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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. Sash windows can become stuck and become difficult to open and close. This is often due to moisture, which can cause the timber to swell. Traditionally, windows made of box sash utilised chains or cotton cord and weights made of lead to operate. Modern sash window springs are hidden to solve this problem. 1. Aesthetics Timber sash windows, in contrast to PVC-u windows which are manufactured in imperial sizes that are modular, can be restored to their original dimensions. This allows the restoration of timber sash windows to meet the current energy requirements and conform to conservation regulations for areas. It also comes with windows that are superior to the uPVC options. Sliding frames for windows made of sash were originally intended for large structures or public buildings. However this changed as production became cheaper and artisans could create larger frames using greater glass. At the close of the 18th century, sash windows had become 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. Early windows were simple glass but by the 17th century, sash windows began to become more decorative, with coloured glazing bars and moulded mullions. They were expensive initially, but when glass production became less expensive and more efficient, they were commonplace in many homes of the period. By the 19th century it was possible to create large, sturdy glass that didn't require supporting bars. This allowed the frame size to be increased even further, which gave a better view from the window. This was a significant advancement. The introduction of the double-hung sliding sash was another important improvement that occurred towards the end of the I920s and the beginning of the I930s. The double-hung sliding sash is another significant improvement that came about at the end of the I920s and beginning of the I930s. Oak was used for older examples and more prestigious buildings. It is crucial to maintain the parting bead which separates the sashes. This will prevent draughts and rattles. It is also essential that sash pulleys and idler wheels are in good shape as they assist in operating the window. 2. Energy efficiency As larger and clearer sheets of glass were made available, sash windows began to replace hinged casements. They were coated with plate glass that was set within rebated timber frames and secured with glazing sprigs, and then putty on both sides to ensure they were watertight. This kind of glazing gradually superseded the leaded light bulbs. The introduction of sashes created a need for a much wider range of ironmongery, with the most basic fittings being brass pulleys as well as lead (and later cast iron) weights, sash stoppers shutter hinges, knobs and shutters as well as a range of fasteners to hold the sashes into place. These were often decorated with motifs, inscriptions and engraved patterns that identified the maker. Sash windows are energy efficient when they are maintained regularly. If they are not maintained they could become draughty. Paint and putty can cause draughts. This issue can be fixed by using wood-to-timber solutions. The market for replacement windows is based heavily on the belief that older windows are beyond repair and cannot be maintained economically. However windows can be easily maintained with a little attention. Repairs can be expensive and cause many disruptions in the home. To prevent this homeowners, many opt for a complete replacement with PVC-u windows from one the large “one-stop shop” installation companies. They can take down and replace all windows in a house in a single day, avoiding the need to co-ordinate different tradesmen and making the entire process much quicker. These windows can be fitted with energy-saving' double glazing to achieve higher energy ratings than the traditional windows made of sash. Double-glazed windows aren't capable of replicating the proportions and sections of sashes from old timber. 3. Security Traditional windows can be made secure without compromising their aesthetics. Ironmongery such as sash chain, mortice bolts and sash locks can be used. These can be installed in a way so that the window can still be opened to allow ventilation and cleaning. They are generally minimal in appearance, as they are designed to fit the sash window. They can be used in conjunction with traditional sash window catches. They should be replaced with more robust models, such as those with double screws or sprung levers in order to reduce the possibility of being hit with hammers. Sash-window frames are usually made from oak or slow-grown deal. If the glazing bars are intact and are not damaged, they should be left. If it is possible, the cills of the timber should be replaced with timber that is compatible with. PVC-u companies typically provide a one-stop shop installation service that can remove and replacing windows on an entire house in a day without the need to involve 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 substantial amount of light to flood into buildings. By the end of the 18th century they were adapted to allow even more light into rooms and bigger glazing panes started to be manufactured. The result was a much lighter appearance, and windows that had a higher quality of design than before. The introduction of sash windows also demanded a new range of ironmongery. Early pulleys were made from wood, later Victorian ones could be made from brass or a combination of lead and wood and there were a variety of shutter hinges and knobs. The ironmongery pieces need to be kept clean and preserved in order to appreciate their exquisite design. To keep them in good condition, timber windows need to be maintained. Inattention to maintenance could lead to: sashes that no longer slide smoothly. holes in the frame allow water that can cause decay and damage. break down of putty, allowing water to penetrate, which could lead to decay of the frame and cill. Steel casement windows were popular 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 as efficient as PVC-u windows, and may even be more attractive. The window replacement industry was able to convince homeowners that their old windows were rotten, drafty and beyond economical repair. However, many old windows made of wood are in good shape and with minor repairs can easily be serviceable for many years to come. 5. Maintenance A traditional sash window needs regular maintenance and inspection. If you fail to maintain your sash window, it could result in the sash cords breaking, and the glazing bars deteriorating excessively. It can also cause the paint and putty to degrade. The removal of sashes could also result in structural shifts within the frame, which causes the sash to be misaligned and not closing properly. It is also possible for the sash to be stuck or fixed in the open position, which can let water and draughts in the property. Moisture penetration is a common cause of damage to timber windows. This can be prevented by thorough painting, regular repairs, and removing the cause of dampness. Wet rot is easily identified by the wavy look of the paint that can be removed to reveal rotting, soft timber. The rotten timber sections should be carefully removed and the affected part should be snared together or pieced together by using replacements of the same type as the remaining timber. This method of repair maximizes the amount of original fabric retained and is among the least invasive methods of treating decay caused by timber. A wood condenser that is based on resin is a viable alternative to traditional sanding or staining. double glazing cambridge is brushed on the surface of the wood to protect it and strengthen it. It is particularly useful in the treatment of pulleys and sash cords which help prevent the breakage. It is important that any ironmongery from the past such as sash stay and latches are retained and restored instead of replacing them. They can be extremely difficult to replace without compromising the quality of the original design. It is also recommended that modern fittings made of aluminium like sashlifts, as well as chainstays, be avoided as they could cause corrosion and deterioration of timber frames and sashes.