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Maintaining Timber Windows

A well-maintained and maintained timber window is an important element of the historical structure of a building. It illustrates in varying degrees the materials and technologies, craftsmanship and architectural taste of the period from which it originates.

When upvc door repairs are feasible to existing windows are required, they should be made in-situ. Repairing the worst areas of decay can be done using proprietary resin-based systems.

Durability

The windows made of wood in many historic buildings were built to last for hundreds of years. They do require some maintenance to keep them looking great. The most frequent maintenance tasks are repairs to sash-cords, re-tightening sash pulleys, and painting. The demand for enhancing timber windows to improve energy efficiency is also growing. This could mean replacing old double glazing cambridge units, repairing existing window rebates, or installing new cills that allow for better air sealing.

One of the major issues with traditional windows is the damage caused by corrosion of the paintwork. This is especially important where windows with sash are involved since the gaps between sashes can be quite wide. In these instances water can get into paint film and cause rotting of the putty or wood beneath. Poor weather conditions can exacerbate the decay. To stop this from happening windows, they should be painted regularly with a suitable exterior wood paint.

In addition to repainting, areas that have corroded should be repaired with a resin-based repair product. This will ensure the maximum amount of original fabric is preserved. It is also necessary to limit the number of holes that are drilled into the frame for cable entry since these could allow water in and cause decay.

The wall's structural movement could also cause deformations in the frame and the sash. This could result in sash no longer fitting correctly and jamming or sticking to the opening and cracked glazing. This can be fixed frequently by fitting new frames for sash made of slow-growing deal (pine) or oak. The cill should be constructed of a durable hardwood, such as oak, in order to prevent any the movement of new and older work.

To help reduce this problem, there are now a number of companies who make Boston pattern wooden sash that can be fitted into most openings. These sash are available in a variety of sizes and finishes to suit the needs of today's homeowner. Together with quadruple draught strips and improved thermal insulation, these sashes can make a an enormous difference to the energy efficiency of a home.

Aesthetics

Many old timber frames have a high aesthetic appeal because they show, in some form, the materials, technology, and architectural taste from the time period they were built. They could also have significant historical value in their in their own right. This is particularly true of early unglazed window openings in timber-framed buildings, where the great majority were simply a series of openings in the structural frame sub-divided horizontally into mullions and vertical wood or iron bars to keep out intrusions.

Traditional window joinery made from timber can be a stunning element of a structure and is crucial to keep its appearance. It is crucial that any decay resulting from the penetration of moisture should be stopped as soon as it is discovered. This is best done by applying a thorough coat of paint, particularly in areas in which there is already damage or deterioration. It is advisable to use paints specifically designed to be used part of a system (primer, undercoat and finish) and follow the manufacturer's guidelines in relation to preparation and number of coats needed at each stage.

Wet rot is a frequent problem in old timber windows. The best method to stop it from growing is to eliminate sections that are damaged or rotten as soon as possible to prevent the spread of the fungus that causes it. Replace rotting wood with slow-growing deal (pine), and if possible, the same type of wood as the one that is being removed to prevent the possibility of 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-framed houses became more complex with moulded mullions, wooden tracery and deep projecting cills. In recent years, glazing was fixed to frames that were rebated using glazing sprigs rather than lead cames. This method of glazing not only makes the windows less likely to leak, but also allows for larger sheets of glass to be employed than would be possible without the use of leaded lights.

Energy efficiency

The traditional timber windows are energy efficient because of their thickness and multilayer construction, as well as their attention to particulars. The large glass areas, deep projecting cills and large glazing areas minimize air infiltration. The windows can be modified to improve their energy efficiency with draught-proofing and secondary glazing. It is essential to remember that these measures must be taken into consideration when it comes to the overall integrity and look of the original windows.

As a result, retaining the existing windows from the past that are in need of repair instead of replacing them is sensible especially when their thermal enhancements can be made cost-effectively through simple Emergency upvc door repairs and improvements. The windows of the past often have an historic value that demonstrates a range of technical development and changes in architectural tastes. Many people believe that these windows will need to be replaced in the near future. However, they will last for 150, 200 or even 250 years with proper maintenance.

It is essential to understand that the decay issues associated with traditional timber windows can be prevented by thorough maintenance and timely repairs. It is also crucial to identify damp problems and fix them quickly so that you can 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 noticed until the paintwork is damaged or wavy, but can cause significant structural damage, and could lead to further decay.

A paint of good quality will prevent moisture penetration. To prevent mould and condensation, it is important to keep the paintwork as clean as you can. Modern synthetic paints pose a challenge because they are often water-resistant and may cause mildew to grow in the window frame.

The majority of windows from the past were manufactured from timber containing an extensive proportion of sapwood. These timbers can deteriorate quickly when exposed to rain, but they can be protected by a thorough preservation treatment before use. It is also crucial to ensure that the type of wood used is suitable to the site and climate conditions, as these factors affect the durability of the joinery. Local window manufacturers provide a wide range of sash made from timber that can be customized to fit historic openings. They can be produced in the standard Boston pattern or in custom sizes to fit historical structures.

Maintenance

Regular inspection, careful redecoration, and quick repairs can prolong the life of timber windows. The primary reason for decay is moisture intrusion through deteriorated paint and putty. This can be avoided by careful painting and the use of high-quality wood preservative.

It is important that repairs to old sash or casement windows are properly executed and completed with minimal disruption. Many traditional timber window designs can be repaired without removing the frame, and this approach should be taken whenever feasible. Paint that is peeling or loose must be removed with care and sanded lightly to increase the key of the surface, allowing for a better adhesion of the new coating. Be careful to avoid stripping old paint layers which may have historic value and if they are present it is recommended that a study of the paint be carried out.

Where a section of timber is rotten, the best way to proceed is to eliminate the rotten material and replace it with spliced-in timber inserts that are shaped to fit the existing profiles. The timber inserts should be treated using wood preservative. The junction between the masonry sub-cill and the timber cill should be sealed.

replacement windows cambridge of traditional windows with PVC-u is an attractive option, especially when the installer provides an "all-in-one" installation service that can handle removal and replacement in a day. However, it is vital that the installer of windows replacement has a thorough understanding of the construction and history of traditional wooden frames. This will allow them to make the appropriate suggestions for energy efficiency improvements and other technological upgrades that won't harm the historic character of a building. Those providing replacement windows should be registered with a Competent Persons Scheme like FENSA. This will ensure the replacements are deemed to be approved in accordance with Building Regulations as a suitable option. It is, of course, possible for a skilled and experienced carpenter to install PVC-U windows that are sympathetic to the the original building. This is especially true when windows are installed in listed buildings and conservation areas.