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Maintaining Timber Windows

A well-maintained and maintained timber window is a significant part of the historic structure of a building. It reflects in varying degrees, the materials and technologies of the time period it was constructed, as well as the craftsmanship and architectural taste.

If repairs are possible to windows that are already in use should be done in situ. The repair system that is based on resin can be used to fix the most damaged areas of decay without removing the whole window.

Durability

Timber windows were made to last for centuries. They do require maintenance to keep them looking great. Maintenance tasks include repairs to upvc doors to sash cords as well as tightening the sash pulleys and painting. The need to upgrade timber windows to increase efficiency and energy efficiency is also increasing. This can involve replacing old glass units, fixing the window rebates that are in place or putting in new cills that allow for improved air sealing.

One of the major issues with traditional windows is the damage caused by 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 instances water can get into the paint film and cause rotting of the putty as well as the wood beneath. The rotting may be further aggravated by weather conditions that are not ideal. To stop this from happening windows from becoming rotten, they must be painted regularly using an exterior wood paint that is suitable.

Areas that have been damaged must also be repaired using a resin-based product. This will ensure that the maximum amount of original fabric retained. 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.

The structural movement of the wall can also lead to distortions in the frame and sash. This can result in sash no longer fitting correctly, sticking or jamming in the opening and cracked glazing. This can be corrected often by fitting new sash frames constructed of slow-grown deal (pine) or oak. The cill should be constructed from a sturdy hardwood such as oak to prevent movement between the existing and new work.

To alleviate this issue, there are now several companies that make Boston pattern wooden sash that will fit into the majority of existing openings. These sash are available in a variety of sizes and finishes to suit the needs of today's homeowner. Combined with quadruple draught strips and better thermal insulation these sashes can make a an enormous difference to the energy efficiency of your home.

Aesthetics

Many old wooden windows have an excellent aesthetic value since they usually show, in a particular way, the materials and technology and architectural style of the time from which they date. They may have significant historical significance on their own. This is especially true of early unglazed window and door repair near me openings in timber framed buildings where the great majority were just a collection of openings within the frame that were subdivided horizontally into mullions and wood or iron bars to deter invaders.

Traditional window joinery made from timber is a beautiful element of a structure and is crucial to keep its appearance. It is vital that any decay caused by water penetration is immediately stopped once it is recognised. It is recommended to do this through thorough painting, especially if there has been damage or deterioration. It is advisable to use paints designed to be used as part of a system (primer undercoat, finish) and follow the manufacturer's instructions in terms of preparation and number of coats required at each stage.

Wet rot is a common issue in old timber windows and the best way to stop it growing is to eliminate any damaged or rotten parts immediately to prevent the spread of the fungus that causes it. The replacement of wood that is rotting should be carefully undertaken by using a slow-growing deal (pine) and, whenever feasible it is the same species as which is being removed in order to prevent shifting between the new section and the existing timbers.

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

Energy efficiency

Traditional timber windows have excellent energy efficiency due to their thickness and multi-layer construction. They also pay meticulous attention to detail. They also feature large glass areas and projecting cills that minimise air infiltration. With secondary glazing and draughtproofing windows can be upgraded to improve their energy efficiency. It is important to keep in mind that these measures should be considered when it comes to the overall integrity and look of the original windows.

It makes sense to fix or upgrade windows that are older rather than replacing them, especially when the improvement in thermal efficiency can be made by simple repairs. Older windows are usually considered to be of historical value because they reflect a variety of technological advancement and changes in architectural style. The pressure to replace these windows are generally based on the assumption that windows that are old will need to be replaced in the near future, but most are still in a position to last for 150, 200 or even 250 years if properly maintained.

It is crucial to recognize that the decay issues that are associated with traditional timber windows can be prevented by regular maintenance and timely repairs. It is also important to recognize damp issues and address them promptly to avoid major damage. Early paint deterioration can be a problem because it allows moisture to penetrate into the wood, which can cause wet rot. This damage is often not noticed until the paintwork is damaged or wavy however, it can cause serious structural damage, and could lead to further decay.

A good paint will block moisture penetration. It is also necessary to keep the paintwork in good condition to avoid condensation and the growth of mould. Modern synthetic paints pose a challenge because they are often water-resistant and may cause mildew to develop within the window frame.

The majority of windows from the past were made from timber that contained an extensive proportion of sapwood. These timbers can deteriorate very quickly when exposed to moist weather, however they can be preserved with a thorough treatment of preservative before they are used. It is crucial to select the right type of wood for your location and climate, as these variables will affect the durability of the joinery. Local window maintenance manufacturers offer 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 fit with historic buildings.

Maintenance

The life of timber windows can be extended through regular inspections as well as a careful redecoration and prompt upvc door repair cost. The main cause of decay is moisture leaking through deteriorated paint or putty. This can be prevented by using a quality wood preservative and painting the wood thoroughly.

upvc repairs near me to old sash windows as well as window frames made of casement must be done with care and minimal disruption. It is possible to fix the majority of traditional wooden window designs without removing the frame. This should be done whenever possible. Peeling or loose paint should be removed with care and sanded lightly to improve the 'key' of the surface, allowing for a better adhesion of the new coating. Care should be taken to avoid stripping paint layers that could have historical value, and where these are present it is recommended that a study of the paint be conducted.

If a portion of wood has rotted the best option is to take it off and replace it with timber inserts that are shaped to match existing profiles. The inserted wood should also be treated with a wood preserver and the connection between the timber cill and the sub-cill for masonry should be sealed.

Replacement of windows made of traditional PVC-u can be an appealing option, particularly when the installer provides a 'one stop shop' installation that handles removal and replacement in one day. It is essential that installers of replacement windows have a deep understanding of the history and construction of traditional timber frames. This will allow them to make appropriate recommendations for energy-efficiency improvements and other technological advancements that won't alter the appearance of an historic building. The windows that are replaced should be registered with a Competent Persons Scheme, such as FENSA. This will ensure that the replacements are approved as a suitable solution under Building Regulations. It is, of course, possible for a skilled and experienced carpenter to install PVC-U windows that fit the character of the original building. This is particularly true where windows are installed in listed buildings or conservation areas.