How to Restore Timber Sash Windows in Cambridge

Many homes in cambridge windows and doors have traditional sash windows and homeowners are proud of their appearance. Sash windows can get stuck and be difficult to open and close. This is typically due to moisture that can cause the wood to expand.

Traditionally, window boxes utilised chains or cotton cord and lead weights to operate. Modern sash windows feature hidden springs to overcome this problem.

1. Aesthetics

In contrast to PVC-u windows, which are manufactured according to the modular imperial size the timber sash windows are able to be restored to their original size. This lets the restoration meet modern day energy requirements while complying with conservation areas regulations. It also provides windows that are superior to uPVC options.

Sliding sash windows were originally only found in large buildings or public buildings, however this changed when production became cheaper and craftsmen could create larger frames using more glass. In the 18th century, sash windows were the dominant wooden style in a majority of British homes. Sash windows were simple to operate and let light in rooms without the use of curtains.

The first windows were made of plain glass but by the 17th century, sash windows began to become more decorative, with coloured glazing bars and moulded mullions. These windows were quite expensive at the time but as glass production improved and cost-effective, they became a feature of many period houses.

In the 19th century it was possible to create large, sturdy glass that did not need supporting bars. This allowed for the frame to be enlarged, which in turn gave the viewer a better view. This was an important innovation.

The introduction of the double-hung sliding sash is another important improvement that was made towards the end of the I920s and the beginning of the I930s. This allowed both the lower and upper sash to be opened simultaneously, and gave improved ventilation to a building.

Oak was used for older and more luxurious buildings. It is essential to keep the parting bead that separates the sashes. This will stop draughts and rattles. It is also essential that the idler and sash pulley wheels are kept in good shape as they assist in operating the window.

2. Energy efficiency

Sash windows replaced hinged cases as clearer and larger sheets were made available. Plate glass was set into frames of timber that were rebated, then which were pinned with glazing sprigs, and putty was sprayed on the frame's two sides for watertightness. This type of glazing gradually replaced the leaded light bulbs.

The introduction of sashes resulted in a need for a much greater variety of ironmongery, including the most basic fittings, brass pulleys as well as lead (and later cast iron) weights, sash stoppers shutter hinges and knobs, and a range of fasteners that secured the sashes into the right place. These were usually decorated with motifs, inscriptions, and patterns engraved to identify the maker.

With regular maintenance, sash windows are extremely energy efficient. However, without this maintenance they may become drafty and let in cold air. Draughts can also result from the degeneration of paint and putty. It is possible to fix this issue by using wood-to-timber solutions.

The replacement window industry relies on the perception that old windows are damaged and beyond economical repair, but they can be easily maintained with a bit of care. However, repairs to these windows are costly and can cause substantial disruption to the home. To prevent this homeowners, many prefer to replace their windows with PVC-u windows made by one of the large "one stop shop" installation companies. They can replace all windows in a house in one day, saving time and avoiding the need for different tradesmen to coordinate. These windows can be fitted with 'energy-saving' double glazing repairs near me glazing to achieve higher energy ratings than the traditional windows made of sash. However Double glazing seal repairs-glazed windows cannot duplicate the proportions and section of historic timber sashes.

3. Security

It is possible to secure windows that are traditional without compromising on their aesthetics. There are many types of ironmongery that can be fitted with sash chains, mortice bolts and sash locks. These can be installed in a manner that the window is able to be opened to allow ventilation and cleaning. These windows are typically not noticeable since they are designed to be used in conjunction with sash windows. They can be used alongside traditional sash-window catches, which must be replaced by more robust versions (such ones that have double screws) or spring levers to decrease the chance of them being hammered out.

Sash-window seal repairs frames were typically constructed from slow-growing deal or, in the more prestigious houses made of oak. If the glazing bars are still in good condition and are not damaged, they should be left. If it is feasible, the cills made of timber should be replaced by wood that matches. PVC-u companies often offer a one stop shop installation service, removing and replacing windows on a complete home in a single day without the need to involve other tradespeople, or coordinate visits from different suppliers.

4. ventilation repair cambridgeshire

When sash windows were first introduced in the 17th century, they allowed a large amount of light to flood into structures. By the end of the 18th century they were modified to let even more light into rooms and larger glazing panes began to be made. The result was a much more streamlined appearance, and windows with a higher degree of elegance than before.

Sash windows were introduced that required a brand new range ironmongery. Early pulleys were of wood, later Victorian ones could be made of brass or a combination of lead and wood and there were various types of shutter hinges and knobs. These ironmongery elements should always be retained and cleaned down to ensure that the exquisite quality of their design can be appreciated.

Timber windows require regular maintenance to keep them in good order. Inattention to maintenance can result in:

Sashes that do not slide smoothly.

holes in the frame that allow water causing damage and decay.

break down of putty allowing water penetration that could lead to decay of the frame and cill.

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

The replacement window repairs near me industry has done a lot to persuade house owners that their old windows are old, dirty, and beyond repair. The reality is that many old windows made of wood are in good shape and, with minor repairs, could easily be serviceable for many years to be.

5. Maintenance

A traditional sash window needs regular maintenance and inspection. Inability to keep up with this can lead to the sash cords breaking, a lot of wear on the glazing bars and the deterioration of putty and paint. The removal of sashes may also result in structural movement within the frame, causing the sash to not close properly. It is also possible for the sash be snagged or fixed in the open position and this can let water and draughts enter the property.

Moisture penetration is a frequent cause of damage to windows made of timber. This can be prevented with careful painting, regular repairs and the elimination of the cause of dampness. Wet rot is recognisable due to the wavy appearance of the existing paint which can be stripped away to reveal soft, rotting timber. The rotten timber sections should be carefully removed and the affected part should be snared together or pieced together with replacements of the exact nature as the rest of the timber. This repair method increases the amount of fabric used in the first place 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. The product is brushed on the surface of the wood to protect it and stabilize it. It is especially beneficial to treat pulley cords and sash, where it can prevent breakage.

It is crucial to restore and not replace any historical ironmongery, such as stay latches and sash latches. They can be extremely difficult to replace without harming the the original design. It is also recommended that the use of modern aluminum fittings such as chain stays and sash lifts should be avoided if possible as they can cause corrosion and deterioration of timber frames and sashes.