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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 varying degrees, the technology and materials of the time in which it was constructed, the design and craftsmanship.

If repairs are possible to windows that are already in use should be carried out in situ. The repair system that is based on resin can be used to repair the most deteriorated areas without having to remove the entire window.

Durability

The windows made of wood in many old buildings were built to last for centuries. But, they have to be maintained to ensure they look good and operating properly. Maintenance tasks include repairs to sash cables, retightening of pulleys for sash and painting. The demand for upgrading timber windows to improve energy efficiency is also growing. This could include replacing old glazing units, fixing existing window maintenance rebates, or installing new cills to increase the air seal.

A key problem with traditional windows is damage caused by the corrosion of the paintwork. This is especially true in the case of sash windows because the gaps between sashes may be very large. In these instances water can get into the paint film and cause rotting of the putty as well as underlying wood. Weather conditions that are not ideal can accelerate the decay. To avoid this, windows should be regularly painted with a suitable exterior wood paint.

In addition to repainting, areas that have corroded must be repaired using the help of a resin-based repair solution. This will ensure that the maximum possible amount of the original fabric remains. It is also important to limit the number of holes that are drilled into the frame for cable entry as these can let in water and cause decay.

The wall's structural movement can also lead to distortions in the frame as well as sash. This can result in sash not fitting correctly and jamming or sticking into 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 constructed of a durable hardwood like oak to prevent movement between the new and existing work.

There are now several companies that produce Boston pattern wooden sash that fit into the majority of existing openings. These sash are available in a range of sizes and finishes that meet the needs of today's homeowner. Combined with quadruple draught strips and better thermal insulation these sashes can make a significant improvements to the energy efficiency of a home.

Aesthetics

Many old timber windows have a high aesthetic value because they typically show, in a particular way, the materials and technology and architectural taste of the time in which they date. They could have significant historical value on their own. This is particularly true of windows that were unglazed in the early days of timber-framed buildings, where the majority of them were series of openings in frames of structural construction, which were divided horizontally by mullions, and vertically by wood or iron bars in order to keep out intruders.

Traditional window joinery made of timber is a beautiful aspect of a building, and is essential to maintain its appearance. It is vital that any decay caused by the penetration of moisture should be immediately stopped once it is recognised. This is best accomplished by applying a thorough coat of paint, particularly in areas that have already suffered damage or degradation. It is recommended to choose paints that are intended to be used in a system (primer undercoat and finish), and to adhere to the manufacturer's recommendations for preparation and number coats at each stage.

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

Glass became less expensive and more abundant in the late medieval era and into the 17th century. In the process, the double glazed door repairs openings in timber-framed homes became more complicated with moulded mullions and traceries, made of wood and deep cills projecting into the air. In recent years, glazing was fixed to frames that were rebated using glazing sprigs rather than lead cames. This method of glazing is not just less prone to leaking but also allows for much wider clearer, more transparent sheets of glass to be used in the windows than would otherwise be possible without the need for lead lights.

Energy efficiency

Traditional timber windows offer an excellent energy performance due to their thickness and multi-layer construction. They also pay careful attention to detailing. They also have large glass areas as well as deep projecting cills that reduce air infiltration. With secondary glazing and draughtproofing the windows can be improved to improve their energy efficiency. However it is essential to keep in mind that these measures must be considered in relation to the overall quality and appearance of the window repair near me in its original form.

It is sensible to repair or upgrade existing historic windows rather than replace them, especially when the improvements in energy efficiency can be made through simple repairs. Historic windows often have an historic value that demonstrates a range of technical development and changes in architectural tastes. Most people think that these windows will need to be replaced in the near future. However, most are still in service for 150, 200 or even 250 years if they are maintained with proper maintenance.

It is important to recognise that the decay issues caused by traditional timber windows can be avoided by regular maintenance and swift repairs. It is also crucial to recognize damp issues and fix them quickly so that you can avoid serious damage. Early paint deterioration is a concern because it allows moisture to get into the wood, leading to wet rot. This type of damage is typically not evident until the paintwork becomes damaged or wavy but it can cause severe structural damage, and could lead to further decay.

A good quality paint will prevent this moisture from entering. To prevent condensation and mould, it is important to keep the paintwork as clean as you can. The use of modern synthetic paints could be a problem, as they are often made to be water-resistant and this may result in the formation of mildew within the window frame.

The majority of older windows were constructed from timber with an extensive proportion of sapwood. These timbers can deteriorate very quickly when exposed to moist weather, however they can be protected by a thorough treatment of preservative before they are used. It is also crucial to ensure that the kind of wood used is suited to the climate and site conditions, as these factors affect the durability of the joinery. Local window manufacturers have an array of sash timbers that can be made to fit the historic openings. They can be made to the standard Boston pattern dimensions or to custom sizes that are in keeping with historic buildings.

Maintenance

The life span of windows made from timber can be extended through regular inspections as well as a careful redecoration and prompt repair. The main reason for the decay is the infiltration of moisture through deteriorated paint and putty. This can be prevented by using a quality wood preservative and thoroughly painting the wood.

upvc repairs near me to old sash windows as well as aluminium casement windows cambridge; great site, window frames must be done with care and with minimal disruption. A lot of traditional wooden window lock repairs designs can be repaired without dismantling the frame, and this approach should be taken whenever feasible. Loose or peeling paint must be removed with care and lightly sanded to improve the "key" of the surface and facilitate an improved adhesion of the new coating. It is important to not remove old paint layers that may have historical value.

Where a section of timber is rotten, the best course of action is to eliminate the rotten material and replace it with spliced-in timber inserts that are shaped to match the existing profiles. The inserted timber should also be treated with a wood preservative. The junction between masonry sub-cill and timber cill should be sealed.

It is tempting to replace traditional windows with PVC u, particularly when the installer provides an installation that includes both replacement and removal within a single day. It is crucial that installers of replacement windows have a deep understanding of the history and design of traditional timber frames. This will enable them to make appropriate recommendations for energy-efficiency improvements and other technological advancements that won't alter the appearance of an historic building. Those providing replacement windows should be registered with a Competent Persons Scheme such as FENSA. This will ensure that replacement windows are deemed to be approved under Building Regulations as a suitable alternative. A skilled carpenter can put in PVC-u Windows that are sympathetic to original building's character. This is particularly true where windows are situated in listed buildings or conservation areas.