Sash Windows Repair and Replacement

Older sash windows be plagued by a variety of issues including draughts rattles, and inadequate insulation. A little care can often bring them back to a high standard of performance.

(Image: https://www.repairmywindowsanddoors.co.uk/wp-content/uploads/2018/09/Replacement-Windows-150x150.jpg)First, remove the seal with a utility knife. Remove the staff bead, pull out the upper sash and take out any chains or cords. Store the hardware in a bag with the label.

Sealing

Sash windows repairs near me look stunning in older buildings, however they require care. They are susceptible to issues like wet-rot, cracked putty, and draughts. It is possible to reduce energy loss and increase the efficiency of windows made of sash by replacing, repairing or sealing them.

Draughts are mainly caused by gaps between the sash and the frame. They can also cause noise reduction and rattling. There are a variety of methods to limit air leaks within a sash window, including sealing beads, special products and secondary glazing.

A gap between the top or bottom of the sash and the jamb frame is a common problem. This can cause moisture to leak in, rotting wood and the growth of mold. The gap can be filled with caulking made of polyurethane or silicone or foam sealant.

If a gap is hindering windows from closing and opening easily, it could be necessary to install new spring bronze or sash runners. These are strips of bronze that are stapled or nailed to the edges of the lower sash to stop sideways rattle, and they are available from DIY stores. Tubular vinyl weather-stripping is another option however it has a tendency to tear and make a difference to the appearance of a window.

It is important to measure the entire window opening before installing new sash runners. It is recommended to take measurements from the top of the sash up to the horizontal centerline of the rail that connects them and from the bottom of sash down to the sill. These measurements can be incorporated into the new runners, which will help ensure a good fit and better operation of the double glazed window repairs.

In older buildings the gap between the frames and sash is typically larger around the leading edge. It can be draught proofed by using a self-adhesive Vstrip, however it is important to account for this when measuring and cutting the material.

The strip should be cut at the height of the sash and with an inch extra on each side to allow movement. It should be cut squarely and positioned to match the angle of the sill. It is also important to use stainless steel screws since brass can rust and the best quality polyurethane or silicone adhesive.

Refurbishment

The sash is a stunning historic feature in many homes. These windows are gorgeous but they can also be prone to problems. Common problems include rattling, draughts or sticking. The rotted frames and the meeting rails as along with broken double glazing repair bars, defective weights or rotten frames can all cause problems. If you are experiencing any of these issues, it is time to replace or repair your sash.

Refurbishment can be more expensive than replacing the sash however, it can restore the appearance and function to the same level in its original condition. It involves lining the joining rail and sash box with traditional putty and repairing any rot damage. Re-painting of the timber frame is also included, as is the re-glazing process 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 is also recommended to put in brush pile weather strip to reduce the rattling.

If a new sash is required the frame can be constructed using similar designs to the frame that was previously used and keep your property's heritage style. This is especially important for buildings that are listed, as any changes to the windows will require planning permission.

Compare the metal tabs on the new window with the old sash prior to installing it (see below). If these are different shapes the new sash won't fit correctly into the slots of the window frame.

If a window has been damaged, it is crucial to decide between repair or replacement since each kind of repair will require a different level of expertise and cost. For instance the case of a sash windows that has a significant piece of glass missing then replacement is the best option. But, if the glass is damaged in one small section or a sill is rotting then a repair will be the better option.

Replacement

Although many homeowners want to keep their old sash windows in good working condition, deterioration could eventually result in problems like rattles, draughts, or even broken glass. These issues typically lead to a replacement as the only logical solution. However, there are ways to improve the sash windows beyond just replacing them, such as installing draught proofing as well as secondary glazing.

Take note of the severity of the problem. It may not be necessary or even suitable to replace a window. For instance, a foggy glass issue usually occurs within the sash itself and is usually able to be resolved without ripping out the whole frame. It is usually possible to repair a weak seal with a few simple fixes, rather than tearing out the entire frame and reinstalling it.

Sash windows are a complicated design that has many moving parts. This is why it can be difficult to fix common issues, like snapped sash cords or broken panes. Solving these issues usually requires removal of the window frame which isn't something that most homeowners want to take on themselves. Many homeowners choose to engage a professional for these reasons.

Specialists can restore sash window frames to their original glory or make them more up-to-date with modern energy standards. This may include reconditioning frames and installing secondary glazing, to avoid heat from the window. It is also possible to add a brush-pile strip in order to minimize drafts and prevent the window from squealing.

To begin a repair, remove the window stops (the moldings in front of the lower sash). Then you can loosen the staff, and pull out the lower window sash. Take off the cords or chains on both sides. Then, remove the sash weights from bottom of the weight cavity and repairing Double glazed windows remove them. Keep the hardware in a secure location. The heat gun will soften the old, hardened filler or putty. Scrape it away with the blade of a putty. Reassemble the upvc window repairs, attach the hardware and lubricate the pulley axles using silicone or Teflon spray. Reinstall the parting bead, and reinstall upper sash.

Repair

The decision to repair or replace the sash window is an important one for homeowners. Although modern replacements can provide a host of benefits, the original features of a home that was built earlier give character and value to the home and are usually cheaper to fix than replacing them. Keeping them in good condition will also help you save money on energy. Sash windows can be prone to drafts and rattles. This can result in more expensive energy bills and can damage the frame and the sash.

Sash windows are notoriously difficult to open and close, and the traditional sliding mechanism can become dislodged from its track or draughty. Repairing a sash window involves extensive removal of the frame of the window and should be left to the professionals. With the right tools and experience, it is possible to fix an the old sash window yourself. Adam shows Jess how to start:

Getting the window to come apart starts with the removal of any security fittings in front of the lower sash. Next, remove the staff bead, then take the sash off the bottom. Remove the chains and cords from both sides, and tie them in such a way that they won't be pulled back by the weights. It's time to take off the upper sash. Remove the sash stops, a thin vertical strip of wood that holds the sash. Also, take off any paint-encrusted hardware. The sash should be pulled back to reveal the weight. It is a large iron or lead cylinder that is concealed in a cavity, and held by a cord. To stop the sash from falling into the void, pierce it with a nail and sacrifice the weight.

Once the sashes are free clean the jamb and meet rails. remove the glazing bars and sash cords and remove any paint from the sash stops using a utility knife. After the sashes have been put back in place, you can reattach the stops using nails that are small enough to prevent cutting the balancing weight.

Reassemble the sash by putting the upper sash first into its track, followed by the lower sash. Make sure the sash stops are properly aligned with the frame, and then reconnect the beads that separate if required. Reattach the sash chains or cords and attach the sash pulleys.