Sash Windows Repair and Replacement

Older sash windows may be plagued by a variety of issues, including draughts rattles, and poor insulation. With a little effort they can be repaired to a high level of performance.

First, cut off the paint seal using an utility knife. Remove the staff bead, pull out the upper sash and Sash Windows Repair remove any cords or chains. Store the hardware in a container with a label.

Sealing

Sash windows look gorgeous in old buildings but they require maintenance and could be susceptible to issues like wet rot, cracked putty and drafts. It is possible to minimize energy loss and improve the efficiency of sash windows by replacing, repairing or sealing them.

Draughts are mainly caused by gaps between the sash and frame. They can also trigger noise reduction and rattle. Various methods can be used to limit air leaks within windows with sash, including sealing beads, special products, and secondary double glazing window repairs.

A gap between the top or bottom of the sash, and the jamb frame, is an issue that is common. This can lead to moisture leaking into the wood, which can cause rotting, and mold growth. Seal the gap with silicone, polyurethane, or foam sealant.

If a gap in the window is preventing the windows from closing and opening smoothly, it may be necessary to put in new sash runners or spring bronze. These strips of bronze are stapled or nailed to the sash's lower edges to stop the rattling of the sides. They are available at DIY stores. Tubular weatherstripping also can be used, however it is prone to tear and may alter the look of your window.

It is crucial to measure the entire window opening prior to installing a an alternative sash runner. It is recommended to measure from the top of the sash to the horizontal line of the meeting rail and from the bottom of the sash down to the sill. These measurements can be transferred to the new runners, which will help ensure a good fit and better operation of the window.

In older buildings, there is a wider gap between the sash and frame at the leading edge. It can be draught-proofed using strips of V-strip that is self-adhesive. However it is crucial to take this into consideration when measuring and cutting material.

The strip should be cut at the height of the sash and with an inch added on each side to allow for movement. It should be trimmed to a square shape and then positioned in a way that the ends are matched to the angle of the window sill. It is also essential to make use of stainless steel screws as brass can rust, and a high-quality silicone or polyurethane adhesive.

Refurbishment

The sash is a stunning historic feature in many homes. Yet despite their beauty, these windows are susceptible to a range of issues. Draughts, rattling, sticking or leaks are all common problems. Also, rotting frames, meeting rails, broken glazing bars, or damaged weights could add to the inconvenience. If you are experiencing any of these issues, it is time to replace or repair your sash.

Refurbishment may be more expensive than replacing the sash, however, it can bring back the appearance and function to the same level as its original state. Refurbishment involves lining the meeting rail as well as the sash box using traditional putty, and then repairing any damage caused by decay. Re-painting of the timber frame is also included, as is glazing using traditional glass. A full refurbishment can also include adding draught proofing, re-attaching the sash furniture/ironmongery and replacing the parting bead (the dividing strip between the two panes of glass). It's also recommended to install brush pile weather strip to reduce rattling.

If you require a new sash, it can be made using similar designs to the frame of the previous one and preserve your property's heritage style. This is particularly important for listed buildings where any changes to the windows will require planning permission.

Before putting the new window in place, it's best to examine its metal tabs with those on the old sash (see below). If these are different shapes the new sash won't fit in the window frame slots.

If a window is damaged, it is essential to decide between replacement or repair, because each kind of work will require a different degree of expertise and cost. For instance the case of a sash windows that has a significant piece of glass missing, a replacement will be the best choice. If the glass is damaged in a small area or a sill is beginning to rot and needs to be repaired, then a repair will be better.

Replacement

Many homeowners wish to keep their old sash window in good condition, however the deterioration of the window will eventually cause issues like draughts or rattles. Broken glass may also occur. This is why it's often the only solution to these problems. There are other options to improve the performance of sash windows rather than replacing them. These include installing secondary glazing and draught-proofing.

Consider the extent of the issue. It may not be necessary or even necessary to replace windows. A glass that is foggy, for example, is usually caused by the sash and can be resolved without tearing out the entire frame. A weak seal can be fixed by a few easy fixes rather than an expensive full-frame tear-out and replacement.

Sash windows are surprisingly complex in design and have many moving parts. This is why it can be tricky to solve common issues like sash cords that are snapped or broken panes. Solving these issues usually requires removal of the window frame which isn't something that most homeowners would want to tackle on their own. Many homeowners choose to engage a professional for these reasons.

Specialists can restore sash window frames back to their original glory or make them more up-to-date with the latest energy standards. This can include reconditioning the frames and Sash Windows Repair fitting secondary glazing, which will stop heat loss through the window. It can also be helpful to add a brush pile strip, to stop rattling, and reduce drafts.

To begin a repair, take off the window stops. (The moldings that are in front of the lower glass). Then, loosen the staff bead, then remove the lower sash. Take off the cords or chains on both sides. Finally, remove the sashweights from the bottom of the cavity for weight. Keep the hardware in a secure place. Soften any old filler or hardened putty by using a hot gun. Then scrape it away with a knife for putty. Reassemble the window, reconnect the hardware and lubricate pulley axles by using silicone or Teflon spray. Reinstall the parting bead, and reinstall upper sash.

Repair

The choice to replace or repair the sash window is an important one for homeowners. Modern replacements have many benefits however, the original features in an older house can add character and value. They are also less expensive to repair than replacing. Maintaining them in good shape can reduce the cost of energy. Sash windows are susceptible to drafts and rattles. This can result in higher energy bills and damage the frame and sash.

Sash windows can be difficult to open or close. The sliding mechanism may be slack or become draughty. It is best to leave the repair of sash windows to professionals since it requires extensive removal. With the right tools and knowledge it's possible for you to repair old sash window yourself. Adam shows Jess the basics:

Remove any security fittings just in front of the lower window sash. Then, remove the staff bead, then pull out the bottom sash. Remove the cords and chains from both sides, and tie them so that they cannot be pulled back by the weights. It's time to remove the upper sash. Unscrew the sash stops (a thin vertical strip of wood that is used to hold the sash) and loosen any painted-covered hardware. The sash should be pulled back to reveal the weight. It is a massive iron or lead cylinder that is hidden in a cavity, and secured by a cord. To prevent the sash from falling into the void, make a hole in it using nails and remove the weight.

When the sashes are untied clean the jamb and rails that meet, remove the glazing cords and sash bars, and scrape off any paint off the sash stops with a utility knife. Reattach the stops when the sashes have been put back in place. Use nails that are small enough not to damage the balancing weight.

To reassemble the sash, place the top sash onto its track first, then the lower sash. Check that the sash stops and the frame are aligned properly. If needed, reconnect any beads used for parting. Reattach the sash chains or cords and install the sash pulleys.