How to Restore Timber sash window Repair cambridge windows (https://lovewiki.faith) Windows in Cambridge

Many homes in Cambridge 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 usually due to moisture which can cause the wood to expand.

Box sash windows were historically operated using chains or cotton cords as well as weights made of lead. Modern sash windows come with hidden springs to overcome this problem.

1. Aesthetics

Timber sash windows, unlike PVC-u windows, which are made in imperial sizes that are modular, are able to be restored to original dimensions. This allows the restoration to be in line with modern energy requirements while still complying with conservation areas regulations. It also comes with a window that is far superior to the uPVC alternatives.

Sliding windows with sash were initially intended for large structures or public buildings. However this changed as production became cheaper and artisans could create larger frames using larger glass. At the close of the 18th century, sash windows were the most sought-after wooden windows and doors cambridge style in British homes. Since they were easy to open sash windows allowed light into rooms without the need for curtains.

Early windows were plain glass but by the 17th century sash windows were becoming more decorative, with coloured glazing bars and moulded mullions. They were expensive at first, but as glass production became cheaper and more efficient, they were a common feature in many homes of the period.

In the 19th century it was possible to manufacture large, strong glass that did not require supporting bars. This allowed the frame size to be enlarged further and this in turn gave a better view from the window. This was a very important improvement.

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 allowed for better ventilation to buildings.

Oak was used for older and more luxurious buildings. A parting bead separates the two sashes, and it is vital that it is maintained to prevent rattles and drafts. It is also essential that sash pulleys and idler wheels are kept in good working order as they assist in operating the window.

2. Energy efficiency

As larger and clearer glass sheets became available, sash window began replacing hinged casements. Glass plates were set in frames of timber that were rebated, then which were pinned with glazing sprigs, and putty was sprayed on the frame’s sides for watertightness. This type of glazing gradually replaced the use of leaded lights.

Sashes were introduced, which led to a greater demand for ironmongery. The basic fittings included brass pulleys (and later cast-iron) weights, sash stoppers shutter hinges, handles and shutter hinges as well as various fasteners used to secure the sashes. They were often decorated with motifs, inscriptions, and engraved patterns to identify the maker.

With regular maintenance, sash windows are extremely energy efficient. Without this maintenance they can get noisy. Putty and paint can also cause draughts. This can be fixed by using wood-to-timber repair products that are specifically designed for this purpose.

The industry of replacement windows is based on the assumption that traditional windows are rotten and beyond economical repair, while 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 avoid this homeowners, many opt for a complete replacement with PVC-u windows from one of the large “one-stop shop” installation companies. They can take down and replace all the windows in a home within a single day, avoiding the need to co-ordinate 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. However double-glazed windows cannot duplicate the proportions and section of historic timber sashes.

3. Security

Traditional windows can be secured without compromising their appearance. Ironmongery like mortice bolts, sash chain and sash lock could be installed. They can be fitted so that the window is still open to allow ventilation or for cleaning. They are generally minimal in appearance, as they are designed to fit the sash window. They can be used in conjunction with traditional sash window catch. These should be replaced by more robust models, such as those with double screws or spring levers to decrease the risk of being hit with hammers.

Sash-window repairs cambridge frames were traditionally constructed from slow-growing deal or, in the more luxurious homes, from oak. Where glazing bars have survived they should be preserved, and if it is feasible, the wood of the cill should be replaced with the same wood. PVC-u companies typically provide a one-stop shop installation service that can remove and replacing windows across a home in a single day without the need to involve other tradespeople or coordinate visits from different suppliers.

4. Ventilation

When sash windows first introduced in the 17th century they allowed a large amount of light to flood into structures. In the 18th century, they were modified so that more light could be let into the rooms. Larger glass panes were also produced. The result was a lighter look and windows that were more elegant.

Sash windows were introduced that required a brand new range ironmongery. The first pulleys were made of wood, whereas later Victorian ones could be made of brass or a mixture of lead and wood, and there were various types of shutter hinges and knobs. The ironmongery pieces need to be kept clean and preserved in order to appreciate their fine design.

To keep them in good condition, timber windows need to be maintained. A lack of regular attention can lead to:

sashes that no longer slide smoothly.

holes in the frame that allow water, which can cause damage and decay.

break down of putty, allowing water to penetrate, which could lead to decay of the frame and cill.

Steel casement windows were popular in the I920s and I930s due to their strength and slim, cost-effective and matched the trend of healthy living. Research has shown that softwood sash window are just as effective as PVC-u windows and can even be more attractive.

The industry of replacement windows was able to convince homeowners that their old windows were decayed drafty, noisy and beyond repair. The reality is that many old timber windows are in good shape and with minor repairs can easily be repaired for many years to be.

5. Maintenance

A traditional sash window requires regular maintenance and inspection. If you fail to maintain your window’s sash, it could lead to the sash cords breaking and the glazing bars wearing out excessively. It can 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 become misaligned and in a position that it is not able to close properly. The sash could also get stuck in its open position, which allows water and draughts into the building.

Damage to windows made of timber is usually caused by moisture penetration. This can be avoided with regular maintenance as well as thorough painting, and then removing the cause of dampness. The paint can be removed to reveal the soft, rotting wood. The rotten timber sections should be carefully removed and the affected part should be snared together or glued together using replacements of the same kind as the timber that remains. This method of repair increases the amount of fabric left, and is one of the least invasive ways of treating decay of timber to timber.

A wood condenser made of resin is a viable alternative to traditional staining or sanding. The product is brushed on to the surface of the timber to stabilise and shield it from further damage. It is particularly beneficial in the treatment of sash cords and pulleys which help stop breakage.

It is important that any old ironmongery such as sash stay and latches are retained and restored instead of replacing them. It can be difficult to replace these items without compromising their original design. It is recommended that the use of modern aluminum fittings like chain stays and sash lifts should be avoided if possible since they can cause corrosion and deterioration of frames and sashes made of timber.