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Maintaining Timber Windows

A well-maintained wooden window is an essential element of a building that is historic. It reflects in different degree the materials and techniques of the time it was constructed, the architectural style and craftsmanship.

If repairs are possible to existing windows should be carried out in situ. The repair system that is based on resin can be used to repair the most damaged areas of decay without removing the whole window.

Durability

Timber windows were designed to last for centuries. They do require some maintenance to keep them looking great. The most frequent maintenance tasks include sash-cord repairs and re-tightening the sash pulleys and painting. The demand for enhancing windows made of timber to improve efficiency in energy use is also growing. This could mean replacing old glass units, fixing existing window installation cambridge rebates or putting in new cills that allow for better air sealing.

A key problem with traditional windows is damage caused by corrosion of the paintwork. This is especially true in the case of sash windows as the gaps between sashes may be very large. In these circumstances, water can penetrate the paint film and cause rotting of the putty and the wood underneath. The rotting can be exacerbated by poor weather conditions. To prevent this windows, they should be regularly painted with a suitable exterior upvc locksmith cambridge wood paint.

Areas that have been damaged must be repaired using resin-based products. This will ensure that the best possible amount of the original fabric is preserved. It is also essential to limit the number of holes you drill into the frame to allow cable entry as these can allow water in and cause decay.

The structural movement of the wall can also lead to deformations in the frame and the sash. This can lead to the sash not fitting properly jamming, sticking or sagging in the opening, or breaking glass. This can be fixed frequently by fitting new sash frames made of slow-grown deal (pine) or oak. The cill must be constructed from a sturdy hardwood such as oak to avoid any movement between the old and new work.

There are now several companies that produce Boston pattern wooden sash that fit most existing openings. These sash come in various sizes and finishes to meet the requirements of modern-day homeowners. These new sash, when combined with quadruple draft strips and improved thermal insulation can make a significant difference to the efficiency of your home's energy usage.

Aesthetics

A lot of old timber frames have a great aesthetic appeal, since they reflect, in some form, the quality of the wood technology, the construction process, and the architectural style of the time they were constructed. They could have significant historical significance as a set. This is particularly true of early unglazed window doctor near me openings in timber-framed buildings, where the great majority were just a collection of openings in the structural frame sub-divided horizontally into mullions and wood or iron bars to keep out invaders.

It is essential to preserve the appearance of traditional timber window joinery. It is essential that any decay caused by water penetration is removed as soon as it is recognised. This is best done by painting thoroughly, especially in areas where there has already been damage or deterioration. It is recommended to use paints that are specifically designed to be used as part of the system (primer, undercoat and finish) and follow the manufacturer's instructions regarding preparation and the amount of coats required at each stage.

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

Glass became less expensive and more abundant in the late medieval period and into the 17th century. As a result, the glazed openings in timber-framed homes were more elaborate, with moulded mullions, tracery made of wood and deep cills projecting into the air. In recent years, glazing was pinned into rebated frames with cambridge double glazing sprigs rather than lead cames. This method of glazing not only makes the windows less likely to leak and also allows more clear glass sheets to be utilized than would have been possible without the use of leaded lights.

Energy efficiency

Traditional timber windows are energy efficient because of their thickness, multilayer construction and focus on detail. The large glass areas, the deep projecting cills, and the large glazing areas minimize air infiltration. Windows can be designed to increase their energy efficiency through draughtproofing and secondary glazing. However, it is important to keep in mind that these measures must be considered in terms of the overall integrity and appearance of the window in its original form.

It makes sense to fix or upgrade windows, rather than replacing them, particularly when improvements in energy efficiency can be made through simple repairs. The windows that are historic have a lot of historical significance, since they reflect a variety of technological advancements and changes to architectural style. Most people think that these windows will have to be replaced in the near future. However, they will last for 150, 200 or even 250 years if they are maintained with proper maintenance.

It is crucial to recognize that the decay issues that are associated with traditional timber windows can be avoided by regular maintenance and timely repairs. It is also important to recognize damp issues and address them promptly so that you can avoid serious damage. Paint deterioration that occurs early could be a problem as it allows moisture to penetrate into the wood, which can cause wet rot. This damage is often not evident until the paintwork is cracking or wavy but it can cause severe structural damage, and could lead to further decay.

A quality paint will prevent moisture penetration. It is also necessary to keep the paintwork in good condition in order to prevent condensation and mould growth. Modern synthetic paints pose a problem because they are water-resistant and may cause mildew to develop within the window frame.

Most older cambridge windows were made of sapwood-rich timber. These timbers can deteriorate very rapidly if exposed to wet weather, however they can be protected by a thorough treatment of preservative before they are put to use. It is crucial to select the right kind of wood for the site and climate, as these variables will affect the durability of the joinery. Local window manufacturers offer a wide range of sash made from timber that can be adapted to fit historical openings. They can be made in the standard Boston pattern or in custom sizes that can be adapted to historic structures.

Maintenance

Regular inspections, careful redecoration, and quick repairs can prolong the life of timber windows. The primary reason for decay is moisture infiltration through deteriorated putty and paint. This can be prevented by thorough painting and the use of a good quality wood preservative.

Repairs to sash windows that are old and frameless casement windows should be done with care and with minimal disruption. Many traditional timber window designs can be repaired without dismantling the frame, and this approach should be taken whenever possible. Remove loose or peeling paint and lightly sand the area to improve the 'key" of the surface. This will enable the new coating to adhere better. It is important to avoid removing old paint layers, as they could have historical significance.

If a piece of wood is rotting, the best solution is to take it off and replace it with timber inserts shaped to match the existing profiles. The timber that is inserted should be treated with wood preservative, and the joint between the masonry sub-cill and the timber cill should be sealed.

It can be tempting to replace traditional windows with PVC u, particularly if the installer offers an installation that includes both replacement and removal in one day. It is important that the installers of replacement windows are aware of the history and design of traditional timber frames. This will enable them to make the appropriate suggestions for energy efficiency improvements and other technological improvements that don't alter the appearance of a building that is historic. Those who provide replacement windows must be registered under a Competent Persons Scheme such as FENSA. This will ensure that replacement windows are approved in accordance with Building Regulations as a suitable alternative. It is certainly possible for an experienced and skilled carpenter to install PVC-u windows that are sympathetic to the style of the original building. This is especially true where windows are installed in listed buildings or conservation areas.