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    Writer : Florene
    Date : 24-09-08 23:36       Hit : 121

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    How to Restore Timber Sash Windows in Cambridge

    Many homes in Cambridge have sash windows that are traditional and the homeowners are proud of their appearance. Sash windows can get stuck and are difficult to open and close. This is usually due to moisture which can cause the wood to expand.

    Window-Repairs.-150x150.jpgTraditionally, box sash windows utilised chains or cotton cord and lead weights to operate. Modern windows with sash springs are concealed to solve this problem.

    1. Aesthetics

    Unlike PVC-u windows that are manufactured according to the modular imperial size, timber sash windows can be restored to their original dimensions. This allows for the restoration of timber sash windows in order to meet the current energy requirements and to comply with conservation area regulations. It also offers a window with a far more attractive appearance than uPVC alternatives.

    Sliding frames for windows made of sash were originally only used in large buildings or public buildings. However this changed as production became more affordable and artisans could create larger frames using more glass. At the end of the 18th century, sash windows were the most popular wooden design in British homes. Sash windows were easy to operate and allowed light to enter rooms without the use of curtains.

    The first windows were made of glass that was plain However, in the 17th century sash windows started to be more decorative. They started with coloured glazing bars or mullions. These were very expensive at the time, but as glass production improved and less expensive, they became a feature of many of the period homes.

    By the 19th century it was possible to make large, strong glass that did not need support bars. This allowed the frame size to be increased even further, which allowed for a wider view from the window repair specialists. This was a significant advancement.

    The introduction of the double-hung sliding sash was another significant improvement that came about in the I920s and at the 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 type of sash is made of slow-growing deal (pine) but oak was used in the more prestigious buildings and in some earlier examples. A parting bead is used to separate the two sashes and it is essential that it is maintained to prevent rattles and draughts. The idler wheels, sash pulleys and sash rollers also are vital to the functioning of the window.

    2. Energy efficiency

    Sash windows were replaced by hinged casements as larger and clearer sheets were made available. Plate glass was set into rebated timber frames, which were pinned with glazing sprigs, and putty was sprayed on the frame's two sides to ensure watertightness. This type of glass gradually replaced the use of leaded lights.

    The introduction of sashes created a need for a much wider range of ironmongery, including the most basic fittings, brass pulleys and lead (and later cast iron) weights, sash stops shutter hinges and knobs and a variety of fasteners to hold the sashes into place. These were usually decorated with designs, inscriptions, and patterns engraved to identify the maker.

    Sash windows can be very energy efficient when they are maintained regularly. If they are not maintained, they can become drafty. Putty and paint can cause draughts too. You can fix this problem by using wood-to-timber products.

    The market for replacement windows is based heavily on the belief that old windows are damaged beyond repair and are not able to be maintained economically. However they can be maintained with a bit of attention. However, repairs to these windows are costly and can cause substantial disruption to the home. Many homeowners choose to replace their windows with PVC-u from a "one-stop shop" installation company. They can take down and replace all the windows in a home in a single day, avoiding the need to coordinate different 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 the traditional windows with sash. These double-glazed units are not able to replicate the proportions and sections of historic timber sashes.

    3. Security

    Traditional windows can be made more secure without compromising their style. Ironmongery such as mortice bolts, sash chain, and sash lock can be used. They can be fitted in such a way that the window repair cambridge can still be opened for ventilation and cleaning. They are usually unobtrusive as they are designed to be used in conjunction with sash windows. They can be used alongside traditional sash window catches and should be replaced with more robust models (such ones with double screws) or spring levers to decrease the chance of them being hammered out.

    Sash-window frames were constructed from slow grown deal or, in the more luxurious homes made of oak. If the glazing bars are still intact and in good condition, they should be kept. If feasible, the cills made of timber should be replaced with wood that matches. Many PVC-u firms provide a one-stop shop installation service. They can take down and replace windows throughout a home in one day, without involving other tradespeople.

    4. Ventilation

    When sash windows first introduced in the 17th century they allowed a significant amount of light to flood into structures. In the 18th century, they had been modified so that more light could be let into the rooms. Larger glazing panes were also made. The result was a more light appearance and windows that were more elegant.

    The introduction of sash windows also necessitated an entirely new range of ironmongery. Early pulleys were of wood, whereas later Victorian ones could be made from brass or a mixture of lead and wood and there were many kinds of shutter hinges and knobs. These ironmongery pieces must be maintained and cleaned to appreciate their fine design.

    To ensure they remain in good shape, timber windows require regular maintenance. Lack of attention to them regularly can result in:

    Sashes that do not move effortlessly.

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

    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 increased in popularity due to their strength, slim and cheap, and complemented the vogue for healthy living. However, research has revealed that traditional softwood sash windows are as thermally efficient as double-glazed PVC-u windows and can be more attractive than the modern sleek design of casement windows.

    The window replacement industry was able to convince homeowners that their old windows were decayed and drafty. They were also beyond the budget for door seal repair near me. Many old windows made of timber can be repaired and used for many more years with minor repairs.

    5. Maintenance

    A traditional sash window requires regular maintenance and inspection. If you do not maintain your sash Window Lock Repairs, it can result in the sash cords breaking, and the glazing bars deteriorating excessively. It could also cause paint and putty become damaged. The removal of sashes can also cause structural movement in the frame, causing the sash to not close properly. It is also possible for the sash to be stuck or slammed into an open position and let water and draughts enter the property.

    Moisture penetration is the most common cause of damage to timber windows. This can be avoided by regular repairs as well as thorough painting, and then removing the source of dampness. The paint can be removed to reveal the soft, decaying wood. Any timber that is rotting should be cut off and the affected area should be carefully wrapped or pieced back using replacements made from the same type of timber as the ones that remain. This method of repair maximizes the amount original fabric and is one of most minimally invasive methods of treating the rot that occurs between timber and timber.

    A wood condenser made of resin is a viable alternative to traditional sanding or staining. This is brushed onto the surface of the wood to stabilize it and shield it from further damage. It is especially useful to treat sash and pulley cords, which can stop breakage.

    It is crucial that any old ironmongery such as sash stays and latches be kept and restored rather than replaced. They can be extremely difficult to replace without compromising the quality of the original design. It is also recommended that the use of modern aluminium casement windows cambridge fittings, such as sash lifts and chain stays is avoided if at all possible since they can cause corrosion and damage to frames and sashes made from timber.

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