than are possible with traditional windows made of 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 appearance. Ironmongery like sash chain, mortice bolts and sash lock could be put in place. They can be positioned in such a way that the window can still be opened to allow ventilation and cleaning. These products are often discrete since they are made to be used in conjunction with sash windows. They can be used with traditional sash window catches. They should be replaced by more robust models, such as ones that have double screws or sprung levers, to minimize the chance of being struck by hammers.
Sash-window frames are usually made from oak or slow-grown deal. Where glazing bars have survived they should be kept, and, if possible, the timber of the cill should be replaced with matching wood. PVC-u companies typically offer a one stop shop installation service, which includes removing and replacing windows on an entire home in one day, without the need to engage other tradespeople, or coordinate visits from a number of different suppliers.
4. Ventilation
Sash windows were first introduced in the 17th century and allowed for a huge amount of light to be absorbed into buildings. By the end of the 18th century they were adapted to allow even more light into rooms and bigger glazing panes started to be produced. The result was a much more streamlined appearance, and windows with a greater level of elegance than they had before.
The introduction of sash windows also required the creation of a new line of ironmongery. Early pulleys could be made from wood. Later Victorian ones were made of brass or a mix of leaded and wood. There were also various kinds of shutter hinges and knobs. These ironmongery elements should always be kept and cleaned so that the quality of their design can be appreciated.
Timber windows require careful maintenance to ensure they remain in good shape. Inattention to maintenance routinely could cause:
Sashes that do not move smoothly.
holes in the frame that admit water causing damage and decay.
break down of putty allowing water penetration that could cause decay in the frame and cill.
In the I920s and I930s, steel casement windows gained popularity because they were strong slim and inexpensive, and complemented the vogue 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 are more attractive than the sleek lines of modern casement windows.
The industry of replacement windows has made a significant effort to convince homeowners that their traditional windows are old, dirty, and beyond economic repair. Many old windows made of timber can be repaired and utilized for a longer period with minor repairs.
5. Maintenance
The traditional sash windows require regular maintenance and inspection. If you don't maintain your sash window, it can result in the sash cords breaking and the glazing bars wearing out excessively. It can also cause paint and putty degrade. The removal of sashes can also result in structural movement within the frame, which can cause the sash to not close correctly. The sash may also become stuck in the open position, allowing water and draughts to enter the property.
Moisture penetration is the most common cause of damage to timber windows. This can be avoided by thorough painting, regular repairs and elimination of the cause of dampness. Wet rot is easily identified due to the wavy appearance of the existing paint which can be removed to reveal soft, rotting wood. The rotten timber sections must be removed with care, and the affected area should be snared together or pieced together by using replacements of the same type as the remaining timber. This method of repair increases the amount of original fabric left, and is one of the least invasive ways of treating decay caused by timber.
The use of a resin-based wood consolidant is an alternative to the traditional method of sanding and staining. This is brushed onto the surface of the timber to stabilise and protect it from further damage. It is especially useful for the treatment of pulley cords and sash, which can help prevent breakage.
It is crucial that any old ironmongery such as sash stays and latches be kept and rehabilitated instead of being replaced. They can be extremely difficult to replace without harming the quality of the original design. It is also recommended that the use of modern aluminum fittings like sash lifts and chain stays should be avoided if possible as they can cause corrosion and deterioration to frames and sashes made of timber.
Many homes in Cambridge have sash windows with traditional designs and homeowners are proud of the way they appear. However, sash windows may get stuck and be difficult to open or close. This is usually due to moisture which can cause the wood to expand.
Box sash windows were previously operated using chains or cotton cords, as well as lead weights. 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 their original size. This allows the restoration to be in line with modern energy requirements while still complying with conservation areas regulations. It also offers a window lock repairs that is far superior to the Upvc Window Renovation options.
Sliding sash windows were initially only found in large buildings or public buildings, though this changed as production became cheaper and craftsmen could make larger frames with more glass. In the 18th century, Sash windows were the most popular wooden style in a majority of British homes. Since they were easy to open, sash windows let light into rooms without the need for curtains.
Early windows were plain glass, but by the 17th century sash windows started to become more decorative, with coloured glazing bars and moulded mullions. These were very expensive at the time but as glass production became more efficient and cheaper they became a feature of many of the period homes.
In the 19th century it was possible to manufacture large, strong glass that did not require supporting bars. This allowed the frame to be made larger which, in turn, provided an improved view. This was a very important innovation.
Another significant improvement was the introduction of the double-hung sliding windows at the end of I920s and at the beginning of the I930s. The double-hung sliding sash was another significant improvement that came about at the end of the I920s, and at the beginning of the I930s.
