ouncebee95

How to Restore Timber Sash Windows in Cambridge Many homes in Cambridge feature traditional sash window and homeowners are proud of their appearance. However, sash windows can become stuck and difficult to open or close. This is usually due moisture that can cause the wood to swell. Box sash windows were historically operated by chains, cotton cords and weights made of lead. Modern sash windows come with hidden springs to solve this problem. 1. Aesthetics Timber sash windows, in contrast to PVC-u windows which are manufactured in imperial sizes that are modular, are able to be restored to their original dimensions. This allows the restoration to meet the current energy standards while ensuring compliance with conservation area regulations. It also offers an option that is superior to uPVC alternatives. 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 create larger frames using more glass. By the end of the 18th century, sash windows were the most popular wooden style in British homes. As sash window repair cambridge were easy to open, sash windows let light into rooms without curtains. Early windows were plain glass but by the 17th century, sash windows started to become more attractive with coloured glass bars and moulded mullions. These were very expensive at the time but as glass production improved and cost-effective, they became a feature of many of the period homes. In the 19th century, it was possible to produce large, sturdy glasses that didn't require supporting bars. This allowed the frame size to be enlarged 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 the I920s and 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 popular kind of sash is made of slow-growing deal (pine) but oak was also used in more expensive buildings as well as in earlier examples. A split bead divides the two sashes, and it is vital that it is well maintained to prevent rattles and drafts. The sash pulleys, idler wheels and sash rollers are vital to the operation of the window. 2. Energy efficiency Sash windows were replaced by hinged casements as larger and clearer sheets became available. They were coated with plate glass that was set within rebated timber frames and secured with glazing sprigs and putty on both sides to make them watertight. This form of glazing gradually superseded leaded lights. The introduction of sashes led to the need for a wider range of ironmongery, including the most basic fittings, brass pulleys and lead (and later cast iron) weights, sash stops shutter hinges, knobs and shutters and a variety of fasteners that secured the sashes into place. They were often decorated with designs, inscriptions, and engraved patterns to identify the maker. With regular maintenance, sash windows can be very energy efficient. However, if they are not maintained, they can become drafty and let in cold air. Paint and putty can cause draughts. You can fix this problem by using wood-to-timber products. The industry of replacement windows relies heavily on the belief that old windows are beyond repair and therefore cannot be maintained economically. However, they can easily be maintained with a bit of attention. These repairs can be expensive and cause many disruptions in the home. To avoid this homeowners, many opt for a complete replacement with PVC-u windows made by one of the largest 'one stop shop' installation companies. They can replace all windows in a home in a single day, saving time and avoiding the need for different tradesmen to coordinate. These windows can be fitted with energy-saving double-glazing to attain higher energy ratings than traditional sash window. These double-glazed windows aren't capable of resembling the proportions and sections of historic timber sashes. 3. Security It is possible to secure windows that are traditional without compromising on their aesthetics. Many types of ironmongery can be fitted with sash chains, mortice bolts and sash locks. These can be installed in such a way that the window can be open for ventilation and cleaning. These products are often not noticeable since they are designed to be used in conjunction with sash windows. They can be utilized in conjunction with traditional sash window catches that should be replaced with more robust models (such ones that have double screws) or sprung levers to reduce the possibility of them being hammered open. Sash-window frames were typically made from slow-growing deal or, in more luxurious homes they were made from oak. If glazing bars have survived, they should be kept and if it is possible, the timber of the cill should be replaced with matching wood. PVC-U companies usually offer a one stop shop installation service, removing and replacing windows across a home in one day, without the need to engage other tradespeople or coordinate visits from a number of different suppliers. 4. Ventilation When sash windows were first introduced in the 17th century, they allowed a large amount of light to flood into structures. By the end of the 18th century, they were modified to let more light into rooms, and larger glass panes began to be produced. The result was a much lighter appearance, and windows with a greater degree of elegance than before. Sash windows were introduced and required a new type of ironmongery. Early pulleys were made from wood. Later Victorian ones were made of brass or a mix of wood and lead. There were also a variety of types of knobs and shutter hinges. These ironmongery pieces must be cleaned and preserved to appreciate their fine design. To keep them in good shape, timber windows require regular maintenance. Inattention to maintenance can result in: Sashes that do not slide smoothly. holes in the frame that admit water causing damage and decay. The putty can be soaked by water and cause decay to the frame or the cill. Steel casement windows were popular in the I920s & I930s because they were sturdy and slim, and also because they were cheap and complemented the trend for healthy living. Research has proven that softwood sash window are as efficient as PVC-u windows and can even be more attractive. The window replacement industry has done a great job convincing homeowners that their old windows were rotten, drafty and beyond economical repair. The truth is that a lot of older windows made of timber are in good shape and with minor repairs could easily be repaired for many years to be. 5. Maintenance Traditional sash windows require regular maintenance and inspection. If you do not maintain your sash window, it could lead to the sash cords breaking, and the glazing bars wearing out excessively. It could also cause paint and putty to deteriorate. The removal of the sashes could also result in structural movement within the frame that causes the sash to become misaligned and unable to close correctly. It is also possible for the sash to be snagged or slammed into an open position and let water and draughts into the structure. Damage to timber windows is usually caused by moisture penetration. This can be prevented with thorough painting, periodic repairs and the elimination of the cause of dampness. Wet rot is recognisable by the wavy look of the paint, which can be removed to reveal soft, rotting wood. The sections of timber that are rotten should be carefully cut out, and the affected area should be scarfed or glued together by using replacements of the same kind as the timber that remains. This method of repair increases the amount of fabric retained and is among the least invasive methods of treating decay caused by timber. A wood condenser that is based on resin is an alternative to traditional process of sanding or staining. This is brushed onto the surface of the timber to stabilize it and protect it from further damage. It is particularly beneficial in the treatment of pulleys and sash cords where it can help to stop breakage. It is crucial to restore and not replace any historical ironmongery, such as sash latches and stays. These items can be very difficult to replace without harming the the original design. It is also advised that modern aluminium fittings like sashlifts, as well as chainstays, are avoided since they could cause corrosion and deterioration of timber frames and sashes.