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Maintaining Timber Windows

A well-maintained timber window is a significant part of the historic fabric of a building. It reflects in different levels, the materials and technologies of the time period it was constructed, as well as the design and craftsmanship.

If upvc 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 most deteriorated areas without removing the whole window mechnism repair.

Durability

The windows made of wood in many old structures were designed to last for centuries. They do require maintenance to ensure they look good. Maintenance tasks include sash cord repairs, retightening of pulleys on sash, and painting. There is also a growing demand to upgrade the timber windows to increase energy efficiency. This may include replacing old glazing units, repairing existing window rebates, or installing new cills for improved air seal.

The corrosion of paintwork is a major problem with traditional windows. This is especially important where windows with sash are involved since the gaps between the sashes can be very large. In these situations water may get through the paint film and cause decay of the putty and underlying wood. Weather conditions that are not ideal can accelerate the decay. To prevent this from happening, windows need to be painted regularly with an exterior wood paint.

Corroded areas should be repaired with resin-based products. This will ensure that the greatest amount of original fabric is preserved. It is important to minimize the number of holes that are drilled into the frame in order to allow cable entry as these can admit moisture and cause decay.

Another issue with older windows is the structural movement within the wall which can cause deformation of the frame and sash. This could result in sash no longer fitting correctly or sticking or jamming into the opening and cracked glazing. This is often corrected by fitting new sash window Repair Cambridge frames constructed of slow-grown deal (pine) or oak. The cill needs to be constructed of a durable hardwood, like oak, to prevent shifting between the new and old work.

There are several companies that manufacture Boston pattern wooden sash to fit most existing openings. These sash are available in a range of sizes and finishes to suit the needs of today's homeowner. These new sash, when combined with quadruple draft strips and improved thermal insulation can make a huge difference to the efficiency of a home's energy use.

Aesthetics

Many old wooden windows have an excellent aesthetic value because they typically illustrate, in some way, the materials and technology and architectural style of the time from which they date. They may also have significant historical value in their individual cases. This is especially true for windows that were unglazed in the early days of timber-framed structures, where the great majority were simply a series of openings in the frame that were subdivided horizontally into mullions, and vertically into iron or wood bars to deter intrusions.

It is important to maintain the appearance of traditional timber window repair near me joinery. As soon as you see any signs of decay due to moisture penetration it is essential to stop it. It is recommended to do this by thorough painting, particularly if there is damage or degradation. 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 guidelines for preparation and number of coats at each stage.

The fungus responsible for wet rot can quickly spread in old timber windows. To stop this from happening, get rid of any rotten or damaged parts as promptly as you are able to. Replace the wood that is rotting with slow-growing deal (pine) and, should it be possible, the same type of wood as the one that is 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 buildings gradually became elegant with wooden tracery moulded mullions, moulded mullions, and deep protruding cills. The glazing was increasingly set within rebated frames and then pinned with 'glazing sprigs' rather than being inserted into lead cames. This method of glazing is not just less susceptible to leaks, but it can allow for larger clearer, more transparent sheets of glass to be used in the windows than would have been possible without the need for lead lights.

Energy efficiency

Traditional timber windows provide a good energy performance due to their thickness and multi-layer construction, as well as careful attention to detailing. The large glass areas, the deep projecting cills, and the large glazing areas minimize air infiltration. Windows can be designed to increase their energy efficiency by draught-proofing and secondary double glazing near me. It is crucial to keep in mind that these measures should be taken into consideration when it comes to the overall integrity and look of the original windows.

Therefore, keeping old windows that are in need of repair instead of replacing them makes sense, particularly when their thermal improvements can be achieved inexpensively with simple repairs and upgrades. Historic windows are often of historical value, as they reflect a variety of technological advancement and changes in the architectural style. The pressure to replace these windows are typically based on the assumption that the old windows will need replacement in the near future, but the majority of them are capable of serving for 150, 200 or even 250 years if properly maintained.

It is crucial to understand that decay issues associated with traditional timber windows can be easily prevented with timely and thorough repairs. It is also essential to recognize damp issues and fix them quickly so that you can avoid serious damage. Early paint deterioration is a concern because it allows moisture to penetrate into the wood, causing wet rot. It is not uncommon for this damage to go unnoticed until paintwork begins to crack or becomes wavier. However, it could cause structural damage and lead to further decay.

A high-quality paint will stop this moisture penetration. To avoid condensation and mould it is crucial to keep the paintwork as clean as you can. Modern synthetic paints pose a challenge because they are water-resistant and may cause mildew to grow within the window frame.

The majority of windows from the past were made from timber that contained an extensive proportion of sapwood. The timbers will deteriorate rapidly if exposed to rain, however they can be preserved with a thorough preservation process prior to use. It is important to choose the right kind of wood for the location and climate, as these variables can affect the durability of the joinery. Local window manufacturers have a wide range of sash timbers that can be made to fit the historic openings. They can be constructed to the standard Boston pattern dimensions, or to custom dimensions that are compatible with historic buildings.

Maintenance

Regular inspection as well as careful redecoration and quick repairs can prolong the lifespan of windows made of timber. The primary reason for the decay is moisture infiltration through deteriorated putty and paint. This can be avoided by careful painting and the use of high-quality wood preservative.

Repairs to old sash windows as well as frameless casement windows must be done 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 used whenever it is possible. Peeling or loose paint should be removed carefully and sanded lightly to improve the "key" of the surface, allowing for a better adhesion of the new coating. It is essential to avoid removing old paint layers, as they may have historical significance.

When a piece of wood is rotten, the best way to proceed is to remove the rotted material and replace it with spliced-in inserts that are shaped to match existing profiles. The wood that is being inserted should be treated with a wood preserver and the connection between the timber cill and sub-cill of the masonry should be sealed.

Replacement of traditional windows using PVC-u may be an appealing option, particularly when the installer provides a "one-stop shop" installation that takes care of both removal and replacement within a day. It is crucial that installers of replacement windows are aware of the history and design of traditional timber frames. This will allow them to make appropriate recommendations for energy efficiency improvements as well as other technological advancements that won't alter the appearance of a building that is historic. Anyone who installs replacement windows should be registered with a Competent Persons Scheme, such as FENSA. This will ensure the replacements are approved under Building Regulations as a suitable alternative. A skilled carpenter is able to install PVC-u windows that are suited to the original character of the building. This is especially true where windows are situated in listed buildings or conservation areas.