The Hidden Secrets Of Double Glazing Windows Cambridgeshire Sash Windows Repair

Sash windows offer a stunning combination of modern technology and traditional effect. These windows are 100% safe from draughts and require no maintenance, other than wiping the glass weekly.

Poor maintenance may result in frailty sagging and loss of putties to glazing, and rotting of the pulley stile as well as the outer lining at junction with the cill. All of these issues are capable of being repaired on site or in the workshop.

Replacement of sash cords

A lack of maintenance can lead to draughts, rattles and problems with the opening and closing of a window. It could also cause structural changes in the frame, and cause sashes to deform. The resultant damage could cause a breakdown of paint and putty, which allows water to enter the timber and cause decay. Sash cords can also become stiffer and more vulnerable to breakage. A lot of these issues can be repaired.

The wood used in the old sash windows is denser than that used in modern replacements, and this could help it to last for centuries. However, like any material, it will degrade unless regularly maintained.

To keep sash windows in good working order the cords need to be tight and the wood waxed regularly. The sash cords could be made from nylon, jute, or cotton. They can also be replaced with metal chains. The ideal replacement cords should be inserted over the pulley wheel using a parting bead to separate the two sashes. The cords are tied to the weights, and the counterweights are adjusted to balance the sashes.

To prevent damage, it is best to replace the pulleys with ones that are similar to the original. Weights are made of iron, brass, or a combination. The replacements can be slightly larger than the originals, and can cause issues when operating. The sash should be opened in the appropriate position before replacing the counterweights. It is essential to be able to close the window without hitting it shut.

Ironmongery can be used to improve security, make a sash-window safe from drafts, and allow for ventilation and cleaning. These include sash locks, dual screws, anti-lift devices, and mortice bolts. These are relatively inexpensive and can be fitted to a traditional window while retaining its historic character. They are generally less noticeable than the more noticeable security fittings like a sash-window chains or sash catcher.

Replacement of sash weights

A sash is a double-glazed sliding window that can be moved up and down to open or close the window. The pulleys, sash cords and a parting bead hold it in the position. The sash cords and the weights have to be kept in good condition to ensure that the window stays in place. If upvc door handle repairs near me becomes too heavy or sagging, it could cause broken sash cables or loose beading. The best way to keep the sash window in good condition is to have it properly maintained and repaired regularly.

In a lot of cases, it is possible to restore older windows without removing them. In these situations, the casing and sash are removed from an assembly line or joiner's workshop and repaired. This type of repair preserves the original fabric and avoids problems like draughts and rot in the frame. The damaged timber is strengthened by using a filler or resin consolidant to make the window fully functional again.

Wood sash was milled from slow-growing deal (pine) until the end of the eighteenth century and are generally much denser than modern wood, making them more durable. Window sizes were also standardized by the end of the 18th century. Local window companies provide a Boston Pattern sash line that will fit the majority of old windows. Replacement windows for sash windows that are not sized to conform to these standards will require a custom measurements of the window frame members, which detracts from the historic look of the building. In the same way, replacement ironmongery must be carefully chosen to ensure that the new products perform well while maintaining historical accuracy. This can be a challenge because the numerous fasteners found on windows with sash are often hidden by layers of paint or varnish. Removing these layers of paint will reveal the intricate engineering and fine workmanship that went into the windows originally.

Replacement of sash catch

A Sash window is a standard type of window that is made up of movable glass panes inside a frame. It is typically divided into two parts with the top and bottom sashes. It is moved by cords, weights or, more recently spiral balances. The windows can be opened by sliding them up and down depending on the design of the window. Handles are commonly used to fix them to the mid rail.

If a sash becomes damaged, it can cause issues in your home, including water leaks and difficulty moving the windows up and down. It is important to recognize when a sash may be in need of replacement to make an informed decision.

You can determine if your window sash is in need of replacement by looking at it for signs of decay. Mold, mildew or scratches on the wood are all indicators of decay. It is also possible to feel moisture in the wood, which means it is best to replace the sash.

The components of the sash could be damaged due to inadvertent use or lack of maintenance. For example, holes drilled through the frame to allow cable entry may allow water to enter and cause the onset of rot. Other symptoms of a sash in need of repair are paint loss, a broken cord for the sash, or the sash no longer fits properly.

Many homeowners are concerned about the cost of replacing their windows with sash. However, it's important to determine how much your window is worth. It is usually possible to salvage the timber and repair or replace the sash instead 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 consult an experienced professional before making any repairs or replacing your windows. They can also guide you on the best solution for your home, based on your unique requirements and budget. They can provide an estimate of how much it will cost to replace or repair your sash.

Replacement of the sash pulleys

Sash windows have a complex, delicate mechanism that needs regular maintenance and repairs. They can be damaged and become difficult to operate without it. They can also be noisy and dangerous, posing danger to health and fire. Many older sash window can be fixed at a low cost and without damaging the structural integrity of a building. They can be draught-proofed, made secure and conform to insurance requirements. In this way they can be kept for the future generations.


Traditional timber frames are susceptible to damage from weathering and decay. Water can easily get into the cill or bottom section of the window frame. It can be strengthened with metal angle brackets that can be fitted over the existing sub-cill. New cills are also made from a durable wood like oak. To keep as much of the original fabric as you can it is crucial to take care when putting into new timber.

In the eighteenth century Sash windows were mostly milled from slow-grown deal (pine) and in rare instances, oak. They were made to last for a very long time and are now considered a real feature of historic buildings. Repairing and replacing these windows should be done with the same type of timber to avoid shifting between the old and new components.

Ironmongery is essential for the operation of double-glazed windows with sash. This includes a brass pulley, or hardwood pulley, as well as lead or cast iron weights, shutter hinges and knobs. All of these must be maintained in good working order, and repaired or changed when necessary. They can help keep the sash in its proper place, and stop it from falling or sticking. They can be used to open a sash window for ventilation or cleaning. There are many security fittings for sash window that are minimal in appearance and will not alter the appearance of a period home. These include height restrainers, anti-lift devices and dual screws.