How to Restore Timber Sash Windows in Cambridge

Many homes in Cambridge have sash windows with traditional designs and homeowners are proud of how they appear. 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.

Box sash windows were traditionally operated by chains or cotton cords as well as lead weights. Modern windows with sash springs are concealed to avoid this issue.

1. Aesthetics

Timber sash windows, unlike PVC-u windows, which are made in imperial sizes and are modular, are able to be restored to original dimensions. This allows the restoration to be in line with modern energy requirements while complying with conservation regulations for the area. It also provides a window hinges leeds with a far superior appearance than the upvc windows cambridge alternatives.

Sliding frames for windows made of sash were originally intended for large structures or public buildings. However this changed as production became less expensive and craftsmen could create larger frames using larger glass. By the late 18th century sash windows were the dominant wooden design in most British properties. Because they were simple to open, sash windows let light into rooms without the need for 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. They were expensive at the time, but as glass production improved and cheaper they were a common feature in many period houses.

In the 19th century, it was possible to create large, sturdy glass that did not require support bars. This allowed the frame to be enlarged, which in turn gave the viewer a better view. This was a significant advancement.

The introduction of the double-hung sliding sash was a important improvement that was made at the end of the I920s and 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.

The most popular kind of sash is made of slow-growing deal (pine) however oak was utilized in more luxurious buildings and in earlier examples. A parting bead separates the two sashes, and it is vital that it is maintained to prevent rattles and drafts. The sash pulleys, idler wheels and sash rollers are crucial for the proper operation of the window.

2. Energy efficiency

Sash windows replaced hinged cases as larger and clearer sheets were made available. Plate glass was placed in frames of timber that were rebated, then pinned with glazing sprigs and putty was sprayed on both sides of the frame to ensure watertightness. This kind of glazing gradually replaced led lights.

The introduction of sashes led to an need for a wider range of ironmongery, including the most basic fittings, brass pulleys as well as lead (and later cast iron) weights, sash stops shutter hinges and knobs as well as a range of fasteners that secured the sashes to their place. These were often decorated with motifs, inscriptions, and engraved patterns that identified the maker.

Sash windows can be very energy efficient if they are maintained regularly. However, if they are not maintained, they can become drafty and let in cold air. Draughts can also result from the degeneration of putty and paint. This can be remedied by using proprietary wood-to-timber repair products.

The market for replacement windows is based heavily on the perception that old windows are beyond repair and therefore cannot be maintained economically. However, they can easily be maintained with a bit of attention. Repairs can be expensive and cause many disruptions in the home. To prevent this, many homeowners prefer to replace their windows with PVC-u windows made by one of the largest 'one stop shop' installation companies. They can take down and replace all windows in a house in a single day, eliminating the need to coordinate different tradesmen, making the whole process much more efficient. They are also available with energy-saving double-glazing, which can achieve greater energy efficiency than those offered by traditional sash windows. These double-glazed units are not capable of resembling the proportions and section of historic timber sashes.

3. Security

Traditional windows can be made secure without compromising their style. Ironmongery such as sash chain, mortice bolts and sash locks can be put in place. They can be positioned in a way so that the window can be opened for ventilation and cleaning. These windows are typically discrete since they are made to complement sash windows. They can be used in conjunction with traditional sash window catches. These should be replaced by more robust models like those that incorporate double screws or spring levers in order to reduce the possibility of being hammered.

Sash-window frames were traditionally made from slow-growing deal or, in the more elegant homes made of oak. When 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 typically offer a one stop shop installation service, removing and replacing windows on a complete home in one day, without the need to involve other tradespeople, or coordinate visits from a number of different suppliers.

4. Ventilation

Sash windows were first introduced in the 17th century and allowed for a large amount of light to enter buildings. By the end 18th century, they had been modified to allow more light could be let into rooms. Larger glass panes were also produced. The result was a lighter appearance and windows with more elegance.

The introduction of sash windows also demanded a new range of ironmongery. The first pulleys were made of wood, later Victorian ones were made from brass or a mixture of wood and lead, and there were many kinds of shutter hinges and knobs. The ironmongery pieces need to be maintained and cleaned to appreciate their exquisite design.

To ensure they remain in good condition, timber windows require regular maintenance. Lack of attention to them regularly can lead to:

Sashes that don't slide effortlessly.

Holes in the frame that allow water to get in and cause damage and decay.

Water can penetrate the putty and cause decay to the frame or the cill.

In the I920s and the I930s steel casement windows increased in popularity due to their durability slim and affordable, and complemented the vogue for healthy living. However, research has revealed that traditional softwood sash windows can be just as efficient in thermal efficiency as double-glazed windows made of PVC-u, and are more attractive than the sleek lines of contemporary casement windows.

The window replacement industry has done a lot to convince homeowners that their old windows are rotten, draughty and beyond economic door seal repair near me. Many old timber windows can be repaired and used for many more years with minor repairs.

5. Maintenance

A traditional sash Window seal repairs needs regular maintenance and inspection. Inability to keep up with this can result in broken sash cords, excessive wear on the glazing bars and the deterioration of putty and paint. The removal of the sashes can also result in structural movement within the frame that causes the sash to move out of alignment and in a position that it is not able to close properly. It is also possible for the sash window repair cambridge to be stuck or fixed in the open position and let water and draughts in the structure.

Damage to timber windows is usually caused by moisture penetration. This can be avoided by thorough painting, regular repairs and the elimination of the source of dampness. The paint can be removed to expose the soft, decaying wood. Any rotten timber sections should be cut out and the affected part carefully scarfed or pieced in using replacements made from the same type of wood as the ones remaining. This method of repair maximises the amount of original fabric that is left and is one of the least invasive methods for treating decay caused by timber.

A resin-based wood condenser is a viable alternative to traditional staining or sanding. This is brushed onto the surface of the timber to stabilise and shield it from further damage. It is particularly useful in the treatment of sash cords and pulleys which can help prevent the breakage.

It is important to restore and not replace any old ironmongery, like sash latches and stays. It can be difficult to replace these items without compromising their original design. It is also advised that modern aluminium fittings like sashlifts and chainstays, be avoided as they could cause corrosion and deterioration of timber frames and sashes.