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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 how they appear. Sash windows can become stuck and be difficult to open and close. This is usually due moisture, which can cause the wood to expand. Box sash windows were previously operated using chains, cotton cords and lead weights. Modern sash window springs are hidden to avoid this issue. 1. Aesthetics Unlike PVC-u windows that are manufactured according to imperial sizes that are modular, timber sash windows can be restored to their original sizes. This allows the restoration to be in line with modern energy requirements while still complying with conservation regulations for the area. It also provides a window with a far more attractive appearance than uPVC alternatives. Sliding sash windows were originally only used in large structures or public buildings, but the production process was less expensive and craftsmen were able to make 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 easy to operate and allowed light to enter rooms without the need for curtains. Early windows were simple glass, but by the 17th century, sash windows started to become more attractive with coloured glass bars and moulded mullions. These windows were quite expensive at the time, but as glass production improved and cost-effective, they were a common feature in many period houses. In the 19th century it was possible to create large, strong glass that did not need supporting bars. This allowed the frame's size to increase further, which gave a better view out of the window. This was an important innovation. window doctor near me was the introduction of the double-hung sliding window at the end of I920s and the beginning of the I930s. This allowed both the lower and upper sash to be opened simultaneously and gave improved ventilation to a building. Oak was used for older and more luxurious buildings. A split bead divides the two sashes, and it is essential that it is maintained in order to avoid rattles and drafts. It is also essential that sash pulleys and idler wheels are in good condition as these aid in operating the window. 2. Energy efficiency Sash windows were replaced by hinged casements as clearer and larger sheets were made available. Glass plates were set in frames made of timber, which were secured with glazing sprigs and putty was applied to the frame's sides to ensure watertightness. This type of glazing gradually replaced the leaded light bulbs. Sashes were introduced, which led to increased demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights, sash stoppers shutter hinges and handles as well as various fasteners used to secure the sashes. They were often decorated with motifs, inscriptions and engravings that identified the maker. Sash windows can be very energy efficient if they are maintained regularly. But, if you don't maintain them, they can become draughty and let in cold air. Draughts can also be caused by the deterioration of paint and putty. This issue can be fixed with wood-to-timber products. The industry of replacement windows is based on the belief that traditional windows are rotten and beyond economical repair, while they can be maintained with a little attention. These repairs can be costly and cause lots of disruption to the home. Many homeowners choose to replace their windows using PVC-u from a “one-stop shop” company for installation. They can replace all windows in a house in one day, thereby saving time and eliminating the need for various tradesmen to coordinate. These windows can be fitted with energy-saving' double glazing to achieve more energy efficient ratings than a traditional sash window. However, these double-glazed units cannot replicate the section and proportions of the sashes made of timber from the past. 3. Security Traditional windows can be secured without compromising their aesthetics. Many types of ironmongery can be installed, including sash chains, mortice bolts, and locks for sash. These can be put in place so that the window is still able to be opened to allow ventilation or cleaning. These windows are typically 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 like those that incorporate double screws or spring levers in order to reduce the possibility of being struck by hammers. Sash-window frames are typically constructed from oak or slow-grown deal. When glazing bars have survived they should be kept and, if feasible, the wood 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 house in a day without the need to engage other tradespeople, or coordinate visits from 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. At the end of the 18th century they were altered to allow even more light into rooms, and bigger glazing panes started to be made. The result was a much lighter appearance and windows with a greater degree of elegance than before. Sash windows were introduced that required a brand new range ironmongery. Early pulleys were of wood, while later Victorian ones were made of brass or a combination of lead and wood and there were a variety of shutter hinges and knobs. These ironmongery pieces should be cleaned and preserved to appreciate their fine design. To keep them in good condition, timber windows need to be maintained. Inattention to maintenance can lead to: Sashes that do not slide easily. holes in the frame that allow water that can cause decay and damage. The putty can be soaked by water and cause decay to the frame or cill. In the I920s and the I930s steel casement windows increased in popularity due to their strength slim and inexpensive, and complemented the vogue for healthy living. However, research has shown that traditional softwood sash windows are just as efficient thermally as double-glazed PVC-u windows and may be more appealing than the modern sleek design of 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 older timber windows can be fixed and used for a long time with minor repairs. 5. Maintenance The traditional sash windows require regular maintenance and inspection. Inability to keep up with this can result in broken sash cords, excessive wear on the glazing bars and deterioration of paint and putty. The removal of the sashes may also cause 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 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 prevented by regular maintenance, thorough painting and removing the cause of dampness. The paint can be removed to expose the soft, rotting wood. Any timber that is rotting must be removed and the affected part carefully scarfed or pieced in using replacements made of the same type of wood as the ones remaining. This method of repair maximizes the amount original fabric 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 staining or sanding. It is brushed onto the surface of the wood to protect it and strengthen it. It is especially useful for the treatment of pulley cords and sash, which can help prevent breakage. It is crucial to restore and not replace any historical ironmongery, like stay latches and sash latches. It can be difficult to replace these items without altering their original design. It is also recommended that modern fittings made of aluminium, such as sashlifts and chainstays, should be avoided since they can cause deterioration and corrosion of timber frames and sashes.