Three Reasons Why Three Reasons Your Sash Windows Cambridge Is Broken (And How To Fix It)
How to Restore Timber Sash Windows in Cambridge
Many homes in Cambridge have traditional sash windows and the homeowners are proud of their appearance. Sash windows can get stuck and become difficult to open or close. This is typically due to moisture, which can cause the wood to swell.
Box sash windows were previously operated by chains, cotton cords and lead weights. Modern sash windows come with hidden springs to overcome this problem.
1. Aesthetics
Timber sash windows, in contrast to PVC-u windows which are manufactured in imperial sizes and are modular, can be restored to their original size. This allows for the restoration of timber sash windows to meet the current energy requirements and comply with conservation regulations for areas. It also provides windows that are superior to uPVC alternatives.
Sliding frames for windows made of sash were originally only used in large buildings or public buildings. However the production became cheaper and artisans could create larger frames using larger glass. In the late 18th century Sash windows were the most popular wooden design in most British properties. Since they were easy to open, sash windows let light into rooms without curtains.
The first windows were made of plain glass, but in the 17th century, sash windows started to become more decorative, with coloured glazing bars and moulded mullions. These were very expensive at the time, but as glass production improved and cheaper they became a part of many period houses.
In the 19th century, it became possible to make large, strong glasses that didn't require support bars. This allowed the frame size to be increased even more, which in turn gave a better view from the window. This was a very important innovation.
The introduction of the double-hung sliding sash was a important improvement that was made in the I920s and at the beginning of the I930s. The double-hung sliding sash is another important improvement that was made at the end of the I920s, and at the beginning of the I930s.
The most commonly used type of sash is made from slow-growing deal (pine) but oak was utilized in more expensive buildings as well as in earlier examples. It is crucial to maintain the separation bead that divides the sashes. This will prevent draughts and rattles. The sash pulleys, idler wheels and sash rollers are essential to the operation of the window.
2. Energy efficiency
Sash windows replaced hinged casements as clearer and larger sheets were made available. Plate glass was set into frames made of timber, which were pinned with glazing sprigs and putty was sprayed on both sides of the frame to ensure watertightness. This type of glass gradually replaced the leaded light bulbs.
The introduction of sashes resulted in 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 and knobs, and a range of fasteners to hold the sashes into place. These were often decorated in designs, inscriptions, and patterns engraved to identify the maker.
Sash windows can be very energy-efficient with regular maintenance. If they are not maintained, they can become draughty. Draughts can also be caused by the deterioration of paint and putty. It is possible to fix this issue with wood-to-timber products.
The replacement window industry relies heavily on the belief that old windows are damaged 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. Many homeowners decide to replace their windows with PVC-u from a huge 'one-stop shop' installation company. They can take down and replace all windows in a house in just one day, eliminating the need to coordinate multiple tradesmen and making the entire process much faster. They can also be fitted with 'energy saving' double-glazing to get more energy efficient ratings than those offered by traditional windows made of sash. However double-glazed windows cannot reproduce the proportions and section of historic timber sashes.
3. Security
Traditional windows can be made more secure without compromising their appearance. Many types of ironmongery can be installed including sash chains mortice bolts and sash locks. These can be installed in such a way that the window can be opened for ventilation and cleaning. These are typically minimal in appearance, as they are designed to fit the sash window. They can be utilized in conjunction with traditional sash window catches that should be replaced with more robust models (such as those incorporating double screws) or spring levers to decrease the chance of them being opened by hammering.
Sash-window frames are usually made from oak or slow-grown deal. If the glazing bars remain intact, they should be retained. Where possible, the timber cills should be replaced by wood that matches. PVC-u companies often offer a one stop shop installation service, removing and replacing windows on an entire home in a single day without the need to engage other tradespeople or co-ordinate various visits from different suppliers.
4. Ventilation
Sash windows were first introduced in the 17th century and allowed for a large amount of light to enter buildings. At the end of the 18th century, they were altered to allow more light into rooms, and larger glazing panes began to be made. The result was a lighter appearance, and windows with a greater degree of elegance than before.
The introduction of sash windows also demanded the creation of a new line of ironmongery. The first pulleys were made of wood, while later Victorian ones were made of brass or a combination of wood and lead, and there were various types of shutter hinges and knobs. Ironmongery elements must be maintained and cleaned so that the fine quality of their design can be appreciated.
To ensure they remain in good condition, timber windows require regular maintenance. Lack of regular attention may cause:
Sashes that don't slide smoothly.
holes in the frame that allow water, which can cause damage and decay.
Water can get into the putty and cause decay to the frame or cause cill.
Steel casement windows gained popularity in the I920s & I930s because they were strong and slim, cheap and complemented the trend for healthy living. However, research has revealed that traditional softwood sash windows are just as thermally efficient as double-glazed PVC-u windows and may be more appealing than the modern sleek design of casement windows.
The window replacement industry has made a significant effort to convince homeowners that their old windows are rotten, draughty and beyond economic repair. Many old windows made of timber can be fixed and used for many more years with minor repairs.
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 could also cause paint and putty become damaged. The removal of sashes can also result in structural movement within the frame that causes the sash to be misaligned and unable to close correctly. The sash could also get stuck in the open position, which allows water and draughts to enter the building.
Moisture penetration is a common cause of damage to timber windows. This can be avoided by regular repairs, thorough painting and removing the source of dampness. Wet rot is recognisable by the wavy appearance of the paint, which can be stripped to reveal rotting, soft timber. The sections that are rotting should be carefully cut out and the affected part should be scarfed together or pieced together with replacements of the exact type as the remaining timber. This method of repair maximizes the amount of fabric used in the first place and is among the least invasive ways to treat wood-to-timber rot.
A wood condenser made of resin is an alternative to traditional staining or sanding. The product is brushed on the surface of the wood to protect it and strengthen it. It is especially useful to treat pulley cords and sash where it can prevent breakage.
It is important that any old ironmongery like sash stays and latches are kept and restored rather than replacing them. door fitter cambridge can be extremely difficult to replace without compromising the the original design. It is recommended that the use of modern aluminum fittings, such as chain stays and sash lifts is avoided if at all possible as they can cause corrosion and damage to frames and sashes made of timber.