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Maintaining Timber Windows

A well-maintained wooden window installation cambridge is an important part of a historic building. It illustrates in varying degrees the materials and technologies as well as the craftsmanship and architectural style of the period from which it originates.

If possible, repairs should be made on-site. Repairing the most deteriorated areas of decay is possible by using specialized resin-based systems.

Durability

Timber windows were made to last hundreds of years. But, they have to be maintained to keep them looking great and working correctly. The most frequent maintenance tasks include sash-cord repairs, re-tightening sash pulleys, and painting. The demand for enhancing windows made of timber to improve efficiency in energy use is also growing. This may mean replacing old cambridge double glazing units, repairing the window rebates that are in place, or installing new cills the air to door seal repair near me better.

A key problem with traditional windows is damage caused by corrosion of the paintwork. This is particularly important when sash windows are involved as the gaps between the sashes can be quite wide. In these circumstances water may get through the paint film and cause rotting of the putty and the wood beneath. Weather conditions that are not ideal can accelerate the rotting. To prevent this from happening, windows need to be painted regularly with an exterior wood paint.

In addition to repainting, areas that have corroded should be repaired with a resin-based repair product. This will ensure that the highest possible amount of the original fabric is preserved. It is also essential to reduce the number of holes drilled into the frame for cable entry as these can let in water and cause decay.

The structural movement of the wall could also cause distortions in the frame as well as the sash. This can lead to the sash not fitting properly jamming, sticking or sagging in the opening, and even broken glass. This can often be fixed by fitting new sash boxes constructed from slow-growing deal (pine) or oak. The cill must be constructed of a durable hardwood like oak to avoid differential movement between the existing and new work.

To reduce the risk to reduce the risk of this happening, there are several companies that manufacture Boston pattern wooden sash that will fit most existing openings. They are available in various sizes and finishes that fit the needs of modern-day homeowners. These new sash, when combined with quadruple draft strip and a better thermal insulation, can make a huge difference to the energy-efficiency of a home.

Aesthetics

Many old timber frames possess a dazzling aesthetic appeal because they reflect, in some form, the materials, technology, and architectural style of the time they were constructed. They could have significant historical value as a set. This is especially true of early unglazed window openings in timber-framed buildings, where the great majority were just a collection of openings within the structural frame sub-divided horizontally into mullions and vertical wood or iron bars to keep out intrusions.

Traditional timber window joinery can be a stunning element of a structure and is essential to maintain its appearance. When you spot any decay caused by moisture penetration it is essential to stop it. It is recommended to do this with thorough painting, especially where there has been damage or deterioration. It is advisable to use paints that are designed to be used as part of the system (primer as well as undercoat, finish and primer) and follow the manufacturer's guidelines in relation to preparation and the number of coats required at each stage.

Wet rot is a common problem for old timber windows and the best method to stop it from growing is to eliminate any damaged or rotten parts immediately to prevent the spread of the fungus responsible for it. Replace rotting wood with slow-grown deal (pine), and if possible, the same kind of timber as the one being removed, to avoid differential movement.

Glass became less expensive and more abundant during the late medieval period and into the 17th century. As a result, the openings for glazed windows on timber double glazed windows cambridge-framed houses became more complicated with moulded mullions and traceries, made of wood and cills that protruded deep. In recent years, glass was fixed into rebated frames with glazing sprigs instead of lead cames. This method of glazing is not only less prone to leaking but it also allows more expansive and clearer sheets of glass to be used in windows than would otherwise be possible without the need for lead lights.

Energy efficiency

Traditional timber windows provide excellent energy efficiency due to their thickness and multi-layer construction, as well as attentive attention to detail. They also feature large glass areas as well as deep projecting cills that minimise air infiltration. Windows can be designed to improve their energy efficiency through draughtproofing and secondary glazing. However it is essential to remember that such measures should be viewed in relation to the overall quality and appearance of the original window.

It is sensible to repair or upgrade existing windows that are older rather than replacing them, particularly when improvements in energy efficiency can be made through simple fixes. Older windows typically have historical significance that illustrates a variety of technological advances and changes in architectural taste. The pressures to replace such windows are typically based on the assumption that the old windows will need replacement in the near future, however they are capable of providing service for 150, 200 and even 250 years if properly maintained.

It is essential to realize that decay problems with traditional timber windows are easily prevented with prompt and thorough repairs. Additionally, it is essential to identify damp penetration problems and address them swiftly to prevent serious damage. The early deterioration of paint is a major issue, since it allows moisture penetrate the wood and cause wet rot. It is not uncommon for this issue to go unnoticed until paintwork begins to crack or become wavy. However, it could cause structural damage and then further decay.

A paint of good quality will stop moisture from entering the paint. It is also necessary to keep the paintwork clean in order to prevent mould and condensation. The use of modern synthetic paints can pose a problem, as they are often formulated to be water-resistant, and this can cause the growth of mildew in the window frame.

The majority of windows from the past were constructed of sapwood-rich timber. These timbers are susceptible to deterioration quickly when exposed to wet weather conditions, but they can be protected with an extensive preservative treatment prior to when they are used. It is also essential to ensure that the kind of wood used is suitable to the site and climate conditions, as these elements will influence the durability of the joinery. Local window supplier cambridge manufacturers provide various types of sash made from timber that can be customized to fit historic openings. They are available in the standard Boston pattern or in custom sizes that can be adapted to the architectural style of historic buildings.

Maintenance

Regular inspection carefully redecorated, as well as quick repairs can prolong the life of timber windows. The primary cause of wood decay is moisture penetration through the deteriorated paint and putty. This can be avoided by thorough painting and the use of a good quality wood preservative.

It is important that repairs to old sash and casement windows are done correctly and done without causing any disturbance. A lot of traditional wooden window designs can be repaired without dismantling the frame, and this approach should be followed whenever feasible. Loose or peeling paint should be removed with care and sanded lightly to improve the 'key' of the surface, allowing for a better adhesion of the new coating. It is essential to avoid removing old paint layers, as they may have historical significance.

If a piece of wood has rotted the best option is to remove it and replace it with timber inserts shaped to match the existing profiles. The wood that is being inserted should be treated with wood preservative and the connection between the timber cill and the masonry sub-cill should be sealed.

It can be tempting to replace traditional windows with PVC u, particularly when the installer provides an 'all-in-one' installation which includes both replacement and removal within a single day. However, it is crucial that the person who installs replacement windows has a complete knowledge of the construction and history of traditional timber frames. This will enable them to make the right suggestions for energy efficiency improvements and other technological improvements that don't affect the appearance of an historic building. Window replacements should be registered with a Competent Persons Scheme such as FENSA. This will ensure that the replacement windows are approved as a suitable option under Building Regulations. It is, of course, possible for an experienced and skilled carpenter to install PVC-U windows that fit the style of the original building. This is particularly true where the windows are located in listed buildings and conservation areas.