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Maintaining Timber Windows

A well-maintained wooden window is a crucial component of a historical building. It is a representation of the various materials and Window glass replacement cambridge techniques as well as the craftsmanship and architectural style of the time from which it dates.

When repairs are feasible to existing windows are required, they should be made in-situ. Repairing the most severe areas of decay is possible by using specialized resin-based systems.

Durability

The timber windows in many historic buildings were built to last for centuries. They require regular maintenance to ensure they look good. The most common maintenance tasks include repairs to sash cords as well as tightening sash pulleys and painting. There is also a growing demand for upgrading timber windows to increase the efficiency of energy. This may include replacing old glazing units, fixing the window rebates that are in place or installing new cills to improve air seal.

One of the major issues with traditional windows is damage caused by corrosion of the paintwork. This is particularly important in the case of sash windows, as the gaps between sashes can often be extremely large. In these situations, water can penetrate paint film and cause rotting of the wood or putty beneath. The weather can be a factor in accelerating the rotting. To stop this from happening upvc windows cambridge from becoming rotten, they must be painted regularly with a suitable exterior wood paint.

The areas that are damaged should be repaired with a resin-based product. This will ensure that the highest possible amount of the original fabric remains. It is also important to minimise the number of holes that are drilled into the frame to allow cable entry as these can let in water and cause decay.

The wall's structural movement can also lead to distortions in the frame and the sash. This could result in the sash not fitting properly or sticking or jamming into the opening and window replacement cambridge cracked glazing. Often this can be corrected by fitting new sash boxes made from slow grown deal (pine) or oak. The cill should be constructed from a sturdy hardwood, like oak, to prevent shifting between the new and existing work.

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

Aesthetics

Many old timber frames have a great aesthetic appeal, since they display, in a certain form, the materials technology, the construction process, and the architectural style of the time they were built. They could have significant historical significance on their own. This is particularly true for early unglazed windows in timber-framed structures, where the majority were simply a series of openings within structural frames subdivided horizontally by mullions with vertical wood or iron bars to keep out intruders.

Traditional window joinery made of timber can be a stunning element of a structure and is essential to maintain its appearance. As soon as you notice any signs of decay caused by moisture penetration it is essential to stop it. This is best accomplished by a thorough painting process, especially in areas that have already suffered damage or deterioration. It is recommended to use paints specifically designed to be used part of the system (primer as well as undercoat, finish and primer) and follow the manufacturer's guidelines in terms of preparation and the amount of coats required at each stage.

Wet rot is a common issue in old timber windows and the best method to stop it from becoming a problem is to take out any damaged or rotten sections as soon as possible to prevent the spread of the fungus that causes it. Replace rotting wood with slow-grown deal (pine), and Window glass replacement cambridge should it be possible, the same kind of timber that is being removed to prevent the possibility of differential movement.

In the late period of the 17th century and the middle of the medieval period, glass became less expensive and more abundant, so that the glazed openings in timber-framed buildings gradually became more sophisticated, with tracery made of wood as well as moulded mullions and protruding cills. In recent times, glass was fixed to rebated frames with glazing sprigs instead of lead cames. This method of glazing is not only less susceptible to leaks, but it can allow for much wider and clearer sheets of glass to be used in the windows than would be possible without the need for leaded lights.

Energy efficiency

Traditional timber windows offer an excellent energy performance due to their thickness and multi-layer construction, as well as careful attention to detailing. The large glass areas, deep projecting cills and large glazing areas help to reduce air infiltration. With secondary glazing and draught proofing, the windows can be improved to increase their energy efficiency. However it is crucial to remember that such measures should be viewed in relation to the overall integrity and appearance of the original window.

As a result, retaining the existing windows from the past that are in need of repair rather than replacing them is logical, particularly when their thermal enhancements can be achieved inexpensively with simple repairs and improvements. The windows that are historic have a lot considered to be of historical value because they show a range in technological advancements and changes to architectural style. The pressures to replace these windows are generally based on the assumption that the old windows will need replacement windows cambridge in the near future, however the majority of them are in a position to last for 150, 200 or even 250 years, if properly maintained.

It is essential to understand that the decay problems associated with traditional timber windows can be prevented by thorough maintenance and swift repairs. Additionally it is crucial to recognize damp penetration issues and fix them promptly to avoid serious damage. Early deterioration of paint is a particular problem, as it allows moisture to 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 good paint will prevent moisture penetration. It is also necessary to keep the paintwork clean to avoid condensation and mould growth. Modern synthetic paints pose a challenge because they are often water-resistant, and can cause mildew to grow within the window 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 wet weather, but can be preserved with a thorough treatment of preservative before they are used. It is essential to select the right type of wood for the location and climate, as these factors will affect the durability of the joinery. Local Window glass replacement cambridge window repair, https://upvcwindowscambridge59713.develop-blog.com, manufacturers produce various types of timber sash that can be customized to fit specific openings from the past. They can be constructed according to the standard Boston pattern dimensions or to specific dimensions that are compatible with the architectural style of historic buildings.

Maintenance

The life span of windows made from timber can be extended considerably by regular inspection, careful redecoration and prompt repair. The main cause of decay is the infiltration of moisture through deteriorated paint and putty. This can be avoided by 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 completed with minimal disruption. Many of the traditional designs for timber windows are repairable without removing the frame, and this method should be followed whenever feasible. Loose or peeling paint should be removed with care and lightly sanded to improve the 'key' of the surface, allowing for a better adhesion of the new coating. It is important to not remove old paint layers that may have historical value.

Where a section of timber has become rotten the best course of action is to remove the rotted material and replace it with spliced-in timber inserts that are shaped to fit the existing profiles. The timber that is inserted should be treated using wood preservative. The junction between masonry sub-cills and timber cill should be sealed.

Replacement of traditional windows with PVC-u is an appealing option, particularly when the installer provides an "all-in-one" installation that handles removal and replacement in a 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 improvements to energy efficiency and other technical upgrades that will not harm the character of a historic building. Window replacements should be registered with a Competent Persons Scheme like FENSA. This will ensure that the replacement windows are approved as a suitable solution under Building Regulations. It is certainly possible for a skilled and experienced carpenter to install PVC-U windows that are sympathetic to the style of the building originally. This is especially relevant when windows are located within listed buildings or conservation areas.