How to Restore Timber Sash Windows in Cambridge
(Image: https://www.repairmywindowsanddoors.co.uk/wp-content/uploads/2018/09/Replacement-Windows-150x150.jpg)Many homes in Cambridge feature traditional sash window and homeowners are proud of their appearance. Sash windows can get stuck and be difficult to open or shut. This is typically due to moisture that can cause the wood to swell.
Box sash windows were traditionally operated using chains or cotton cords as well as lead weights. Modern sash windows feature hidden springs to address this issue.
1. Aesthetics
Timber sash windows, in contrast to PVC-u windows that are made in imperial sizes that are modular, can be restored to their original dimensions. This permits the re-installation of timber sash windows to meet current energy requirements and to comply with conservation area regulations. It also provides a plastic window repair with a far superior appearance than the upvc door repair cost alternatives.
Sliding frames for windows made of sash were originally only used in large buildings or public buildings. However, this changed when production became less expensive and craftsmen could create larger frames using more glass. By the end of the 18th century, sash windows were the most popular wooden design in British homes. Sash windows were easy to operate and let light into rooms without the use of curtains.
Early windows were plain glass but by the 17th century, sash windows began to become more attractive with coloured glass bars and moulded mullions. They were costly at the beginning but when glass production became less expensive and more efficient, they were an integral feature in many homes of the period.
In the 19th century, it was possible to create large, strong glass that didn't require support bars. This allowed the frame's size to increase more, which in turn gave a better view out of the window. This was a significant innovation.
The introduction of the double-hung sliding sash was another important improvement that occurred in the I920s and the beginning of the I930s. This allowed both the upper and lower sash to be opened simultaneously and also improved the ventilation of buildings.
The most popular kind of sash is made from slow grown deal (pine) but oak was utilized in more expensive buildings as well as in some earlier examples. A parting bead separates the two sashes and it is essential that it is well maintained to prevent rattles and drafts. It is also crucial that the idler and sash pulley wheels are in good condition as these help to operate the window and door repair near me.
2. Energy efficiency
As larger and clearer glass sheets became available, sash window began to replace hinged casements. Plate glass was placed in rebated timber frames, pinned with glazing sprigs and putty was then sprayed onto the frame's sides for watertightness. This kind of glass gradually replaced led lights.
The introduction of sashes led to an need for a wider range of ironmongery, with the basic fittings being brass pulleys, lead (and later cast iron) weights, sash stoppers shutter hinges, knobs and shutters and a variety of fasteners that secured the sashes in the right place. They were often decorated with patterns, inscriptions and engraved patterns to identify the maker.
With regular maintenance, sash windows can be extremely energy efficient. If they are not maintained they can get draughty. Paint and putty can cause draughts. This issue can be fixed with wood-to-timber products.
The industry of replacement windows is based on the assumption that traditional windows are rotten and beyond repair, but they are able to be maintained with a bit of care. Repairs can be costly and cause many disruptions in the home. To prevent this, many homeowners choose to replace their windows Cambridge with PVC-u windows from one the large 'one stop shop' installation companies. They can replace all windows in a home in one day, saving time and avoiding the need for different tradesmen to coordinate. They are also available with 'energy-saving' double-glazing to get more energy efficient ratings than are possible with traditional sash windows. These double-glazed units are not capable of replicating the proportions and sections of historic timber sashes.
3. Security
It is possible to secure windows that are traditional without compromising their appearance. Ironmongery, such as mortice bolts, sash chain, and sash lock can be put in place. They can be fitted in a way so that the window can still be opened for ventilation and cleaning. These products are usually minimal in appearance, as they are designed to match the sash window. They can be used in conjunction with traditional sash window catches and must be replaced by more robust models (such ones with double screws) or spring levers to decrease the possibility of them being hammered out.
Sash-window and door repair near me frames were traditionally constructed from slow grown deal or, in the more elegant homes, from oak. When glazing bars have survived they should be kept and if 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, removing and replacing windows across a home in one day, without the need to engage other tradespeople or co-ordinate various 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 18th century, they were modified so that more light could be let into rooms. Larger glass panes were also made. The result was a lighter appearance and windows that were more elegant.
The introduction of sash windows also required an entirely new range of ironmongery. Early pulleys were constructed from wood. Later Victorian ones were made of brass or a combination of wood and lead. There were also different kinds of knobs and shutter hinges. These ironmongery elements should always be retained and cleaned down so that the quality of their design can be appreciated.
Timber windows require regular maintenance to keep them in good order. Lack of regular attention may lead to:
Sashes that no longer slide easily.
Holes in the frame which allow water to enter and cause damage and decay.
Water can penetrate the putty and cause decay to the frame or cill.
Steel casement windows became popular in the I920s and I930s because they were sturdy and slim, cheap and complemented the trend for healthy living. However, research has proven that traditional softwood sash windows can be just as efficient in thermal efficiency as double-glazed windows made of PVC-u, and may be more appealing than the sleek lines of contemporary casement windows.
The industry of replacement windows did a lot to convince homeowners that their old windows were rotten, drafty and beyond economical repair. Many older timber windows can be repaired and used for a long time with minor repairs.
5. Maintenance
A traditional sash window requires regular maintenance and inspection. If you do not maintain your window's sash, it could lead to the sash cords breaking, and the glazing bars deteriorating excessively. It can also cause paint and putty become damaged. The removal of sashes could also result in structural movement within the frame that causes the sash to become misaligned and in a position that it is not able to close properly. The sash could also get stuck in an open position, which allows water and draughts to enter the building.
Damage to timber windows is often caused by moisture entry. This can be avoided by regular maintenance, thorough painting and removing the source of dampness. The paint can be removed to reveal the soft, decaying wood. The rotten timber sections should be carefully removed and the affected part should be scarfed together or glued together using replacements of the same type as the remaining timber. This method of repair increases the amount of fabric that was originally used and is among the most non-invasive methods to treat wood-to-timber rot.
A wood condenser made of resin is a viable alternative to traditional process of sanding or staining. This is brushed on the surface of the wood to protect it and stabilise it. It is particularly beneficial for the treatment of sash window repair cambridge cords and pulleys where it can help to stop breakage.
It is important that any ironmongery from the past such as sash stay and latches are kept and rehabilitated instead of being replaced. 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 possible as they can cause corrosion and deterioration to timber frames and sashes.