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Maintaining Timber Windows

A well-maintained timber window is an important element of the historic fabric of a building. It illustrates in varying degrees the different materials and technologies, craftsmanship and architectural taste of the time period that it was built in.

When possible, repairs should be done in-situ. Repair systems made of resin can be used to fix the most damaged areas of decay without removing the whole Window Hinges Leeds.

Durability

The timber windows in many historical buildings were made to last for centuries. However, they do need to be maintained to keep them looking good and operating properly. The most frequently-asked maintenance tasks include repairs to sash cords as well as tightening sash pulleys and painting. The demand for upgrading timber windows to increase efficiency in energy use is also growing. This could mean replacing old glazing units, repairing the window rebates that are in place, or installing new cills that allow for better air sealing.

The deterioration of paintwork is a major issue with traditional windows. This is especially important where sash windows are involved as the gaps between sashes can be very large. In these situations 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 due to weather conditions that are poor. To stop this from happening, windows need to be painted regularly with an exterior wood paint.

Corroded areas should also be repaired using resin-based products. This will ensure that the maximum amount of original fabric is retained. It is crucial to reduce the number of holes that are created into the frame to allow cable entry because they could let in moisture and cause decay.

Another major issue with older windows is the structural movement within the wall which could cause deformation of the frame and the sash. This can lead to the sash not fitting properly and jamming or sticking to the opening, and damaged glazing. Often this can be corrected through the installation of new sash boxes made from slow grown deal (pine) or oak. The cill needs to be constructed of a durable hardwood, such as oak, in order to prevent any the movement of new and existing work.

There are several companies that make Boston pattern wooden sash that fit most existing openings. They are available in a variety of sizes and finishes to suit the needs of today's homeowner. Together with quadruple draught strips and better thermal insulation these new sash 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 time in when they were built. They could have significant historical significance in their own right. This is particularly true for early windows that were not glazed in timber-framed buildings, in which the majority of them were series openings in structural frames subdivided horizontally by mullions with vertical wood or iron bars to protect against intrusions.

Traditional timber window joinery is a beautiful feature of a building and is crucial to keep its appearance. As soon as you notice any signs of decay caused by water penetration it is crucial to stop it. This is best accomplished by painting thoroughly, especially in areas where there has already been damage or deterioration. It is advisable to use paints that are specifically designed to be used part of the system (primer, undercoat and finish) and to follow the manufacturer's recommendations regarding preparation and number of coats required at each stage.

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

Glass became more affordable and abundant in the late medieval era and into the 17th century. This led to the glazed openings in timber-framed homes became more complex with moulded mullions, tracery made of wood and deep projecting cills. In the past, more often, the glass was laid within rebated frames and pinned in by 'glazing sprigs' rather than into lead cames. This method of glazing not only makes windows less likely to leak, but also allows for wider sheets of clearer glass to be employed than would be feasible without the use of lead lights.

Energy efficiency

Traditional timber windows offer an excellent energy performance due to their thickness and multi-layer construction, as well as careful attention to detailing. They also feature large glass areas and projecting cills that reduce air infiltration. The windows can be made to improve their energy efficiency with draught-proofing and secondary glazing. It is crucial to remember that these measures need to be considered when it comes to the overall integrity and look of the original windows.

It is sensible to fix or upgrade windows that are older rather than replacing them, particularly when improvement in thermal efficiency can be made through simple fixes. The windows of the past often have historical significance that illustrates a variety of technological advancement and changes in architectural tastes. Most people assume that the windows will need to be replaced in the near future. However, most will last for 150, 200 or even 250 years with proper maintenance.

It is essential to realize that decay issues with traditional timber windows are easily prevented with timely and thorough repairs. It is also important to recognize damp issues and fix them quickly to avoid major damage. Early deterioration of paint is a major problem because it allows moisture to penetrate the wood and cause wet rot. The damage is usually not apparent until the paintwork becomes wavy or cracked but it can cause severe structural damage and can lead to further decay.

A paint of good quality will prevent moisture penetration. It is also important to keep the paintwork spotless to avoid condensation and the growth of mould. Modern synthetic paints are problematic because they are water-resistant and can cause mildew to grow in the window replacement cambridge frame.

The majority of older windows were constructed of sapwood-rich timber. The timbers will deteriorate rapidly if exposed to rain, but they can be preserved with a thorough preservation treatment before use. It is also essential to ensure that the kind of wood used is suitable to the climate and site conditions, as these elements will influence the durability of the joinery. Local window replacement cambridge manufacturers make various types of timber sash that can be customized to fit specific openings from the past. They can be made in the standard Boston pattern or in custom sizes to suit historic structures.

Maintenance

The life of timber windows can be extended through regular inspections as well as a careful redecoration and timely repair. The main cause of decay is moisture penetration through the deteriorated paint and putty. This can be avoided with careful painting and the use of high-quality wood preservative.

Repairs to sash windows that are old and frameless casement windows should be handled with care and with the least amount of disruption. A lot of traditional wooden window seal repairs near me designs can be repaired without removing the frame, and this option should be followed whenever feasible. Loose or peeling paint must be removed with care and sanded lightly to improve the "key" of the surface and facilitate an improved adhesion of the new coating. It is essential to avoid removing old paint layers, as they could have historical significance.

If a piece of wood is rotting, the best solution is to remove it and replace it with timber inserts designed to match existing profiles. The wood that is inserted should be treated with wood preservative and the joint between the timber cill and sub-cill of the masonry should be sealed.

It is tempting to replace traditional windows with PVC u, especially if the installer offers an all-in-one installation that includes both removal and replacement within a single day. It is crucial that the person who installs windows replacement has a thorough knowledge of the construction and history of traditional timber frames. This will allow them to make the appropriate suggestions for energy efficiency improvements and other technological advancements that won't affect the appearance of a historic building. Window replacements should be registered with a Competent Persons Scheme like FENSA. This will ensure that the replacements are approved under Building Regulations as a suitable alternative. A skilled carpenter is able to install PVC-u windows that conform to the original character of the building. This is particularly true where windows are situated in listed buildings and conservation areas.