How to Restore Timber Sash Windows in Cambridge
Many homes in
cambridge double Glazing have traditional sash windows and homeowners are proud of the way they look. However, sash windows may get stuck and be difficult to open or close. This is typically due to moisture that can cause the wood to expand.
Box sash windows were traditionally operated by chains, cotton cords and weights made of lead. Modern sash windows have hidden springs to solve this problem.
1. Aesthetics
Unlike PVC-u windows that are constructed according to imperial sizes that are modular, timber sash windows can be restored to their original dimensions. This lets the restoration meet modern day energy requirements while ensuring compliance with conservation area regulations. It also offers a window that is far superior to
upvc window lock repair options.
Sliding sash windows were originally only used in large structures or public buildings, though this changed when production was less expensive and craftsmen were able to produce larger frames with more glass. By the late 18th century Sash windows were the most popular design of wood in the majority of British properties. As they were easy to open, sash windows let light into rooms without curtains.
The first windows were made of plain glass, but by the 17th century sash windows were becoming more attractive with coloured glass bars and moulded mullions. These windows were quite expensive at the time but as glass production improved and less expensive, they became a feature of numerous period houses.
In the 19th century, it became possible to produce large, strong glasses that did not require supporting bars. This allowed the frame's size to increase more, which in turn allowed for a wider view out of the window. This was a significant advancement.
Another important improvement was the introduction of the double-hung sliding window at the end of I920s and at the beginning of the I930s. The double-hung sliding sash was another important improvement that came into existence at the end of the I920s and at the beginning of the I930s.
Oak was used in older examples and more prestigious buildings. A parting bead separates the two sashes. It is important that this is maintained in order to avoid rattles and drafts. The sash pulleys, idler wheels and sash rollers are essential for the proper operation of the window.
2. Energy efficiency
As clearer and larger glass sheets were made available,
sash window repair cambridge windows began replacing hinged casements. Glass plates were set in rebated timber frames, secured with glazing sprigs and putty was then sprayed onto the frame's two sides for watertightness. This kind of glazing gradually replaced the leaded light bulbs.
The introduction of sashes resulted in an need for a greater variety of ironmongery, with the basic fittings being brass pulleys, lead (and later cast iron) weights, sash stops shutter hinges and knobs, and a range of fasteners to hold the sashes into place. These were often decorated with motifs, inscriptions and engravings that identified the maker.
With regular maintenance, sash windows are very energy efficient. If they are not maintained, they can become drafty. Draughts can also be caused by the deterioration of putty and paint. This can be fixed by using proprietary wood-to-timber repair products.
The replacement
window repairs near me industry relies on the perception that traditional windows are rotten and beyond economical repair, whereas they can be maintained with a bit of care. Repairs can be expensive and cause lots of disruption to the home. To prevent this, many homeowners choose to replace their windows with PVC-u windows from one the largest "one stop shop" installation companies. They can replace all windows in a home in a single day, saving time and eliminating the need for multiple tradesmen to coordinate. These windows can be fitted with 'energy-saving' double glazing to achieve higher energy ratings than the traditional windows made of sash. These double-glazed units are not capable of resembling the proportions or section of the sashes made of timber from the past.
3. Security
It is possible to secure windows that are traditional without compromising their appearance. Ironmongery, such as sash chain, mortice bolts and sash locks can be installed. They can be positioned in a way so that the window is able to be opened to allow ventilation and cleaning. These windows are typically not noticeable since they are designed to complement sash windows. They can be used in conjunction with traditional sash window catch. They should be replaced with more robust models, such as ones that have
double glazing seal repairs screws, or sprung levers to decrease the possibility of being hit with hammers.
Sash-window frames were traditionally constructed from slow-growing deal or, in more luxurious homes they were made from oak. If the glazing bars are still intact and in good condition, they should be kept. Where it is possible, the cills of the timber should be replaced by timber that is compatible with. Many PVC-u firms provide a one-stop shop installation service. They can take down and replace windows on an entire home in one day, without the need to involve other tradespeople.
4. Ventilation
Sash windows were first introduced in the 17th century and allowed for a significant amount of light to be absorbed into buildings. At the end of the 18th century, they were altered to allow more light into rooms, and bigger glazing panes started to be produced. The result was a lighter appearance and windows with more elegance.
The introduction of sash windows also demanded the creation of a new line of ironmongery. Early pulleys were made of 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. The ironmongery components should 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 shape. Inattention to maintenance routinely could cause:
Sashes that don't slide easily.
Holes in the frame that allow water to get in and cause damage and decay.
break down of putty allowing water penetration that can lead to decay in the frame and cill.
Steel casement windows became popular in the I920s and I930s because they were sturdy and slim, cheap and matched the trend towards healthy living. Research has proven that softwood sash windows are as efficient as PVC-u windows and can even be more attractive.
The window replacement industry has done a lot to convince homeowners that their old windows are rotten, draughty and beyond economic repair. Many old timber windows are repairable and can be used for many more years with minor repairs.
5. Maintenance
A traditional sash window needs regular maintenance and inspection. If you do not maintain your sash window, it can cause 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 may also cause structural shifts within the frame, which causes the sash to move out of alignment and unable to close correctly. It is also possible for the sash to be stuck or slammed into an open position and let water and draughts in the property.
The damage to timber windows is often caused by moisture entry. This can be avoided by careful painting, regular
repairs to upvc doors and elimination of the source of dampness. The paint can be removed to reveal the soft, decaying wood. The rotten timber sections should be carefully cut out and the affected part should be scarfed together or pieced together by using replacements of the same kind as the timber that remains. This repair method increases the amount of fabric that was originally used and is one of least invasive ways to treat timber-to-timber rot.
The use of a resin-based wood consolidant is a different option to the traditional method of staining and sanding. It is brushed onto the surface of the wood to protect it and stabilise it. It is particularly beneficial for the treatment of pulleys and sash cords which can help stop breakage.
It is essential that any historic ironmongery such as sash stays and latches are kept and restored instead of replacing them. These items are difficult to replace without compromising the the original design. It is also recommended that the use of modern aluminum fittings like chain stays and sash lifts is avoided whenever possible since they can cause corrosion and deterioration of frames and sashes made from timber.
