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How to Restore Timber Sash Windows in Cambridge Many homes in Cambridge have sash windows that are traditional and homeowners are proud of their appearance. Sash windows can become stuck and are difficult to open or shut. This is typically due to moisture, which can cause the wood to swell. Box sash windows were previously operated using chains or cotton cords as well as lead weights. window repair near me Repair My Windows And Doors come with hidden springs to solve this problem. 1. Aesthetics Timber sash windows, unlike PVC-u windows, which are made in imperial sizes, which are modular, can be restored to original dimensions. This allows the restoration to meet the current energy standards while complying with conservation area regulations. It also provides windows that are superior to uPVC alternatives. Sliding sash windows were originally only used in large structures or public buildings, but the production process became less expensive and craftsmen could produce larger frames with more glass. In the 18th century, windows made of sash were the predominant design of wood in the majority of British homes. As they were easy to open, sash windows let light into rooms without the need for curtains. The first windows were made of plain glass, but in the 17th century the sash windows began to be more decorative. They started with coloured glazing bars or mullions. They were expensive initially, but as glass production became less expensive and more efficient, they became an integral feature in many period houses. By the 19th century it was possible to create large, sturdy glass that did not require supporting bars. This allowed the frame's size to increase more, which in turn gave a better view from the window. This was a significant advancement. Another significant improvement was the introduction of the double-hung sliding window at the end of I920s and at the beginning of the I930s. The double-hung sliding sash was another important improvement that was made at the end of the I920s and beginning of the I930s. Oak was used for older examples and more prestigious buildings. It is important to maintain the parting bead which divides the sashes. This will stop rattles and draughts. It is also essential that the idler and sash pulley wheels are in good shape as they assist in operating the window. 2. Energy efficiency Sash windows replaced hinged casements as clearer and larger sheets were made available. Plate glass was placed in frames made of timber, which were which were pinned with glazing sprigs, and putty was then sprayed onto the frame's two sides to ensure watertightness. This type of glass gradually replaced leaded lights. Sashes were introduced, which resulted in a greater demand for ironmongery. The basic fittings included brass pulleys (and later cast-iron) weights and stoppers for sashes, shutter hinges and handles and a variety of fasteners used to secure the sashes. They were often decorated with motifs, inscriptions and designs that were engraved to identify the maker. Sash windows can be extremely energy efficient if they are maintained regularly. However, without this maintenance they may become drafty and let in cold air. Draughts can also be caused by the breakdown of paint and putty. It is possible to fix this issue by using wood-to-timber solutions. The industry of replacement windows relies heavily on the notion that old windows are damaged beyond repair and therefore cannot be maintained economically. However windows can be easily maintained with a little attention. These repairs can be costly and cause a lot of disruption in the home. To prevent this homeowners often opt for a complete replacement with PVC-u windows from one of the largest 'one stop shop' installation companies. They can replace all windows in a house in a single day, saving time and eliminating the need for various tradesmen to coordinate. These windows can be equipped with energy-saving double-glazing to attain higher energy ratings than the traditional windows with sash. However double-glazed windows cannot duplicate the proportions and section of the sashes made of timber from the past. 3. Security It is possible to secure windows that are traditional without compromising their appearance. Ironmongery like sash chain, mortice bolts, and sash lock can be put in place. These can be installed in a way so that the window is able to be opened to allow ventilation and cleaning. These windows are typically unobtrusive as they are designed 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 in order to reduce the possibility of being hit with hammers. Sash-window frames are traditionally made of oak or slow-grown deal. Where glazing bars have survived they should be kept, and where it is possible, the timber of the cill should be replaced by identical wood. PVC-U companies usually offer a one stop shop installation service that can remove and replacing windows on a complete house in a day without the need to involve other tradespeople or coordinate visits from a number of different suppliers. 4. Ventilation Sash windows were introduced in the 17th century and allowed for a large amount of light to enter buildings. By the end of the 18th century they were modified to let more light into rooms, and larger glass panes began to be manufactured. The result was a lighter look and windows that were more elegant. The introduction of sash windows also required an entirely new range of ironmongery. Early pulleys could be made out of wood. Later Victorian ones were made of brass or a combination of wood and lead. There were also a variety of types of shutter hinges and knobs. Ironmongery elements must be kept and cleaned so that the quality of their design can be appreciated. Timber windows require careful maintenance to keep them in good shape. Inattention to maintenance can result in: Sashes that do not move effortlessly. Holes in the frame that allow water to enter and cause damage and decay. The putty can be soaked by water and cause decay to the frame or cill. Steel casement windows gained popularity in the I920s and I930s due to their strength and slim, and also because they were cheap and complemented the trend for healthy living. Studies have shown that softwood sash windows are just as effective as PVC-u windows, and may even be more attractive. The industry of replacement windows was able to convince homeowners that their old windows were rotten, drafty and beyond economical 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 The traditional sash windows need regular maintenance and inspection. Failure to do this can lead to the sash cords breaking, a lot of wear on the glazing bars, and degradation of the paint and putty. The removal of sashes could also result in structural shifts within the frame, which causes the sash to move out of alignment and in a position that it is not able to close properly. It is also possible for the sash be stuck or fixed in an open position and let water and draughts enter the property. The damage to timber windows is often caused by moisture entry. This can be prevented with careful painting, regular repairs, and removing the source of dampness. The paint can be removed to reveal the soft, decaying wood. The sections that are rotting must be removed with care and the affected part should be scarfed together or glued together by using replacements of the same nature as the rest of the timber. This method of repair maximises the amount of original fabric retained and is among the least invasive ways of treating timber-to-timber decay. A wood condenser that is based on resin is an alternative to the traditional process of sanding or staining. The product is brushed on to the surface of the timber to stabilise and protect it from further damage. It is particularly beneficial in the treatment of pulleys and sash cords which help stop breakage. It is essential to preserve and not replace any historic ironmongery, like stay latches and sash latches. It is difficult to replace these items without compromising their original design. It is recommended that the use of modern aluminum fittings such as chain stays and sash lifts is avoided whenever possible as they can cause corrosion and damage to timber frames and sashes.