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Maintaining Timber Windows

A well-maintained and maintained timber window is a crucial element of the historic structure of a building. It reflects in varying levels, the materials and techniques of the time period it was constructed, as well as the design and craftsmanship.

Whenever possible repairs to existing windows should be made in-situ. Proprietary resin-based repair systems can be used to repair the most deteriorated areas without removing the whole window.

Durability

The windows made of wood in many historic buildings were made to last for hundreds of years. However, they need to be maintained to keep them looking great and working correctly. The most frequently-asked maintenance tasks include repairs to sash cords and re-tightening the sash pulleys and painting. The demand for upgrading timber windows to increase efficiency in energy use is also growing. This may mean replacing old glass repair cambridge units, fixing the window rebates that are in place or putting in new cills to allow for better air sealing.

The deterioration of paintwork is a major issue with traditional windows. This is particularly important when it comes to sash windows as the gaps between sashes can be very large. In these instances, water can penetrate the paint film and cause decay of the putty and the wood underneath. The rotting can be exacerbated by poor weather conditions. To prevent this, windows should be painted regularly with an exterior wood paint that is suitable.

Areas that have been damaged must be repaired with a resin-based product. This will ensure that the maximum amount of original fabric preserved. It is essential to limit the number of holes that are made into the frame in order to allow cable entry since they can let in moisture and cause decay.

The wall's structural movement could also cause distortions in the frame as well as the sash. This can result in the sash fitting incorrectly, jamming or sticking in the opening, and even broken glass. This can be fixed frequently by fitting new frames for sash made of slow-grown deal (pine) or oak. The cill must be made from a sturdy hardwood, like oak, in order to prevent any the movement of new and existing work.

There are several companies that make Boston pattern wooden sash to fit most existing openings. The sash is available in a variety of sizes and finishes that meet the needs of the modern homeowner. In conjunction with quadruple draught strip and better thermal insulation these sashes can make a an enormous difference to the energy efficiency of your home.

Aesthetics

Many old timber windows have a great aesthetic value because they typically show, in a particular way the materials and technologies and architectural style of the period from which they date. They could have significant historical significance as a set. This is especially true of early windows that were not glazed in timber framed buildings which were merely a series of openings within the frame, which were divided horizontally into mullions, and vertically into iron or wood bars to keep out intrusions.

Traditional upvc window repairs near me joinery made from timber can be a highly decorative element of a structure and is crucial to maintain its appearance. It is crucial that any decay caused by the penetration of moisture should be stopped as soon as it is identified. This is best accomplished by painting thoroughly, especially in areas that have already suffered damage or deterioration. It is recommended to use paints that are specifically designed to be used as part of a system (primer, undercoat and finish) and follow the manufacturer's instructions in relation to preparation and the number of coats required at each stage.

The fungus responsible for wet rot can spread quickly in old windows made of timber. To prevent this from happening, remove any damaged or rotten components as quickly as you can. Replace the wood that is rotting with slow-growing deal (pine), and should it be possible, the same kind of timber as the one that is being removed to prevent the possibility of differential movement.

Glass became more affordable and abundant in the late medieval period and into the 17th century. In the process, the glazed openings in timber-framed homes became more complex with moulded mullions, tracery made of wood and deep cills projecting into the air. In the past, more often, the glass was placed within frames with rebates and secured by 'glazing sprigs' rather than into lead cames. This method of glazing is not just less prone to leaks but also allows for much wider, clearer sheets of glass to be used in the windows than would otherwise be possible without the need for leaded lights.

Energy efficiency

Traditional timber windows are energy efficient because of their thickness and multilayer construction as well as care for detail. The large glass areas, the deep projecting cills, and the large glazing areas help to reduce air infiltration. With secondary glazing and draughtproofing windows can be made more efficient to improve their energy efficiency. However it is crucial to remember that such measures must be considered in relation to the overall appearance and integrity of the original window and door repair near me.

It is sensible to fix or upgrade windows that are older rather than replacing them, especially when the improvements in energy efficiency can be made through simple fixes. Historic windows often have a historical value that shows a variety of technical development and changes in architectural tastes. Most people assume that these windows will need to be replaced in the near future. However, they are still in service for 150,200, and even 250 years with proper maintenance.

It is essential to realize that decay issues in traditional timber windows are easily prevented with timely and thorough repairs. Additionally, it is essential to identify damp penetration problems and address them swiftly to avoid major damage. Early deterioration of paint is a major problem as it allows moisture to 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 can cause structural damage and further decay.

A quality paint will stop moisture from entering the paint. To prevent condensation and mould it is crucial to keep the paintwork as clean as it can be. The use of modern synthetic paints can be problematic because they are usually formulated to be water-resistant, and this can lead to the formation of mildew within the window frame.

The majority of older windows were constructed from sapwood-rich timber. The timbers will deteriorate quickly when exposed to wet weather, however they can be protected by an extensive preservative treatment prior to when they are used. It is also crucial to ensure that the kind of timber used is well-suited to the location and climate conditions, as these elements can affect the longevity of the joinery. Local window manufacturers provide a wide range of sash timbers that can be adapted to fit historical openings. They can be produced in the standard Boston pattern or in custom sizes that can be adapted to historical buildings.

Maintenance

The lifespan of windows made of timber can be extended significantly through regular inspections as well as a careful redecoration and prompt repair. The main cause of decay is moisture intrusion through deteriorated putty and paint. This can be prevented by careful painting and the use of an excellent wood preservative.

It is essential that repairs to old sash or casement windows are properly executed and done with the minimum disturbance. Many of the traditional designs for timber windows can be repaired without removing the frame, and this option should be followed whenever feasible. Loose or peeling paint should be removed with care and lightly sanded to improve the "key" of the surface and facilitate a better adhesion of the new coating. It is crucial to not remove old paint layers, which may have historical value.

Where a section of timber has become rotten the best option is to take out the rotten material and replace it with spliced-in timber inserts that are shaped to fit the existing profiles. The timber double glazed windows cambridge inserts should be treated with wood preservative, and the joint between masonry sub-cills and timber cill should be sealed.

Replacement of traditional windows with PVC-u is an attractive option, especially when the installer provides a 'one stop shop' installation that takes care of removal and replacement in the span of a day. However, it is essential that the person installing windows replacement has a thorough knowledge of the structure and history of traditional timber frames. This will allow them to make the appropriate recommendations for energy efficiency improvements and other technical improvements that will not harm the historical character of a building. Anyone who installs replacement windows should be registered with a Competent Persons Scheme, such as FENSA. This will ensure that replacement windows are deemed to be approved in accordance with Building Regulations as a suitable option. It is, of course, possible for an experienced and skilled carpenter to install PVC-U windows that are sympathetic to the the building originally. This is especially true where windows are installed in listed buildings or conservation areas.