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How to Restore Timber Sash Windows in cambridge windows and doors

Many homes in Cambridge have traditional sash windows and homeowners are proud of the way they appear. Sash windows can become stuck and become difficult to open and close. This is usually due to moisture, which can cause the wood to swell.

Box sash windows were historically operated with chains or cotton cords as well as weights made of lead. Modern windows with sash springs are concealed to solve this problem.

1. Aesthetics

Contrary to PVC-u windows which are manufactured according to imperial sizes that are modular Timber sash windows can be restored to their original dimensions. This allows the restoration to meet modern day energy requirements while ensuring compliance with conservation area regulations. It also comes with a window that is far superior to upvc doors Repairs alternatives.

Sliding sash window frames were initially only used for large buildings or public buildings. However this changed as production became cheaper and artisans could create larger frames using larger glass. At 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.

The first windows were made of clear glass however, in the 17th century sash windows started to become more attractive. They started with coloured glazing bars, also known as mullions. They were expensive at first, but as glass production became less expensive and more efficient, they were an integral feature in many historic homes.

In the 19th century, it became possible to produce large, sturdy glasses that didn't need support bars. This allowed the frame size to increase more, which in turn allowed for a wider view out of the window repairs near me. This was a significant advancement.

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

The most commonly used type of sash is constructed of slow-growing deal (pine) however oak was also used in more expensive buildings as well as in some earlier examples. A parting bead separates the two sashes, and it is important that this is maintained to prevent rattles and draughts. The idler wheels, sash pulleys and sash rollers are crucial to the operation of the window.

2. Energy efficiency

Sash windows replaced hinged cases as larger and clearer sheets became available. Glass plates were set in frames made of timber, which were secured with glazing sprigs and putty was applied to both sides of the frame for watertightness. This kind of glazing gradually replaced leaded lights.

Sashes were introduced, which resulted in an increase in demand for ironmongery. The most basic fittings were brass pulleys (and later cast-iron) weights and stoppers for sashes shutter hinges and handles and a variety of fasteners to fix the sashes. They were often decorated with designs, inscriptions, and engravings to identify the maker.

Sash windows can be extremely energy efficient if they are maintained regularly. But, if you don't maintain them, they may become drafty and let in cold air. Paint and putty may cause draughts too. You can fix this problem by using wood-to-timber products.

The market for replacement windows rests on the belief that traditional windows are rotten and beyond repair, but they are able to be maintained with just a little care. These repairs can be expensive and cause a lot of disruption in the home. Many homeowners opt to replace their windows using PVC-u from a "one-stop shop" company for installation. They can replace and remove all the windows in a house within a single day, avoiding the need to coordinate different tradesmen and making the whole process much quicker. These windows can be fitted with 'energy-saving double-glazing to attain higher energy ratings than the traditional windows made of sash. However these double-glazed units are unable to replicate the section and proportions of the sashes made of timber from the past.

3. Security

It is possible to secure traditional windows without compromising their appearance. Ironmongery such as mortice bolts, sash chain and sash lock could be used. They can be fitted so that the window is still capable of being opened to allow ventilation or cleaning. These products are often not noticeable since they are designed to work with sash windows. They can be used in conjunction with traditional sash window catches that should be replaced with more robust versions (such as those incorporating double screws) or spring levers to decrease the risk of them being opened by hammering.

Sash-window frames were traditionally constructed from slow grown deal or, in the more prestigious houses made of oak. When glazing bars have survived they should be kept, and, if possible, the timber of the cill should be replaced with identical wood. Many PVC-u firms offer a one-stop shop installation service. They can take out and replace windows on a complete home in a single day, without involving any other tradespeople.

4. Ventilation

When sash windows first introduced in the 17th century, they allowed a substantial amount of light to flood into the buildings. At the end of the 18th century, they had been adapted so that even more light could be let into rooms. Larger glass panes were also created. The result was a lighter appearance and windows that were more elegant.

The introduction of sash windows also demanded a new range of ironmongery. Early pulleys were made from wood, whereas later Victorian ones were made from brass or a combination of wood and lead, and there were various types of shutter hinges and knobs. The ironmongery pieces need to be cleaned and preserved to appreciate their exquisite design.

To keep them in good condition, timber windows require regular maintenance. Inattention to maintenance can result in:

Sashes that do not slide easily.

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

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

In the I920s and I930s, steel casement windows grew in popularity due to their strength, slim and cheap, and complemented the vogue for healthy living. However, research has shown that traditional softwood sash windows are just as efficient thermally as double-glazed PVC-u windows and are more attractive than the modern sleek design of casement windows.

The replacement window doctor near me industry has done a great job convincing homeowners that their old windows were rotten drafty, noisy and beyond repair. The reality is that many old timber windows are in good shape and, with minor repairs, could easily be serviceable for many years to be.

5. Maintenance

The traditional sash windows need regular maintenance and inspection. Inability to keep up with this could result in the sash cords breaking, a lot of wear on the glazing bars, and deterioration of paint and putty. The removal of sashes could also cause structural movement in the frame, causing the sash to not close correctly. It is also possible for the sash be snagged or fixed in the open position and let water and draughts into the structure.

Moisture penetration is a common cause of damage to windows made of timber. This can be avoided by thorough painting, regular repairs, and removing the source of dampness. Wet rot is recognisable by the wavy look of the paint, which can be stripped away to reveal rotting, soft timber. Any rotten sections of timber must be removed and the affected area carefully cut or pieced with replacements made of the same type of wood as the ones that remain. This method of repair maximizes the amount of fabric that was originally used and is among the most minimally invasive methods of treating the rot that occurs between timber and timber.

The use of a wood consolidant made from resin is another alternative to the traditional method of staining and sanding. It is brushed onto the surface of the wood to protect it and strengthen it. It is especially useful for treating pulley cords and sash where it can prevent breakage.

It is essential that any historic ironmongery such as sash stay and latches are kept and restored rather than replacing them. It can be difficult to replace these items without compromising their original design. It is also recommended that modern fittings made of aluminium like sashlifts and chainstays, be avoided as they can cause deterioration and corrosion of timber frames and sashes.