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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 levels, the technology and materials of the time period it was constructed, the design and craftsmanship.

If repairs are possible to existing windows 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 seal repairs near me.

Durability

Timber windows were built to last for hundreds of years. But, they have to be maintained to keep them looking good and functioning correctly. Maintenance tasks include repairs to sash cords and retightening pulleys on sash, and painting. There is also a rising demand to upgrade the timber windows to improve energy efficiency. This can involve replacing old glazing units, fixing the window rebates that are in place, or installing new cills to allow for better air sealing.

A key problem with traditional windows is the damage caused by the corrosion of the paintwork. This is especially important when it comes to sash windows because the gaps between sashes can often be very large. In these circumstances, water can penetrate the paint film and cause rotting of the putty and the wood beneath. The rotting can be exacerbated by poor weather conditions. To stop this from happening, windows should be regularly painted with an exterior wood paint.

Areas that have been damaged must be repaired using a resin-based product. This will ensure that the maximum amount of original fabric is retained. It is essential to limit the number of holes created in the frame to allow cable entry since they can let in moisture and cause decay.

Another issue with older windows is the structural movement within the wall that could cause deformation of the frame and sash. This can result in the sash not fitting properly, sticking or jamming in the opening and cracked 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 any movement between the old and new work.

To reduce the risk, there are now a number of companies who manufacture Boston pattern wooden sash that will fit into the majority of existing openings. These sash come in various sizes and finishes that fit the needs of modern homeowners. Together with quadruple draught strips and a better thermal insulation, these new sash options can make significant improvements to the energy efficiency of your home.

Aesthetics

Many old timber windows have a great aesthetic value as they often demonstrate, in a way, the materials and technology and architectural style of the period from which they originate. They may also have a significant historical significance in their individual cases. This is especially true for windows that were unglazed in the early days of timber framed buildings where the great majority were merely a series of openings in the structural frame sub-divided horizontally into mullions and wood or iron bars to deter invaders.

Traditional timber window joinery can be a highly decorative aspect of a building, and it is important to keep it looking good. It is essential that any decay that results from water penetration is removed as soon as it is identified. This is best done by painting thoroughly, especially in areas that have already suffered damage or deterioration. It is best to use paints that are designed to be used in a set (primer undercoat and finish), and to follow the manufacturer’s recommendations for preparation and number coats at each stage.

The fungus responsible for wet rot can spread quickly in old timber windows. To prevent this from happening, take out any damaged or rotten parts as promptly as you are able to. The replacement of rotting timber should be done with care and with a slow-growing deal (pine) and, whenever possible, the same species as that which is being removed to prevent differential movement between the new section and existing timbers.

Glass became more affordable and abundant in the late medieval period and into the 17th century. In the process, the openings for double glazed door seal repairs windows on timber-framed houses became more complicated with moulded mullions and traceries, made of wood and deep projecting cills. The glazing was increasingly placed within frames with rebates and secured with 'glazing sprigs', rather than into lead cames. This method of glazing is not just less prone to leaking but it can allow for larger clearer, more transparent sheets of glass to be used in the windows than would be possible without the need for lead lights.

Energy efficiency

The traditional timber windows are energy efficient because of their thickness and multilayer construction as well as care for the smallest of details. They also have large glass areas and deep projection cills which reduce air infiltration. The windows can be modified to increase their energy efficiency with draught-proofing and upvc door handle repairs near me locksmith cambridge (emplois.Fhpmco.fr) secondary glazing. It is important to remember that these measures must be considered in relation to the overall integrity and appearance of the original windows.

It makes sense to fix or upgrade windows that are older rather than replacing them, particularly when improvement in thermal efficiency can be made through simple repairs. Older windows typically have a historical value that shows a variety of technical development 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, however most are still capable of serving for 150, 200 and even 250 years if properly maintained.

It is essential to realize that decay issues in traditional timber windows are preventable by quick and thorough repairs. Additionally it is vital to identify damp penetration problems and to remedy them quickly to prevent serious damage. Early deterioration of paint is a particular problem, since it allows moisture penetrate the wood and cause wet rot. It is not uncommon for this issue to go unnoticed until paintwork starts to crack or turn wavier. However, it could cause structural damage and further decay.

A paint of good quality will stop moisture from entering the paint. To prevent mould and condensation it is crucial to keep the paintwork as clean as you can. Modern synthetic paints are problematic because they are water-resistant, and can cause mildew to grow in the window frame.

The majority of older windows were manufactured from timber double glazed windows cambridge containing an extensive proportion of sapwood. The timbers will deteriorate rapidly if exposed to rain, however they can be protected with a thorough preservation process prior to use. It is essential to select the appropriate type of wood for the site and climate, as these factors will affect the durability of the joinery. Local window manufacturers create a range of sash made of timber that can be customized to fit specific historic openings. They can be produced in the standard Boston pattern or in custom sizes to suit the architectural style of historic structures.

Maintenance

Regular inspection carefully redecorated, as well as timely repairs can prolong the life of wooden windows. The most common cause of decay is moisture intrusion through deteriorated putty and paint. This can be prevented by using a good wood preservative and painting the wood thoroughly.

Repairs to old sash windows as well as casement window frames should be handled with care and with minimal disruption. Many of the traditional designs for timber windows are repairable without removing the frame, and this option should be followed whenever possible. 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 stick better. Care should be taken to avoid stripping paint layers that could have historical value, and where these are present, it is recommended that a paint analysis be carried out.

Where a section of timber has begun to decay, the best option is to remove the rotted 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 wood preservative and the junction between masonry sub-cill and timber cill should be sealed.

Replacement of traditional windows using PVC-u is an attractive option, especially when the installer provides an "all-in-one" installation service that can handle removal and replacement in a day. It is crucial that the person who installs replacement windows has a complete understanding of the construction and history of traditional wooden windows cambridge frames. This will enable them to make appropriate suggestions for energy efficiency improvements and other technological upgrades that will not harm the character of a historic building. Anyone who installs replacement windows must be registered under a Competent Persons Scheme, such as FENSA. This will ensure the replacements are approved in accordance with Building Regulations as a suitable alternative. A skilled carpenter can put in PVC-u Windows that are sympathetic to the original character of the building. This is particularly applicable when windows are in listed buildings or conservation areas.