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Maintaining Timber Windows

A well-maintained wooden Window seal repairs is an important part of a historic building. It reflects in different levels, the technology and materials of the time period it was constructed, as well as the craftsmanship and architectural taste.

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

Durability

The windows made of wood in many historical buildings were made to last for a long time. However, they need to be maintained to ensure they look great and working correctly. Maintenance tasks include sash cord repairs, retightening of pulleys for sash and painting. There is a growing need to upgrade the timber windows to improve energy efficiency. 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 the damage caused by the corrosion of the paintwork. This is especially important when it comes to sash windows as the gaps between sashes may be extremely large. In these instances, water can penetrate paint film and cause rotting of the putty or wood beneath. The rotting may be further aggravated due to weather conditions that are poor. To avoid this windows from becoming rotten, they must be painted regularly with an exterior wood paint that is suitable.

Corroded areas should be repaired using a resin-based product. This will ensure that the maximum amount of the original fabric is preserved. It is essential to limit the number of holes that are drilled into the frame to allow cable access, because they could let in moisture and cause decay.

The wall's structural movement could also cause deformations in the frame and the sash. This could result in sash not fitting correctly jamming, sticking or sagging in the opening, and even broken glass. This can be corrected often by putting in new frames for sash made of slow-grown deal (pine), or oak. The cill must be constructed from a sturdy hardwood such as oak to avoid differential movement between the old and new work.

There are a variety of companies that produce Boston pattern wooden sash window repair cambridge to fit in with the majority of openings. These sash come in a variety of sizes and finishes that suit the needs of modern-day homeowners. Together with quadruple draught strips and a better thermal insulation, these new sash can make significant improvements to the energy efficiency of your home.

Aesthetics

Many old timber windows have a great aesthetic value since they usually show, in a particular way, the materials and technology and architectural style of the time in which they originate. They could also have a significant historical significance in their own right. This is especially true for early windows that were not glazed in timber framed buildings where the great majority were merely a series of openings in the structural frame sub-divided horizontally into mullions and vertical iron or wood bars to keep out intruders.

Traditional window joinery made from timber can be a highly decorative feature of a building and is crucial to maintain its appearance. As soon as you see any signs of decay due to water penetration it is essential to stop it. This is best done by applying a thorough coat of paint, particularly in areas where there has already been damage or deterioration. It is advisable to use paints specifically designed to be used as part of the system (primer, undercoat and finish) and follow the manufacturer's guidelines regarding preparation and the number of coats needed at each stage.

The fungus responsible for wet rot can quickly spread in old timber windows. To prevent this, take out any damaged or rotten parts as promptly as you are able to. Replace rotting wood with slow-grown deal (pine) and, should it be possible, the same type of wood as the one 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 plentiful so that glazed openings in timber-framed buildings gradually became sophisticated, with tracery made of wood as well as moulded mullions and protruding cills. In recent times, glass was fixed into frames that were rebated using glazing sprigs rather than lead cames. This method of double glazing repairs near me not only makes the windows less likely to leak, but also allows for wider sheets of clearer glass to be employed than would be possible without the use of leaded lights.

Energy efficiency

Traditional timber windows provide a good energy performance due to their thickness and multi-layer construction. They also pay attentive attention to detail. They also have large glass areas as well as deep projection cills which reduce air infiltration. The windows can be modified to increase their energy efficiency with draught-proofing and secondary glazing. However it is essential to keep in mind that any such measures must be considered in the context of the overall integrity and appearance of the original window.

Therefore, keeping old windows that require repair rather than replacing them makes sense especially when their thermal enhancements can be achieved economically through simple repairs and improvements. Historic windows often have historical significance that shows a variety of technological advancement and changes in architectural taste. Many people believe that these windows will need to be replaced in the near future. However, many of them are still in service 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 typical of timber windows can be avoided through regular maintenance and timely repairs. In addition it is crucial to recognize damp penetration issues and to remedy them quickly to prevent serious damage. Early paint deterioration can be a problem because it allows moisture to get into the wood, which can cause wet rot. This type of damage is typically not noticed until the paintwork becomes cracking or wavy, but can cause significant structural damage and can lead to further decay.

A high-quality paint will prevent this moisture penetration. To prevent mould and condensation, it is important to keep the paintwork as clean as you can. Modern synthetic paints are problematic because they are often water-resistant and can cause mildew growth in the window frame.

The majority of older windows were made from timber that contained an extensive proportion of sapwood. The timbers will deteriorate quickly when exposed to moist weather, but can be protected by an extensive preservative treatment prior to when they are put to use. It is important to choose the appropriate type of wood for the location and climate, as these factors will affect the durability of the joinery. Local plastic window repair manufacturers offer an array 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 to fit historical buildings.

Maintenance

Regular inspection, careful redecoration, and quick repairs can prolong the lifespan of windows made of timber. The most common reason for decay is the infiltration of moisture through deteriorated putty and paint. This can be avoided with thorough painting and using an excellent wood preservative.

It is important that repairs to old sash and casement windows are well executed, and carried out with minimal disruption. Many of the traditional designs for timber windows can be repaired without dismantling the frame, and this approach should be used whenever it is feasible. Remove any peeling or loose 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 that could have historical significance.

Where a section of timber has become rotten the best course of action is to take out the rotten material and replace it with spliced-in inserts that are shaped to match existing profiles. The timber inserts should be treated using wood preservative, and the joint between the masonry sub-cill and the 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 handles removal and replacement within the span of a day. It is important that the installers of replacement windows have a deep understanding of the history and construction of traditional timber frames. This will enable them to make the appropriate suggestions for energy efficiency improvements and other technological upgrades that do not alter the character of a historic building. Anyone who installs replacement windows should be registered with a Competent Persons Scheme, such as FENSA. This will ensure the replacements are approved under Building Regulations as a suitable option. A skilled carpenter can put in PVC-u windows that conform to the original character of the building. This is especially true when windows are installed in listed buildings or conservation areas.