Why All The Fuss About Cambridge Window?

Maintaining Timber Windows

A well-maintained and maintained timber window is a crucial element of the historic structure of a building. It reflects in different degree the materials and technologies of the time it was constructed, the design and craftsmanship.

When repairs are feasible to windows that are already in use should be done in-situ. Repairing the worst areas of decay can be accomplished using proprietary resin-based systems.

Durability

The timber windows in many historical buildings were made to last for a long time. They do require maintenance to keep them looking good. Maintenance tasks include repairs to sash cords, retightening of pulleys on sash, and painting. The need to upgrade windows made of timber to increase efficiency in energy use is also growing. This can include replacing old glazing units, repairing existing window rebates or installing new cills for improved air seal.

One of the main issues with traditional windows is damage caused by corrosion of the paintwork. This is especially important where windows made of sash are involved because the gaps between the sashes can be quite wide. In these situations, water can penetrate paint film and cause rotting of the wood or putty beneath. The rotting may be further aggravated by weather conditions that are not ideal. To stop this from happening windows from becoming rotten, they must be regularly painted with an exterior wood paint that is suitable.

In addition to repainting, areas that have corroded should be repaired with the help of a resin-based repair solution. This will ensure that the best possible amount of the original fabric remains. It is crucial to reduce the number of holes that are created into the frame to allow cable entry, since they can let in moisture and cause decay.

Another major issue with older windows is the structural movement within the wall, which can lead to deformation of the frame and sash. This can lead to sash not fitting correctly, jamming or sticking in the opening, or breaking glass. Most often, this is corrected by the fitting of new sash boxes that have been made from slow grown deal (pine) or oak. The cill should be made from a sturdy hardwood such as oak to avoid any movement between the new and existing work.

To reduce the risk There are a variety of companies that produce Boston pattern wooden sash that will fit into the majority of existing openings. They are available in a range of sizes and finishes to suit the requirements of the modern homeowner. Combined with quadruple draught strips and improved thermal insulation, these new sash can make significant improvements to the energy efficiency of a home.

Aesthetics

Many old timber frames possess a dazzling aesthetic appeal, as they display, in a certain form, the quality of the wood technology, the construction process, and the architectural taste from the time period they were made. They also may have significant historical value in their in their own right. This is particularly true of windows that were unglazed in the early days of timber-framed structures, 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 intruders.

It is crucial to maintain the appearance of traditional timber window joinery. As soon as Repair My Windows And Doors see any signs of decay caused by moisture penetration it is crucial to stop it. This is best accomplished by a thorough painting process, especially in areas that have already suffered damage or degradation. It is advisable to use paints designed to be used as part of a system (primer, undercoat and finish) and to follow the manufacturer's recommendations in relation to preparation and the number of coats required at each stage.

Wet rot is a frequent issue in older timber windows. The best way to stop it becoming a problem is to take out 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 prevent any differential movement.

In the late period of the 17th century and the middle of the medieval period, glass became cheaper and more abundant, so that the glazed openings in timber-framed buildings gradually became elegant with wooden tracery moulded mullions, moulded mullions, and deep protruding cills. In recent years, glazing was pinned into frames that were rebated with glazing sprigs, not lead cames. This method of glazing is not just less prone to leaking but also allows for larger and clearer sheets of glass to be used in the windows than would have been possible without the need for leaded lights.

Energy efficiency

Traditional timber windows provide excellent energy efficiency due to their thickness and multi-layer construction. They also pay meticulous attention to detail. They also have large glass areas and deep projecting cills that reduce air infiltration. The windows can be made to improve their energy efficiency through draughtproofing and secondary glazing. However, it is important to keep in mind that these measures must be considered in the context of the overall integrity and appearance of the window in its original form.

Therefore, keeping the existing windows from the past that are in need of repair rather than replacing them is sensible particularly when thermal improvements can be achieved cost-effectively through simple repairs and upgrades. The windows of the past often have a historical value that illustrates a variety of technical development and changes in architectural style. The pressure to replace these windows are generally based on the assumption that old windows will need replacement in the near future, however most are still capable of serving for 150, 200 or even 250 years if properly maintained.

It is crucial to recognize that the decay issues associated with traditional timber windows can be prevented by regular maintenance and timely repairs. In addition, it is essential to identify damp penetration problems and fix them promptly to avoid serious damage. The early deterioration of paint is a concern because it allows moisture to get into the wood, which can cause wet rot. The damage is usually not apparent until the paintwork is wavy or cracked however, it can cause serious structural damage, and could lead to further decay.

A good quality paint will prevent this moisture penetration. It is also essential to keep the paintwork in good condition to avoid mould and condensation. The use of modern synthetic paints can pose a problem because they are usually designed to be water-resistant and this may cause the growth of mildew within the window frame.

The majority of older windows were constructed from timber with an extensive proportion of sapwood. These timbers deteriorate quickly if exposed to rain, but they can be protected by a thorough preservation treatment before use. It is also important to ensure that the type of wood used is suited to the climate and site conditions, since these factors can affect the longevity of the joinery. Local window manufacturers have a wide range of timber sash which can be customized to fit historic openings. They can be built to the standard Boston pattern dimensions or to custom sizes that fit with historic buildings.

Maintenance

The lifespan of windows made of timber can be extended considerably through regular inspections, careful redecoration and timely repair. The major cause of decay is the penetration of moisture through the deteriorated paint and putty. This can be avoided with thorough painting and the use of an excellent wood preservative.

It is essential that repairs to old sash or casement windows are done correctly, and carried out with the minimum disturbance. Repairs can be made to several traditional designs of timber windows without having to remove the frame. This is a must whenever it is possible. Loose or peeling paint must be removed with care and sanded lightly to increase the 'key' of the surface, allowing for an easier adhesion of the new coating. It is crucial to avoid removing old paint layers, which could have historical significance.

If a piece of timber is rotten, the best course of action is to remove the rotted material and replace it with spliced-in timber inserts that are shaped to match existing profiles. The wood that is being inserted should be treated with a wood preserver and the connection between the timber cill and sub-cill for masonry should be sealed.

Replacement of windows made of traditional PVC-u can be a tempting option, especially when the installer provides an "all-in-one" installation service that can handle removal and replacement within a day. It is crucial that installers of replacement windows are aware of the history and construction of traditional timber frames. This will enable them to make the appropriate recommendations for energy efficiency improvements as well as other technological advancements that won't affect the appearance of an historic building. The windows that are replaced should be registered with a Competent Persons Scheme like as FENSA. This will ensure that replacement windows are deemed to be approved in accordance with Building Regulations as a suitable option. It is quite possible for a skilled and experienced carpenter to install PVC-U windows that match the character of the building originally. This is especially true when the windows are located in listed buildings and conservation areas.