Why Cambridge Window Might Be Your Next Big Obsession
Maintaining Timber Windows
A well-maintained window made of timber is an important part of the historic fabric of a building. It reflects in different degrees, the materials and technologies of the time in which it was made, the design and craftsmanship.
Whenever possible repairs 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 fix the worst areas of decay without removing the entire window.
Durability
Timber windows were made to last for hundreds of years. However, they need to be maintained to ensure they look great and working properly. The most frequent maintenance tasks include repairs to sash cords and re-tightening the sash pulleys and painting. There is a growing need for upgrading timber windows to improve energy efficiency. This may include replacing old glazing units, fixing existing window rebates, or installing new cills to improve air seal.
One of the major issues with traditional windows is damage caused by the corrosion of the paintwork. This is particularly true when windows made of sash are involved because the gaps between the sashes can be quite wide. In these instances water may get through the paint film and cause decay of the putty and the wood underneath. The rotting may be further aggravated by poor weather conditions. To prevent this from happening, windows should be regularly painted with an exterior wood paint.
In addition to repainting, corroded areas should be repaired with an adhesive-based repair product. This will ensure the maximum amount of the original fabric is preserved. It is important to minimize the number of holes drilled into the frame to allow cable access, because they could let in moisture and cause decay.
Another issue with older windows is structural movement in the wall that can lead to deformation of the frame and sash. This can result in the sash not fitting properly and jamming or sticking to the opening and broken glazing. This can be fixed frequently by fitting new frames for sash made of slow-growing deal (pine) or oak. The cill should be constructed of a durable hardwood, like oak, to avoid shifting between the new and older work.
To help reduce this problem, there are now a variety of companies that manufacture Boston pattern wooden sash that will fit most existing openings. These sash are available in a range of sizes and finishes to suit the needs of the modern homeowner. Combined with quadruple draught strips and better thermal insulation these new sash options can make 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 techniques and architectural style of the time from which they date. They could also have a significant historic value in their individual cases. This is especially true for early unglazed window openings in timber framed buildings which were merely a series of openings within the frame that were subdivided horizontally into mullions and wood or iron bars to keep out intruders.
It is essential to preserve the appearance of traditional wooden window joinery. It is essential that any decay caused by moisture penetration should be removed as soon as it is discovered. It is best to do this with thorough painting, particularly if there is damage or degradation. It is recommended to use paints that are specifically designed to be used part of a system (primer, undercoat and finish) and to follow the manufacturer's recommendations in terms of preparation and the number of coats required at each stage.
Wet rot is a typical problem in old timber windows. The best method to stop it from developing is to remove sections that are damaged or rotten as soon as you can to prevent the spread of the fungus that causes it. Replace the wood that is rotting with slow-growing deal (pine), and when possible, the exact type of timber as the one being removed, to prevent any differential movement.
In the late the 17th and early the medieval periods, glass became less expensive and more plentiful so that glazed openings in timber-framed structures gradually became more sophisticated, with tracery made of wood, moulded mullions and deep projection cills. Increasingly, the glazing was placed within frames with rebates and then pinned with 'glazing sprigs' rather than being inserted into lead cames. This method of glazing is not only less prone to leaks but it can allow for more expansive clearer, more transparent sheets of glass to be used in the windows than would otherwise have been possible without the need for lead lights.
Energy efficiency
Traditional timber windows offer excellent energy efficiency due to their thickness, multi-layer construction and very attentive attention to detail. They also feature large glass areas and deep projection cills which reduce air infiltration. The windows can be made to improve their energy efficiency through draughtproofing and secondary glazing. It is essential to remember that these measures must be considered when it comes to the overall integrity and look of the original windows.
It makes sense to repair or upgrade existing historic windows rather than replace them, especially when the improvements in thermal efficiency can be made through simple fixes. Older windows are usually of historical significance, since they show a range in technical development and changes to architectural style. The pressures to replace such windows are typically based on the assumption that the old windows will need replacement in the near future, but they are capable of providing service for 150, 200 and even 250 years if they are properly maintained.
It is crucial to recognize that the decay problems that are typical of timber windows can be prevented through regular maintenance and timely repairs. Additionally, it is essential to spot damp penetration issues and fix them promptly to avoid major damage. The early deterioration of paint could be a problem as it allows moisture to get into the wood, causing wet rot. It is not uncommon for this type of damage to go unnoticed until paintwork begins to crack or becomes wavier. However, cambridge double glazing could cause structural damage and further decay.
A high-quality paint will prevent this moisture from entering. It is also essential to keep the paintwork in good condition to avoid condensation and mould growth. Modern synthetic paints can pose a problem since they are typically designed to be water-resistant and this can result in the formation of mildew inside the window frame.
The majority of older windows were constructed of sapwood-rich timber. These timbers can deteriorate quickly when exposed to rain, however they can be protected by a thorough preservation process prior to use. It is important to choose the right kind of wood for your location and climate, as these variables can affect the longevity of the joinery. Local window manufacturers make a range of sash made of timber that can be tailored to fit specific openings from the past. They can be produced in the standard Boston pattern or in custom sizes to fit the architectural style of historic buildings.
Maintenance
The life span of windows made from timber can be extended considerably by regular inspection carefully redecoration, and prompt repair. The primary cause of wood decay is moisture leaking through deteriorated paint and putty. This can be avoided by using a quality wood preservative and painting the wood thoroughly.
Repairs to old sash windows as well as window frames made of casement should be handled with care and minimal disruption. A lot of traditional wooden window designs can be repaired without removing the frame, and this option should be followed whenever possible. Paint that is peeling or loose should be removed carefully and sanded lightly to improve the "key" of the surface and allow for a better adhesion of the new coating. It is important 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 carried out.
When a section of wood has rotted, the best solution is to take it off and replace it with timber inserts that are shaped to match existing profiles. The wood that is inserted should be treated with a wood preserver and the connection between the timber cill and the sub-cill for masonry should be sealed.
Replacement of traditional windows using PVC-u can be an appealing option, particularly when the installer offers an "all-in-one" installation service that can handle removal and replacement in one day. It is crucial that the person who installs replacement windows has a full understanding of the construction and history of traditional timber frames. This will enable them to make the right suggestions for energy efficiency improvements and other technological improvements that don't harm the character of a historic building. The windows that are replaced must be registered under a Competent Persons Scheme like as FENSA. This will ensure that replacement windows are approved by the Building Regulations as a suitable alternative. A skilled carpenter can install PVC-u Windows that are sympathetic to the original building's style. This is especially true when the windows are located within conservation areas or listed buildings.