How To Choose The Right Cambridge Window Online
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Maintaining Timber Windows
A well-maintained timber window is a significant part of the historic fabric of a building. It is a representation of the materials and technologies, craftsmanship and architectural taste of the time period from which it dates.
If it is possible, repairs must be made on-site. Repairing the worst areas of decay is possible by using specialized resin-based systems.
Durability
The windows made of wood in many historical buildings were made to last for centuries. However, they need to be maintained to ensure they look good and operating properly. The most frequent maintenance tasks are repairs to sash-cords and re-tightening the sash pulleys and painting. There is also a rising demand to upgrade the timber windows to improve energy efficiency. This could include replacing old glazing units, repairing existing window rebates or installing new cills to increase the air seal.
The corrosion of paintwork is a major issue with traditional windows. This is particularly true when sash windows are involved as the gaps between the sashes can be quite wide. In these instances water can enter the paint film and cause rotting to the wood or putty beneath. The rotting may be further aggravated by weather conditions that are not ideal. To stop this from happening, windows must be regularly painted with an exterior wood paint.
Corroded areas should be repaired with resin-based products. This will ensure that the maximum possible amount of the original fabric is retained. It is essential to limit the number of holes that are drilled 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 can cause deformation of the frame and the sash. This can lead to the sash not fitting properly and jamming or sticking into the opening, or breaking glass. This can be fixed frequently by fitting new sash frames made of slow-growing deal (pine), or oak. The cill must be constructed from durable hardwood such as oak to prevent movement between the new and existing work.
To help reduce this problem, there are now a variety of companies that produce Boston pattern sash made of wood that can be fitted into most openings. These sash come in a variety of sizes and finishes that suit the needs of modern homeowners. Together with quadruple draught strips and better thermal insulation these new sash can make an enormous difference to the energy efficiency of a house.
Aesthetics
Many old timber windows have a great aesthetic value as they often demonstrate, in a way the materials and techniques and architectural style of the period from when they were built. They could also have significant historical value in their in their own right. This is especially true of 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 vertical iron or wood bars to deter intruders.
Traditional timber window joinery can be a stunning feature of a building and it is important to maintain its appearance. It is crucial that any decay that results from water penetration is removed as soon as it is discovered. It is best to do this by thorough painting, especially if there has been damage or degradation. It is recommended to use paints designed to be used in a system (primer undercoat and finish) and follow the manufacturer’s recommendations for preparation and number coats at each stage.
The fungus that causes wet rot is able to spread quickly in old timber windows. To prevent this from happening, remove any damaged or rotten parts as soon as you can. The replacement of wood that is rotting should be carefully undertaken with a slow-growing deal (pine) and, wherever possible it is the same species as which is being removed in order to prevent shifting between the new section and the existing timbers.
Glass became cheaper and more abundant during the late medieval period and into the 17th century. As a result, glazed openings on timber-framed houses became more complex with moulded mullions and traceries, made of wood and deep projecting cills. In the past, more often, the glass was placed within frames with rebates and pinned in with '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 feasible without the use of leaded lights.
Energy efficiency
Traditional timber windows have an excellent 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 double glazing cambridge areas help to reduce air infiltration. With secondary glazing and draught proofing, windows can be upgraded to improve their energy efficiency. However, it is important to keep in mind that any such measures should be evaluated in relation to the overall quality and appearance of the window in its original form.
It is logical to repair or upgrade existing windows, rather than replacing them, particularly when improvement in thermal efficiency can be made by simple repairs. Historic windows often have historical significance that shows a variety of technical development and changes in architectural style. The pressures to replace these windows are typically based on the assumption that the old windows will need replacement in the near future, but most are still capable of providing service for 150, 200 and even 250 years if they are properly maintained.
It is crucial to understand that decay issues in traditional timber windows are preventable by timely and thorough repairs. It is also important to recognize damp issues and fix them quickly so that you can avoid serious damage. Paint deterioration that occurs early could be a problem as it allows moisture to penetrate into the wood, leading to wet rot. This type of damage is typically not evident until the paintwork becomes damaged or wavy, but can cause significant structural damage, and could lead to further decay.
