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Maintaining Timber Windows

A well-maintained and maintained timber window repairs cambridge is a crucial element of the historic structure of a building. It illustrates in varying degrees the materials and technologies as well as the craftsmanship and architectural style of the time period that it was built in.

When possible, repairs should be made on-site. Proprietary resin-based upvc door repair (Lovewiki.Faith) systems can be used to fix the worst areas of decay without removing the entire window.

Durability

Timber windows were designed to last for hundreds of years. However, they need to be maintained to keep them looking great and working correctly. The most common maintenance tasks are repairs to sash-cords as well as tightening sash pulleys and painting. There is also a rising demand for upgrading timber windows to increase energy efficiency. This may include replacing old glazing units, fixing the window rebates that are in place 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 important when windows with sash are involved since the gaps between the sashes can be quite wide. In these situations water may get through the paint film and cause decay of the putty and the wood underneath. Poor weather conditions can exacerbate the decay. To prevent this from happening, windows should be regularly painted with an exterior wood paint.

In addition to repainting, areas that have corroded should be repaired with the help of a resin-based repair solution. This will ensure that the maximum possible amount of the original fabric is preserved. It is important to minimize the number of holes made into the frame to allow cable entry, as these can admit moisture and cause decay.

Another major issue with older windows is the structural movement within the wall which can lead to deformation of the frame and the sash. This can lead to the sash not fitting properly or sticking or jamming into the opening, and damaged glazing. Most often, this is corrected by the fitting 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 shifting between the new and old work.

There are now several companies that manufacture Boston pattern wooden sash that fit most existing openings. The sash is available in various sizes and finishes to suit the needs of modern-day homeowners. Together with quadruple draught strips and improved thermal insulation, these new sash options can make significant improvements to the energy efficiency of a home.

Aesthetics

Many old timber windows have a high aesthetic value since they usually show, in a particular way the materials and technologies and architectural taste of the time in which they date. They could have significant historical significance on their own. This is especially true of early windows that were not glazed in timber-framed buildings, where the great majority were just a collection of openings within 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 joinery. When you spot any signs of decay due to moisture penetration it is crucial to stop it. This is best done by applying a thorough coat of paint, particularly in areas that have already suffered damage or deterioration. It is recommended to use paints that are specifically designed to be used as part of the system (primer, undercoat and finish) and follow the manufacturer's guidelines in relation to preparation and the number of coats required at each stage.

Wet rot is a frequent problem for old timber windows and the best way to stop it becoming a problem is to take out any damaged or rotten sections immediately to prevent the spread of the fungus that causes it. Replace rotting wood with slow-growing deal (pine) and, should it be possible, the same type of wood that is being removed to prevent the possibility of differential movement.

Glass became more affordable and abundant in the late medieval period and into the 17th century. In the process, the glazed openings in timber-framed homes became more complicated with moulded mullions, wooden tracery and deep cills projecting into the air. In the past, more often, the glass was laid within rebated frames and secured by 'glazing sprigs' rather than into lead cames. This method of glazing not only makes the windows less likely to leak and also allows larger sheets of glass to be utilized than would have been possible without the use of led lights.

Energy efficiency

Traditional timber windows provide an excellent energy performance due to their thickness and multi-layer construction. They also pay careful attention to detailing. They also feature large glass areas as well as deep projecting cills that reduce air infiltration. Windows can be designed to improve their energy efficiency through draughtproofing and secondary glazing. It is crucial to keep in mind that these measures should be taken into consideration in relation to the overall integrity and look of the original windows.

As a result, retaining the existing windows from the past that require repair rather than replacing them makes sense particularly when thermal enhancements can be made inexpensively with simple repairs and improvements. Older windows typically have historical significance that demonstrates a range of technological advances and changes in architectural style. The pressures to replace such windows are typically based on the assumption that windows that are old will need to be replaced in the near future, however the majority of them are capable of serving for 150, 200 and even 250 years if they are properly maintained.

It is crucial to recognize that the decay issues that are associated with traditional windows made of timber can be avoided by thorough maintenance and swift repairs. It is also important to identify damp problems and fix them quickly to avoid major damage. Paint deterioration that occurs early can be a problem because it allows moisture to penetrate into the wood, causing wet rot. It is not uncommon for this damage to go undetected until the paintwork begins to crack or becomes wavier. However, it can cause structural damage and then further decay.

A good paint will stop moisture from entering the paint. It is also important to keep the paintwork clean to avoid condensation and the growth of mould. The use of modern synthetic paints can be problematic since they are typically designed to be water-resistant which can cause the growth of mildew within the window frame.

The majority of older windows were constructed from sapwood-rich timber. These timbers are susceptible to deterioration quickly when exposed to moist weather, however they can be preserved with a thorough treatment of preservative before they are used. It is essential to select the right kind of wood for the location and climate, as these variables will affect the durability of the joinery. Local window manufacturers provide an array of timber sash window repair cambridge which can be customized to fit historic openings. They can be constructed to the standard Boston pattern dimensions or to custom dimensions that are compatible with the architectural style of historic buildings.

Maintenance

Regular inspection as well as careful redecoration and timely repairs can prolong the lifespan of windows made of timber. The primary cause of wood decay is moisture penetration through deteriorated paint or putty. This can be prevented by using a good wood preservative and thoroughly painting the wood.

It is crucial that repairs to old sash and aluminium casement windows cambridge windows are done correctly and done without causing any disturbance. A lot of traditional wooden window designs can be repaired without dismantling the frame, and this approach should be taken whenever feasible. Peeling or loose paint should be removed carefully and lightly sanded to improve the "key" of the surface and facilitate an improved adhesion of the new coating. Care should be taken to avoid stripping old paint layers that may have historic value, and where these are present, it is recommended that a study of the paint be conducted.

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

Replacement of traditional windows using PVC-u may be an appealing option, particularly when the installer offers a "one-stop shop" installation that handles removal and replacement within a day. It is important that the installers of replacement windows are aware of the history and construction of traditional timber frames. This will enable them to make the right suggestions for energy efficiency improvements and other technical upgrades that do not alter the historical character of a building. The window installers who provide replacement windows must be registered with a Competent Persons Scheme like FENSA. This will ensure the replacements are deemed acceptable by the Building Regulations as a suitable alternative. It is quite possible for an experienced and skilled carpenter to install PVC-u windows that fit the character of the building originally. This is particularly true where the windows are located in listed buildings or conservation areas.