Sash Windows Repair
Sash windows offer a stunning combination of modern technology and traditional look. They are 100% airtight and require no maintenance, other than wiping them down weekly.
Poor maintenance can lead to sagging, loss of putties on the glazing and rotting at the junction between the pulley stile and the cill. These issues are all capable of being repaired on site or in a workshop.
Replacement of cords for sash
A lack of maintenance can cause rattles, draughts or problems with the opening and closing of a window. It can also cause structural movement in the frame, and deform sashes. The resulting damage could lead to a breakdown of paint and putty, permitting water to get into the wood and cause decay. In addition, sash cords can become stiff and prone to break. Many of these issues can be fixed.
The wood used in older windows with sash has a higher density than the wood used in contemporary replacements. This can make it last for centuries. As with any material that is not regularly maintained, it can begin to decay.
To ensure the longevity of sash windows, the cords and wood should be waxed regularly. The sash cords are constructed from nylon, jute, or cotton. Metal chains can be used to replace them. Ideally, the new cords should be inserted over the pulley wheels with a parting bead to create a separation between the two sashes. The cords are then tacked to the weights and the counterweights can be adjusted as necessary to ensure that the sashes are balanced.
Generally, the pulleys should be replaced with a similar design as the original one to avoid damage. Weights are made of iron, brass, or a combination. The replacements are often a little larger than the originals, which can cause issues in operation. Before replacing the counterweights, the sash has to be opened to the correct position. It is also important to be able to close the window without having to slam the door shut.
A number of ironmongery items can improve security and make a sash window draught-proof but still allow for ventilation and cleaning. These include sashlocks as well as dual screws and anti-lift devices. They are reasonably priced and can be fitted to windows that are traditional and still preserve its historical character. They are not as noticeable as more intrusive security features like a sash window chain, or sash catch.
Replacement of sash weights
A Sash window is a double-glazed sliding windows that can be lowered or raised to close and open the window. The sash cords, pulleys, and a dividing beads keep it in the position. These sash cords and weights need to be kept in good working order to keep the window in position. If a sash is heavy or sagging it can result in broken sash cable or loose beading. The best method to keep a sash window in proper condition is to have it properly maintained and repaired on a regular basis.
In a lot of cases, it is possible to repair older windows without having to remove them. In these situations, the sash and casing can be taken apart in an assembly line or joiner's workshop and then repaired. This repair method preserves the original fabric and avoids issues like draughts or rot in the frame. The damaged timber is then strengthened by using a resin consolidant or filler to allow the window to be fully functional once again.
Wood sash was milled until the late eighteenth-century from slow-grown deal (pine). They tend to be more dense and durable than modern wood. Window sizes were also standardized by the end of 18th century. Local window companies offer an Boston Pattern sash line that will fit most old windows. Sash windows that aren't sized to match these standards will require a custom-sized size of the window framing members, which detracts from the historic character of the building. Similarly, replacement ironmongery should be selected with care to ensure that the new pieces perform well while maintaining historical accuracy. This can be a challenge, as the many fasteners that are found on the sash windows are usually obscured by layers of paint or varnish. By door fitting cambridge removing these layers of paint, you will reveal the intricate engineering and fine craftsmanship that went into the original windows.
Replacement of sash catches
A Sash window is a traditional type of window that is made up of glass panes that can be moved inside the frame. It is usually divided into two parts, namely the top and bottom sashes. It is moved using weights, cords or, more recently, spiral balances. Depending on the design of your window, you can open the sashes by sliding them up or down. They are also often fixed at the mid rail using handles to hold them in their place.
A damaged sash can cause problems for your home. For instance water leaks or difficulties in moving windows upwards and downwards. It is important to know when you should replace a sash so that you can make an educated decision.
If you check for signs of decay, you can tell whether your window sash needs to be replaced. This could include mold, mildew or scratches in the wood. You can also test the wood for moisture, which is a sign that it's time to replace the sash.
Alongside the deterioration, the sash's components can be damaged due to inadequate use or a lack of maintenance. For instance, holes that are drilled through the frame for cable entry could let water in and cause decay. Other signs of a sash in need of repair are paint loss, a broken sash cord, and a sash that no longer fits correctly.
Many homeowners are concerned about the expense of replacing their sash windows, however, it is crucial to understand how much your sash window is worth. It is usually possible to salvage the timber and repair or change the sash rather than tearing the window out and starting over. This can save you a lot of money while maintaining your historic windows. To avoid costly errors, it is important to speak with a professional prior to making any repairs or replacing your windows. They can also guide you on the best approach for your home depending on your specific requirements and budget. They can provide an estimate of how much it will cost to replace or repair your sash.
Replacement of sash pulleys
Sash windows often come with a complicated and delicate mechanism that requires regular maintenance and repair. They may be damaged and make it difficult to operate without it. They can be noisy, unsafe and can pose a health and fire risk. Many older sash window can be fixed at a low cost and without damaging the structural integrity of a building. They can be made draughtproof and secure and meet insurance requirements. They can be saved for future generations.
Traditional timber frames are susceptible to damage due to weathering and decay. The cill, or bottom section of the window frame, is particularly vulnerable to water penetration. It can be reinforced with metal angle brackets that can be placed over the existing sub-cill. Oak is a good wood to build new cills. To keep as much of the original fabric as you can it is crucial to take care when putting in fresh timber.
In the eighteenth century the sash windows were typically milled from slow-grown deal (pine) and in rare instances from oak. These were designed to last for a very long time, and are considered to be a characteristic of older buildings. To avoid any differences in movement between the old and the new parts it is crucial to use the same type and size of wood when fixing and replacing these sash windows.
Ironmongery is vital to the operation of double-glazed sash windows. This includes a brass pulley or hardwood pulley, along with lead or cast iron weights as well as shutter hinges and knobs. They should be maintained in good condition and repaired or replaced when necessary. They can help keep the sash in a proper position and also prevent it from collapsing or sticking. They can also be used to open the sash to allow ventilation and cleaning. There are a range of security fittings for sash windows that are minimal in appearance and won't alter the look of a period home. These include height restrainers and dual screws as well as anti-lift devices.