A high-quality paint will stop this moisture penetration. It is also essential to keep the paintwork clean in order to prevent condensation and the growth of mould. Modern synthetic paints are problematic because they are often water-resistant, and can cause mildew growth in the window frame.
The majority of windows from the past were made from timber that contained a high proportion of sapwood. These timbers deteriorate quickly if exposed to rain, but they can be preserved with a thorough preservation treatment before use. It is essential to select the right type of wood for your location and the climate, since these factors will affect the durability of the joinery. Local window manufacturers create a range of sash made of timber that can be adapted to fit specific historic openings. They are available in the standard Boston pattern or in custom sizes to fit historic buildings.
Maintenance
Regular inspections as well as careful redecoration and quick repairs can prolong the lifespan of windows made of timber double glazed windows cambridge. The primary cause of decay is moisture infiltration through the deterioration of paint and putty. This can be avoided by careful painting and the use of an excellent wood preservative.
Repairs to old sash windows and window frames made of casement must be done with care and minimal disruption. Many of the traditional designs for timber windows can be repaired without removing the frame, and this method should be followed whenever possible. Paint that is peeling or loose should be removed carefully and lightly sanded to improve the "key" of the surface and allow for a better adhesion of the new coating. Be careful to avoid stripping old paint layers that could have historical value If these are present it is recommended that a paint analysis be carried out.
When a section of wood has rotted the best way to deal with it is to take it off and replace it with timber inserts that are shaped to match existing profiles. The timber that is inserted should be treated with a wood preservative. The junction between the masonry sub-cill and the 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 that handles removal and replacement within 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 allow them to make appropriate recommendations for energy efficiency improvements as well as other technological advancements that won't affect the appearance of a building that is historic. Those who provide replacement windows should be registered under a Competent Persons Scheme such as FENSA. This will ensure that the replacements are approved as a suitable solution in accordance with Building Regulations. A skilled carpenter can install PVC-u Windows that are sympathetic to the original character of the building. This is especially applicable when windows are situated within listed buildings or conservation areas.
A well-maintained timber window is a significant part of the historic fabric of a building. It is a representation of the materials and technologies, craftsmanship and architectural taste of the time period from which it dates.
If it is possible, repairs must be made on-site. Repairing the worst areas of decay is possible by using specialized resin-based systems.
Durability
The windows made of wood in many historical buildings were made to last for centuries. However, they need to be maintained to ensure they look good and operating properly. The most frequent maintenance tasks are repairs to sash-cords and re-tightening the sash pulleys and painting. There is also a rising demand to upgrade the timber windows to improve energy efficiency. This could include replacing old glazing units, repairing existing window rebates or installing new cills to increase the air seal.
The corrosion of paintwork is a major issue with traditional windows. This is particularly true when sash windows are involved as the gaps between the sashes can be quite wide. In these instances water can enter the paint film and cause rotting to the wood or putty beneath. The rotting may be further aggravated by weather conditions that are not ideal. To stop this from happening, windows must be regularly painted with an exterior wood paint.
Corroded areas should be repaired with resin-based products. This will ensure that the maximum possible amount of the original fabric is retained. It is essential to limit the number of holes that are drilled 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 can cause deformation of the frame and the sash. This can lead to the sash not fitting properly and jamming or sticking into the opening, or breaking glass. This can be fixed frequently by fitting new sash frames made of slow-growing deal (pine), or oak. The cill must be constructed from durable hardwood such as oak to prevent movement between the new and existing work.
To help reduce this problem, there are now a variety of companies that produce Boston pattern sash made of wood that can be fitted into most openings. These sash come in a variety of sizes and finishes that suit the needs of modern homeowners. Together with quadruple draught strips and better thermal insulation these new sash can make an enormous difference to the energy efficiency of a house.
Aesthetics
Many old timber windows have a great aesthetic value as they often demonstrate, in a way the materials and techniques and architectural style of the period from when they were built. They could also have significant historical value in their in their own right. This is especially true of 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 vertical iron or wood bars to deter intruders.