The most commonly used kind of sash is made of slow-growing deal (pine) however oak was used in the more expensive buildings as well as in some earlier examples. A parting bead is used to separate the two sashes. It is important that this is maintained in order to avoid rattles and draughts. The idler wheels, sash pulleys and sash rollers are crucial to the operation of the window.
2. Energy efficiency
Sash windows replaced hinged cases as larger and clearer sheets were made available. They were glazed with plate glass set in timber frames with rebates and pinned in place using glazing sprigs, and then putty on both sides to ensure they were watertight. This kind of glass gradually replaced led lights.
The introduction of sashes resulted in an need for a wider range of ironmongery, including the most basic fittings, brass pulleys, lead (and later cast iron) weights, sash stoppers, shutter hinges and knobs, and a range of fasteners that secured the sashes to their place. They were often decorated with patterns, inscriptions and engraved patterns to identify the maker.
With regular maintenance, sash windows can be extremely energy efficient. If they are not maintained they can get draughty. Paint and putty may also cause draughts. This can be remedied by making use of wood-to-timber repair tools that are proprietary.
The industry of replacement windows is based on the perception that traditional windows are rotten and beyond economical repair, whereas they can be easily maintained with just a little care. Repairs can be costly and cause lots of disruption to the home. To avoid this homeowners, many 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 one day, thereby saving time and avoiding the need for various tradesmen to coordinate. They are also available with 'energy saving' double-glazing to achieve greater energy efficiency than are possible with traditional windows made of 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 appearance. Ironmongery like sash chain, mortice bolts and sash lock could be put in place. They can be positioned in such a way that the window can still be opened to allow ventilation and cleaning. These products are often discrete since they are made to be used in conjunction with sash windows. They can be used with traditional sash window catches. They should be replaced by more robust models, such as ones that have double screws or sprung levers, to minimize the chance of being struck by hammers.
Sash-window frames are usually made from oak or slow-grown deal. Where glazing bars have survived they should be kept, and, if possible, the timber of the cill should be replaced with matching wood. PVC-u companies typically offer a one stop shop installation service, which includes removing and replacing windows on an entire home in one day, without the need to engage other tradespeople, or coordinate visits from a number of different suppliers.
4. Ventilation
Sash windows were first introduced in the 17th century and allowed for a huge amount of light to be absorbed into buildings. By the end of the 18th century they were adapted to allow even more light into rooms and bigger glazing panes started to be produced. The result was a much more streamlined appearance, and windows with a greater level of elegance than they had before.
The introduction of sash windows also required the creation of a new line of ironmongery. Early pulleys could be made from wood. Later Victorian ones were made of brass or a mix of leaded and wood. There were also various kinds of shutter hinges and knobs. These ironmongery elements should always be kept and cleaned so that the quality of their design can be appreciated.
Timber windows require careful maintenance to ensure they remain in good shape. Inattention to maintenance routinely could cause:
Sashes that do not move smoothly.
holes in the frame that admit water causing damage and decay.
break down of putty allowing water penetration that could cause decay in the frame and cill.
In the I920s and I930s, steel casement windows gained popularity because they were strong slim and inexpensive, and complemented the vogue 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 are more attractive than the sleek lines of modern casement windows.
The industry of replacement windows has made a significant effort to convince homeowners that their traditional windows are old, dirty, and beyond economic repair. Many old windows made of timber can be repaired and utilized for a longer period with minor repairs.
5. Maintenance
The traditional sash windows require regular maintenance and inspection. If you don't maintain your sash window, it can result in the sash cords breaking and the glazing bars wearing out excessively. It can also cause paint and putty degrade. The removal of sashes can also result in structural movement within the frame, which can cause the sash to not close correctly. The sash may also become stuck in the open position, allowing water and draughts to enter the property.
Moisture penetration is the most common cause of damage to timber windows. This can be avoided by thorough painting, regular repairs and elimination of the cause of dampness. Wet rot is easily identified due to the wavy appearance of the existing paint which can be removed to reveal soft, rotting wood. The rotten timber sections must be removed with care, and the affected area should be snared together or pieced together by using replacements of the same type as the remaining timber. This method of repair increases the amount of original fabric left, and is one of the least invasive ways of treating decay caused by timber.
The use of a resin-based wood consolidant is an alternative to the traditional method of sanding and staining. This is brushed onto the surface of the timber to stabilise and protect it from further damage. It is especially useful for the treatment of pulley cords and sash, which can help prevent breakage.
It is crucial that any old ironmongery such as sash stays and latches be kept and rehabilitated instead of being replaced. They can be extremely difficult to replace without harming the quality of the original design. It is also recommended that the use of modern aluminum fittings like sash lifts and chain stays should be avoided if possible as they can cause corrosion and deterioration to frames and sashes made of timber.
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