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Maintaining Timber Windows

A well-maintained upvc window lock repair made of timber is a significant element of the historic fabric of a structure. It illustrates in varying degrees the materials and technologies as well as the craftsmanship and architectural style of the time from which it originates.

If it is possible, repairs must be done in-situ. Repair systems made of resin can be used to repair the worst areas of decay without removing the entire window.

Durability

The windows made of wood in many historic structures were designed to last for a long time. They require regular maintenance to keep them looking good. Maintenance tasks include repairs to sash cords and retightening sash pulleys and painting. There is also a growing demand for upgrading timber windows to increase energy efficiency. This can include replacing old glazing units, repairing the window rebates that are in place or installing new cills for improved air seal.

The corrosion of paintwork is a major issue with traditional windows. This is particularly important when sash windows are concerned as the gaps between sashes can often be quite large. In these instances water can get into paint film and cause rotting of the putty or wood beneath. Poor weather conditions can exacerbate the rotting. To prevent this, windows should be painted regularly with a suitable exterior wood paint.

In addition to repainting, corroded areas must be repaired using an adhesive-based repair product. This will ensure that the best possible amount of the original fabric is preserved. It is also important to limit the number of holes that are drilled into the frame for cable entry since these could let in water and cause decay.

Another significant problem with older windows is structural movement in the wall that can lead to deformation of the frame and sash. This can lead to the sash fitting incorrectly, jamming or sticking in the opening, and broken glass. This is often corrected by putting in new sash frames made of slow-grown deal (pine), or oak. The cill should be constructed from a sturdy hardwood, such as oak, to avoid the movement of new and older work.

To help reduce this problem, there are now a variety of companies that make Boston pattern wooden sash that can be fitted into most openings. They are available in a variety of sizes and finishes that meet the requirements of modern-day homeowners. These sash are coupled with quadruple draft strips and a better thermal insulation, can make a huge difference to the efficiency of your home's energy usage.

Aesthetics

A lot of old timber frames have a high aesthetic appeal because they show, in some form, the materials, technology, and architectural style of the time they were built. They also may have a significant historic value in their individual cases. This is especially true of windows that were unglazed in the early days of timber-framed buildings, where the majority were simply a series of openings in frames of structural construction, which were divided horizontally by mullions and vertical wood or iron bars to protect against invaders.

Traditional Window Maintenance joinery made from timber is a beautiful element of a structure and is crucial to maintain its appearance. It is vital that any decay that results from water penetration is immediately stopped once it is recognised. It is best to do this by thorough painting, especially if there is damage or degradation. It is recommended to choose paints that are intended to be used in a set (primer undercoat and finish) and to adhere to the manufacturer's recommendations for preparation and number coats at each stage.

The fungus that causes wet rot can spread quickly in old windows made of timber. To prevent this from happening, get rid of any damaged or rotten parts as promptly as you are able to. The replacement of wood that is rotting must be done with care by using a slow-growing deal (pine) and, wherever feasible it is the same species as which is being removed to avoid shifting between the new section and the existing timbers.

In the late medieval and 17th century periods glass became less expensive and more abundant, and the openings for glazed glass in timber-framed buildings gradually became more sophisticated, with tracery made of wood moulded mullions, moulded mullions, and deep protruding cills. In recent years, glass was fixed to frames that were rebated with glazing sprigs, not lead cames. This method of glazing is not just less prone to leaks but also allows for more expansive clearer, more transparent sheets of glass to be used in the windows than would have been possible without the need for lead lights.

Energy efficiency

The traditional timber windows are energy efficient due to their thickness, multilayer construction and attention to detail. They also have large glass areas as well as deep projecting cills that minimise air infiltration. With secondary glazing and draught proofing, windows can be made more efficient to improve their energy efficiency. However it is essential to keep in mind that these measures should be evaluated in relation to the overall appearance and integrity of the original window.

It makes sense to repair or upgrade existing windows that are older rather than replacing them, especially when the improvements in thermal efficiency can be achieved by simple repairs. Older windows are usually of historical value, as they reflect a variety of technological advancement and changes in architectural taste. The pressures to replace these windows are generally 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 or even 250 years, if properly maintained.

It is important to recognize that decay issues with traditional timber windows can be preventable by timely and thorough repairs. In addition, it is essential to recognize damp penetration issues and fix them promptly to avoid serious damage. Early paint deterioration is a major issue, since it allows moisture penetrate the wood and cause wet rot. This damage is often not evident until the paintwork is wavy or cracked however, it can cause serious structural damage, and could lead to further decay.

A paint of good quality will prevent moisture penetration. It is also essential to keep the paintwork clean to avoid mould and condensation. Modern synthetic paints pose a challenge because they are often water-resistant and can cause mildew to develop within the window hinges leeds frame.

The majority of older windows were constructed from timber with a high proportion of sapwood. These timbers can deteriorate very quickly when exposed to moist weather conditions, but they can be protected with a thorough preservative treatment before they are used. It is essential to select the right kind of wood for your location and the climate, since these factors will affect the durability of the joinery. Local window maintenance manufacturers have an array of timber sash which can be customized to fit historic openings. They can be produced in the standard Boston pattern or in custom sizes to suit historical buildings.

Maintenance

Regular inspection as well as careful redecoration and prompt repairs can extend the lifespan of windows made of timber. The most common cause of decay is moisture intrusion through the deterioration of paint and putty. This can be avoided by using a high-quality wood preservative and painting the wood thoroughly.

It is crucial that repairs to the old sash and aluminium casement windows cambridge windows are properly executed and done with minimal disruption. It is possible to repair many traditional timber window designs without removing the frame. This should be done whenever possible. Remove peeling or loose paint and lightly sand the surface to improve the "key" of the surface. This will allow the new coating to adhere better. Be careful to avoid stripping paint layers that could have historical value If these are present it is recommended that a paint analysis be carried out.

When a section of wood is decayed, the best solution is to remove it and replace it with timber inserts designed to match existing profiles. The wood that is inserted should be treated with wood preservative and the connection between the timber cill and sub-cill for masonry should be sealed.

It is tempting to replace traditional windows with PVC u, particularly when the installer offers an 'all-in-one' installation which includes both removal and replacement in one day. However, it is essential that the person installing replacement windows has a full understanding of the construction and history of traditional timber frames. This will allow them to make appropriate suggestions for energy efficiency improvements and other technological upgrades that will not harm the historical character of a building. Window replacements should be registered with a Competent Persons Scheme like FENSA. This will ensure that replacement windows are approved by the Building Regulations as a suitable alternative. It is quite possible for a skilled and experienced carpenter to install PVC-U windows that are sympathetic to the style of the original building. This is particularly true where the windows are located in listed buildings and conservation areas.