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Maintaining Timber Windows

A well-maintained wooden window is an essential component of a historical building. It reflects in varying degrees, the materials and technologies of the time it was constructed, as well as the craftsmanship and architectural taste.

When repairs are feasible to existing windows should be done in-situ. Repairing the most deteriorated areas of decay can be accomplished using proprietary resin-based systems.

Durability

Timber windows were made to last for hundreds of years. They do require some maintenance to ensure they look good. The most frequently-asked maintenance tasks are repairs to sash-cords and re-tightening the sash pulleys and painting. The demand for upgrading timber windows cambridge to improve efficiency in energy use is also growing. This can involve replacing old glass units, repairing existing window rebates or putting in new cills for improved air sealing.

A key problem with traditional windows is damage caused by the corrosion of the paintwork. This is particularly important when it comes to sash windows as the gaps between sashes may be quite large. In these circumstances, water can penetrate the paint film and cause rotting of the putty as well as the wood underneath. The rotting may be further aggravated by poor weather conditions. To prevent this from happening, windows need to be regularly painted with an exterior wood paint.

In addition to repainting, corroded areas should be repaired with a resin-based repair product. This will ensure that the greatest amount of original fabric is preserved. It is also important to minimise the number of holes you drill into the frame for cable entry since these could let in water and cause decay.

Another issue with older windows is structural movement in the wall, which could cause deformation of the frame and sash. This could result in the sash not fitting properly, jamming or sticking in the opening, and even broken glass. This can be fixed frequently by fitting new sash frames constructed of slow-grown deal (pine), or oak. The cill should be constructed of a strong hardwood like oak, to prevent shifting between the new and existing work.

To help reduce this problem to reduce the risk of this happening, there are a number of companies who manufacture Boston pattern sash made of wood that will fit into the majority of existing openings. These sash come in various sizes and finishes that will suit the needs of modern-day homeowners. 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 windows have a great aesthetic value because they typically demonstrate, in a way the materials and technologies and architectural style of the time in when they were built. They could also have a significant historic value in their own right. This is particularly true of windows that were unglazed in the early days of timber-framed buildings, where the great majority were just a collection of openings within the frame, which were divided horizontally into mullions, and vertically into iron or wood bars to deter intruders.

Traditional window joinery made of timber is a beautiful aspect of a building, and is essential to keep its appearance. It is vital that any decay resulting from the penetration of moisture should be immediately stopped once it is identified. It is best to do this by thorough painting, particularly if there has been damage or deterioration. It is recommended to choose paints that are intended to be used in a set (primer undercoat and finish) and follow the manufacturer's guidelines for preparation and number coats at each stage.

The fungus responsible for wet rot can quickly spread in old windows made of wood. To prevent this, get rid of any rotten or damaged parts as quickly as you can. The replacement of wood that is rotting must be done with care with a slow-growing deal (pine) and, wherever feasible it is the same species as which is being removed in order to prevent shifting between the new section and the existing timbers.

In the late the 17th and early the medieval periods, glass became less expensive and more abundant, and the openings for Double Glazed Door Seal Repairs glass in timber-framed buildings gradually became more sophisticated, with tracery made of wood moulded mullions, moulded mullions, and deep projection cills. Increasingly, the glazing was laid within rebated frames and secured with 'glazing sprigs' rather than into lead cames. This method of glazing is not only less prone to leaks but it also allows more expansive clearer, more transparent sheets of glass to be used in the windows than would otherwise be possible without the need for leaded lights.

Energy efficiency

Traditional timber windows offer a good energy performance due to their thickness and multi-layer construction, as well as attentive attention to detail. The large glass surfaces, the deep projecting cills, and the large glazing areas help to reduce air infiltration. With secondary glazing and draughtproofing, windows can be made more efficient to improve their energy efficiency. However it is essential to keep in mind that any such measures must be considered in the context of the overall appearance and integrity of the original window.

It is logical to upvc door repair cost or upgrade existing windows that are older rather than replacing them, particularly when improvements in energy efficiency can be made through simple fixes. Older windows typically have historical significance that demonstrates a range of technical development and changes in architectural style. The pressures to replace these windows are usually based on the assumption that the old windows will need replacement in the near future, however they are capable of providing service for 150, 200 and even 250 years if they are properly maintained.

It is crucial to understand that decay issues in traditional timber windows are avoidable with timely and thorough repairs. It is also essential to recognize damp issues and address them promptly to avoid major damage. Paint deterioration that occurs early is a concern because it allows moisture to penetrate into the wood, causing wet rot. It is not uncommon for this issue to go undetected until the paintwork begins to crack or becomes wavy. However, it could cause structural damage and lead to further decay.

A high-quality paint will stop this moisture from entering. It is also necessary to keep the paintwork spotless in order to prevent condensation and the growth of mould. The use of modern synthetic paints can pose a problem because they are usually designed to be water-resistant and this can result in the formation of mildew inside the window installation cambridge frame.

The majority of windows from the past were manufactured from timber containing an extensive proportion of sapwood. These timbers are susceptible to deterioration rapidly if 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 your location and the climate, since these factors will affect the durability of the joinery. Local window manufacturers have an array of sash made from timber that can be adapted to fit historical openings. They can be produced in the standard Boston pattern or in custom sizes to fit the architectural style of historic buildings.

Maintenance

Regular inspection as well as careful redecoration and prompt repairs can extend the life of timber windows. The primary cause of decay is moisture infiltration through deteriorated paint and putty. This can be avoided by thorough painting and the use of an excellent wood preservative.

Repairs to old sash windows as well as casement window frames should be handled with care and minimal disruption. Many traditional timber window designs can be repaired without removing the frame, and this method should be followed whenever feasible. Remove any peeling or loose paint and lightly sand the area to improve the "key" of the surface. This will allow the new coating to adhere better. Care should be taken to avoid stripping paint layers that might have historical significance and if they are present it is recommended that a study of the paint be conducted.

When a section of wood has rotted the best way to deal with it is to remove it and replace it with timber inserts shaped to match existing profiles. The inserted wood should also be treated with a wood preserver, and the junction between the cill for timber and the sub-cill of the masonry should be sealed.

It's tempting to replace traditional windows with PVC u, particularly if the installer offers an installation that includes both removal and replacement in one day. It is vital that the installer of windows replacement has a thorough understanding of the construction and history of traditional timber frames. This will allow them to make the right recommendations for energy-efficiency improvements and other technological upgrades that won't affect the appearance of a building that is historic. Anyone who installs replacement windows should be registered with a Competent Persons Scheme such as FENSA. This will ensure the replacements are deemed acceptable under Building Regulations as a suitable option. It is certainly possible for a skilled and experienced carpenter to install PVC-u windows that fit the the original building. This is particularly true when the windows are in listed buildings or conservation areas.