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Maintaining Timber Windows

A well-maintained window made of timber is a crucial element of the historical structure of a building. It reflects in varying degrees, the materials and techniques of the time period it was made, upvc Locksmith cambridge the craftsmanship and architectural taste.

Whenever possible repairs to existing windows should be done in situ. Repairing the worst areas of decay can be done using proprietary resin-based systems.

Durability

The windows made of wood in many historic buildings were built to last for centuries. However, they need to be maintained to ensure that they look good and functioning properly. Maintenance tasks include repairs to sash cables, retightening of pulleys on sash, and painting. The demand for upgrading timber windows in order to improve efficiency in energy use is also growing. This can include replacing old glazing units, fixing the window rebates that are in place or installing new cills to increase the air seal.

One of the major issues with traditional windows is the damage caused by corrosion of the paintwork. This is particularly true when sash windows are involved as the gaps between the sashes can be very wide. In these cases, water can penetrate paint film and cause rotting of the putty or wood beneath. The weather can be a factor in accelerating the decay. To stop this from happening, windows should be regularly painted with an exterior wood paint.

The areas that are damaged should be repaired with a resin-based product. This will ensure that the maximum amount of the original fabric is retained. It is also essential to limit the number of holes drilled into the frame for cable entry, as they could admit water and lead to decay.

The structural movement of the wall can also lead to distortions in the frame as well as the sash. This can result in sash no longer fitting correctly, sticking or jamming in the opening, and damaged glazing. This can be corrected often by fitting new sash frames made of slow-growing deal (pine) or oak. The cill must be made of a strong hardwood like oak, to avoid shifting between the new and old work.

To alleviate this issue There are several companies that make Boston pattern wooden sash that will fit most existing openings. The sash is available in a range of sizes and finishes that meet the needs of the modern homeowner. Combined with quadruple draught strips and better thermal insulation these new sash can make significant improvements to the energy efficiency of a home.

Aesthetics

Many old timber frames have a great aesthetic appeal, since they show, in some form, the quality of the wood, technology, and architectural aesthetics of the time they were built. They may have significant historical significance in their own right. This is particularly true for early windows that were not glazed in timber-framed structures, where the majority were series openings in structural frames that were subdivided horizontally by mullions and vertical iron or wood bars to protect against intrusions.

Traditional window and door repair near me joinery made of timber can be a stunning aspect of a building, and is crucial to keep it looking good. As soon as you notice any signs of decay due to the penetration of moisture, it is important to stop it. This can be done by a thorough painting process, especially in areas where there has already been damage or deterioration. It is best to choose paints that are intended to be used in a system (primer undercoat and finish), and to follow the manufacturer's guidelines for preparation and number coats at each stage.

Wet rot is a common problem in old timber windows and the best method to stop it from growing is to eliminate any damaged or rotten sections immediately to prevent the spread of the fungus responsible for it. The replacement of wood that is rotting should be carefully undertaken using slow grown deal (pine) and, whenever feasible, the same species as which is being removed to prevent shifting between the new and old timbers.

Glass became less expensive and more abundant in the late medieval era and into the 17th century. As a result, the glazed openings in timber-framed homes became more complicated with moulded mullions, tracery made of wood and deep cills projecting into the air. In the past, more often, the glass was set within rebated frames and then pinned by 'glazing sprigs' rather than into lead cames. This method of glazing is not just less susceptible to leaks, but it also allows larger clearer, more transparent sheets of glass to be used in the windows than would be possible without the need for leaded lights.

Energy efficiency

Traditional timber windows have excellent energy efficiency due to their thickness, multi-layer construction and very meticulous attention to detail. The large glass areas, deep projecting cills, and the large glazing areas minimize air infiltration. With secondary glazing and draughtproofing windows can be upgraded to increase their energy efficiency. However it is essential to keep in mind that these measures should be viewed in relation to the overall integrity and appearance of the original window.

It makes sense to repair or upgrade existing windows, rather than replacing them, particularly when improvements in thermal efficiency can be achieved through simple emergency upvc door repairs. Older windows are usually of historical value, as they reflect a variety of technological advancements and changes to the architectural style. The pressure to replace these windows are generally based on the assumption that the windows of the past will require replacement in the near future, but they are capable of providing service for 150, 200 or even 250 years, if properly maintained.

It is important to recognize that decay issues associated with traditional timber windows are preventable by timely and thorough upvc repairs near me. It is also essential to recognize damp issues and address them promptly so that you can avoid serious damage. The early deterioration of paint is a particular problem, because it allows moisture to penetrate the wood and cause wet rot. It is not uncommon for this type of damage to go undetected until the paintwork begins to crack or become wavy. However, it could cause structural damage and further decay.

A quality paint will block moisture penetration. To avoid condensation and mould, it is important to keep the paintwork as clean as you can. Modern synthetic paints are problematic since they are usually water-resistant and may cause mildew to grow in the window frame.

Most older windows were made from sapwood-rich wood. These timbers can deteriorate very quickly when exposed to wet weather, but can be protected with a thorough treatment of preservative before they are used. It is crucial to select the right type of wood for your location and the climate, since these factors can affect the durability of the joinery. Local window manufacturers provide an array of sash made from timber that can be customized to fit historic openings. They can be made according to the standard Boston pattern dimensions or to custom sizes that fit with the architectural style of historic buildings.

Maintenance

The life span of cambridge windows and doors made from timber can be extended considerably through regular inspections carefully redecoration, and timely upvc door repair cost. The primary cause of decay is moisture intrusion through deteriorated putty and paint. This can be prevented by using a quality wood preservative and painting the wood thoroughly.

Repairs to old sash windows and casement window frames should be done with care and with the least amount of disruption. It is possible to repair the majority of traditional wooden window designs without having to remove the frame. This should be done as often as is feasible. Remove peeling or loose paint and lightly sand the area to improve the 'key" of the surface. This will enable the new coating to stick better. Be careful 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 carried out.

Where a section of timber has begun to decay, the best way to proceed is to take out the rotten material and replace it with spliced-in inserts that are shaped to fit the existing profiles. The wood that is being inserted should be treated with a wood preservative, and the junction between the timber cill and the sub-cill of the masonry should be sealed.

Replacement of traditional windows with PVC-u may be an attractive option, especially when the installer provides a 'one stop shop' installation that takes care of removal and replacement in one day. It is crucial that installers of replacement windows are aware of the history and construction of traditional timber frames. This will enable them to make the right recommendations for energy efficiency improvements as well as other technological advancements that won't alter the appearance of an historic building. Anyone who installs replacement windows should be registered with a Competent Persons Scheme, such as FENSA. This will ensure that replacement windows are deemed acceptable in accordance with Building Regulations as a suitable option. It is, of course, possible for a skilled and experienced carpenter to install PVC-u windows that are sympathetic to the character of the original building. This is especially applicable when windows are in conservation areas or listed buildings.