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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 look. However, sash windows may become stuck and difficult to open or close. This is usually due moisture that can cause the wood to swell. Traditionally, windows made of box sash used chains or cotton cords and lead weights to operate. Modern sash windows come with hidden springs to address this issue. 1. Aesthetics Timber sash windows, in contrast to PVC-u windows, which are made in imperial sizes, which are modular, are able to be restored to their original dimensions. This allows for the restoration of timber sash windows to comply with current energy standards and comply with conservation area regulations. It also comes with windows that are superior to uPVC options. Sliding windows with sash were initially only used in large buildings or public buildings, but the production process was less expensive and craftsmen were able to produce larger frames with more glass. By the end of the 18th century, sash windows were the most sought-after wooden style in British homes. Since they were easy to open sash windows allowed light into rooms without the need for curtains. The early windows were made of clear glass However, by the 17th Century the sash windows began to become more attractive. They began with colored glazing bars, also known as mullions. These were very expensive at the time but as glass production became more efficient and cost-effective, they became a feature of many of the period homes. In the 19th century, it became possible to produce large, strong glasses that didn't require supporting bars. This allowed the frame to be made bigger, which in turn gave an improved view. This was an important innovation. The introduction of 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. This allowed both the lower and upper sash to be opened simultaneously and allowed for better ventilation to a building. Oak was used in older and more luxurious buildings. A parting bead is used to separate the two sashes and it is essential that it is maintained to prevent rattles and drafts. It is also essential that the idler and sash pulley wheels are in good working order as they help to operate the window. 2. Energy efficiency Sash windows replaced hinged casements as clearer and larger sheets were made available. They were made of plate glass, set in timber frames with rebates and then pinned with glazing sprigs, and then putty on both sides to make them watertight. This kind of glass gradually replaced led lights. Sashes were introduced, which resulted in 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, handles and shutter hinges as well as a variety of fasteners used to fix the sashes. These were often decorated in patterns, inscriptions and patterns engraved to identify the maker. With regular maintenance, sash windows are extremely energy efficient. Without this maintenance they could become drafty. Draughts can also be caused by the deterioration of putty and paint. This can be corrected making use of wood-to-timber repair tools that are proprietary. The replacement window industry relies on the assumption that old windows are damaged and beyond repair, while they can be maintained with a bit of care. However, repairs to these windows can be costly and cause substantial disruption to the home. Many homeowners opt to replace their windows using PVC-u from a large “one-stop shop” company for installation. They can replace all windows in a home in a single day, saving time and eliminating the need for different tradesmen to coordinate. These windows can be equipped with energy-saving double glazing to get more energy efficient ratings than a traditional windows made of sash. However, these double-glazed units cannot duplicate the proportions and section of the sashes made of timber from the past. 3. Security Traditional windows can be made secure without compromising their aesthetics. Many types of ironmongery can be installed with sash chains, mortice bolts and sash locks. They can be fitted in a way so that the window is able to be opened to allow ventilation and cleaning. These are typically minimal in appearance, as they are designed to complement the sash window. They can be used with traditional sash window catch. These are best replaced with more robust versions like those with double screws or spring levers, to minimize the possibility of being struck by hammers. Sash-window frames were traditionally constructed from slow grown deal or, in more elegant homes they were made from oak. If the glazing bars are intact, they should be retained. Where possible, the timber cills should be replaced with wood that is in line with. Many PVC-u firms provide a one-stop shop installation service. They can remove and replace windows throughout a house in just one day, without involving other tradespeople. 4. Ventilation When sash windows were first introduced in the 17th century, they allowed a substantial amount of light into structures. At the end of the 18th century, they had been modified to allow more light could be let into the rooms. Larger glazing panes were also created. The result was a much lighter appearance, and windows with a higher level of elegance than they had before. Sash windows were introduced, which required a new type of ironmongery. Early pulleys were constructed of wood. Later Victorian ones were made of brass or a mixture of wood and lead. There were also various kinds of shutter hinges and knobs. updated blog post should be kept and cleaned to ensure that the exquisite quality of their design can be appreciated. To keep them in good condition, wooden windows must be maintained. A lack of regular attention can result in: Sashes that do not move easily. holes in the frame that admit water that can cause decay and damage. The putty can be soaked by water and cause decay to the frame or the cill. Steel casement windows became popular in the I920s & I930s because they were strong and slim, cheap and complemented the trend for healthy living. However, research has proven that traditional softwood sash windows are just as efficient thermally as double-glazed PVC-u windows and are more attractive than the modern sleek design of casement windows. The industry of replacement windows has made a significant effort to persuade house owners that their old windows are rotten, draughty and beyond repair. Many old timber windows are repairable and can be used for many more years with minor repairs. 5. Maintenance A traditional sash window requires regular maintenance and inspection. If you don't maintain your window's sash, it could cause the sash cords breaking, and the glazing bars deteriorating excessively. It could also cause paint and putty to become damaged. The removal of sashes may also result in structural movement within the frame, causing the sash to not close correctly. The sash can also be stuck in its open position, which allows water and draughts to enter the property. The damage to timber windows is often caused by water penetration. This can be avoided with regular maintenance by thorough painting and eliminating the cause of dampness. The paint can be removed to reveal the soft, decaying wood. Any rotten sections of timber should be cut out and the affected area carefully cut or pieced with replacements made from the same type of timber as the ones that remain. This method of repair increases the amount of original fabric retained and is one of the least invasive ways of treating decay of timber to timber. A wood condenser that is based on resin is a viable alternative to traditional process of sanding or staining. It is brushed on the surface of the wood to stabilize it and protect it from further damage. It is particularly beneficial in the treatment of sash cords and pulleys where it can help to prevent breakage. It is crucial to restore and not replace any historical ironmongery, such as sash latches and stays. They can be extremely difficult to replace without compromising the quality of the original design. It is recommended that the use of modern aluminum fittings, such as chain stays and sash lifts is avoided whenever feasible as they could cause corrosion and deterioration of timber frames and sashes.