Traditional timber window joinery can be a stunning feature of a building and it is important to maintain its appearance. It is crucial that any decay that results from water penetration is removed as soon as it is discovered. It is best to do this by thorough painting, especially if there has been damage or degradation. It is recommended to use paints designed to be used in a system (primer undercoat and finish) and follow the manufacturer’s recommendations for preparation and number coats at each stage.
The fungus that causes wet rot is able to spread quickly in old timber windows. To prevent this from happening, remove any damaged or rotten parts as soon as you can. The replacement of wood that is rotting should be carefully undertaken with a slow-growing deal (pine) and, wherever possible it is the same species as which is being removed in order to prevent shifting between the new section and the existing timbers.
Glass became cheaper and more abundant during the late medieval period and into the 17th century. As a result, glazed openings on timber-framed houses became more complex with moulded mullions and traceries, made of wood and deep projecting cills. In the past, more often, the glass was placed within frames with rebates and pinned in with '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 feasible without the use of leaded lights.
Energy efficiency
Traditional timber windows have an excellent 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 double glazing cambridge areas help to reduce air infiltration. With secondary glazing and draught proofing, windows can be upgraded to improve their energy efficiency. However, it is important to keep in mind that any such measures should be evaluated in relation to the overall quality and appearance of the window in its original form.
It is logical to repair or upgrade existing windows, rather than replacing them, particularly when improvement in thermal efficiency can be made by simple repairs. Historic windows often have historical significance that shows a variety of technical development and changes in architectural style. The pressures to replace these windows are typically based on the assumption that the old windows will need replacement in the near future, but most are still capable of providing service for 150, 200 and even 250 years if they are properly maintained.
It is crucial to understand that decay issues in traditional timber windows are preventable by timely and thorough repairs. It is also important to recognize damp issues and fix them quickly so that you can avoid serious damage. Paint deterioration that occurs early could be a problem as it allows moisture to penetrate into the wood, leading to wet rot. This type of damage is typically not evident until the paintwork becomes damaged or wavy, but can cause significant structural damage, and could lead to further decay.
A high-quality paint will stop this moisture penetration. It is also essential to keep the paintwork clean in order to prevent condensation and the growth of mould. Modern synthetic paints are problematic because they are often water-resistant, and can cause mildew growth in the window frame.
The majority of windows from the past were made from timber that contained a high proportion of sapwood. These timbers deteriorate quickly if exposed to rain, but they can be preserved with a thorough preservation treatment before use. It is essential to select the right type of wood for your location and the climate, since these factors will affect the durability of the joinery. Local window manufacturers create a range of sash made of timber that can be adapted to fit specific historic openings. They are available in the standard Boston pattern or in custom sizes to fit historic buildings.
Maintenance
Regular inspections as well as careful redecoration and quick repairs can prolong the lifespan of windows made of timber double glazed windows cambridge. The primary cause of decay is moisture infiltration through the deterioration of paint and putty. This can be avoided by careful painting and the use of an excellent wood preservative.
Repairs to old sash windows and window frames made of casement must be done with care and minimal disruption. Many of the traditional designs for timber windows can be repaired without removing the frame, and this method should be followed whenever possible. Paint that is peeling or loose should be removed carefully and lightly sanded to improve the "key" of the surface and allow for a better adhesion of the new coating. Be careful to avoid stripping old paint layers that could have historical value If these are present it is recommended that a paint analysis be carried out.
When a section of wood has rotted the best way to deal with it is to take it off and replace it with timber inserts that are shaped to match existing profiles. The timber that is inserted should be treated with a wood preservative. The junction between the masonry sub-cill and the 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 that handles removal and replacement within 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 allow them to make appropriate recommendations for energy efficiency improvements as well as other technological advancements that won't affect the appearance of a building that is historic. Those who provide replacement windows should be registered under a Competent Persons Scheme such as FENSA. This will ensure that the replacements are approved as a suitable solution in accordance with Building Regulations. A skilled carpenter can install PVC-u Windows that are sympathetic to the original character of the building. This is especially applicable when windows are situated within listed buildings or conservation areas.
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