Sash Windows Repair and Replacement

Sash windows older than 20 years old can be afflicted with a variety of problems such as rattles and draughts. They might also be inefficiently constructed to be insulated. With a little effort they can be restored to a high level of performance.

First, cut off the seal of paint using an utility knife. Remove the staff bead, then pull out the upper sash and remove any cords or chains. Keep the hardware in a bag that has the label.

Sealing

Sash windows are beautiful in older buildings, but they do need maintenance and can be subject to issues like cracks in putty, wet rot, and drafts. It is possible to reduce energy loss and increase the efficiency of sash windows by replacing, repairing double glazed windows or sealing them.

The gaps between the sash and frame are the main source of draughts. They can also trigger noise and rattling, which can reduce soundproofing. Sealing beads, specialist products, and secondary glazing can be used to limit the air leakage inside a shutter.

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

If a gap in the upvc window repair is preventing windows from closing and opening smoothly, it may be necessary to install new sash runners or spring bronze. These are bronze strips that are stapled or nailed onto the edges of the lower sash to stop sideways rattle, and they can be purchased at DIY stores. Tubular weather-stripping made of vinyl is a different option, but it is prone to rip, and it can make a difference to the appearance of windows.

When installing replacement sash runners It is crucial to measure the entire width of the window opening. It is best to take measurements from the top of the sash up to the horizontal line on 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 ensure a proper fit and better operation of the window.

In older buildings the gap between the sash and frame is usually wider around the leading edge. It is possible to draught-proof it using a strip of V-strip that is self-adhesive. However it is essential to consider this when cutting and measuring material.

The strip should be cut at the height of the sash with an inch extra on each side to allow for movement. It should be cut square and positioned so that the ends are aligned to the angle of the window sill. It is also essential to use stainless steel screws as brass can rust, and the best quality silicone or polyurethane adhesive.

Refurbishment

The sash is an attractive historical feature of a lot of homes. Yet despite their beauty, these windows are susceptible to a variety of problems. Rattling, draughts, Sash Windows Repair sticking or leaking are typical issues. Rotting frames and rails that connect them, as along with broken glazing bars, faulty weights or rotten frames can all cause problems. If you are experiencing any of these problems, it is time to replace or repair your sash.

Refurbishment may be more expensive than replacing the sash, but it will restore your sash's look and functionality to the same level as its original state. Refurbishment involves re-lining the meeting rail as well as the sash box using traditional putty, and repairing any damage caused by the rot. It also includes re-painting the frame with timber and reglazing with 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 noise of rattling.

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

Check the metal tabs of the new window with those of the old sash before installing it (see below). If they're different shapes, the new sash won't fit in the slots of the window frame.

It is important to decide if you want to repair or replace windows that are damaged, as each choice will require a different degree and level of expertise. If a large part of the glass in the sash is missing replacing it is an option. If the glass is only damaged in a small region or a sill has begun to decay or rotting, then a repair could be better.

Replacement

Although many homeowners want to keep their old windows in good condition, the deterioration of the windows can cause issues such as rattles, draughts, or even broken glass. These issues typically point to an inevitable replacement as the only sensible solution. There are other options to improve sash window performance than simply replacing them. These include installing secondary glazing and draught-proofing.

Think about the scope of the problem. It may not be necessary or even necessary to replace a window. For example, a foggy glass issue typically occurs within the sash and is usually able to be resolved without having to tear out the entire frame. It is usually possible to fix a poor seal by making a few easy fixes, rather than ripping out the entire frame and reinstalling it.

Sash windows feature a complicated design with many moving parts. This is why it can be tricky to remedy some common problems like sash cords that are snapped or broken panes. Many homeowners do not want to disassemble the window frame to repair these issues. Many homeowners opt to work with a professional due to these reasons.

Specialists can restore sash window frames to their original glory or bring them up-to-date with the latest energy standards. This may include reconditioning frames and fitting secondary glazing to stop heat escaping from the window. It may also be beneficial to add a brush pile strip, to stop rattling and reduce drafts.

To begin the repair, remove the window stops. (The moldings that are in front of the lower glass). Then you can loosen the staff, and pull the lower window sash. Remove the chains and cords from both sides. Then remove the sashweights from the bottom of the cavity for weight. Place the hardware in a safe location. The heat gun will soften old, hardened filler or putty. Scrape it off with a blade made of putty. Reassemble the window, reconnect the hardware and lubricate the pulley axles with silicone or Teflon spray. Install the parting beads and put back the upper sash.

Repair

It is crucial for the homeowner to make a decision on whether to repair or replace their sash windows. Modern replacements offer many advantages however, the original features of an older house can add the character and value. They are also cheaper to repair rather than replace. Maintaining them in good condition can also save energy costs. Sash windows can be prone to drafts and rattles. This can lead to more expensive energy bills and can damage the frame and sash.

Sash windows are notoriously difficult to open and close, and the traditional sliding mechanism can become dislodged from its track or draughty. It's best to leave the repair of sash windows to professionals because it requires a lot of dismantling. With the right tools and know-how it is possible to fix old sash windows yourself. Adam shows Jess the basics:

The process of bringing the window apart begins with the removal of any security fittings in front of the lower sash. Next, remove the staff bead, then pull out the bottom sash. Then, remove the chains or cords on both sides, and tie them to stop them from being pulled back into the frame by the weights attached to them. Now it's time to take out the upper sash. Remove the sash stops which is a thin vertical strip of wood that holds the sash. Also, take off any paint-encrusted hardware. The sash can be pulled back to reveal the weight balancing, which is a large iron cylinder that is encased in a hidden cavity and anchored by a rope. To prevent the sash from falling into the void, pierce it with nails and Sash Windows Repair remove the weight.

Once the sashes are free Clean the jamb and rails that meet, remove the glazing bars and sash cords and remove any paint off the sash stops with a utility knife. Reattach the stops once the sashes have been reinstalled. Use nails that are small enough not to damage the balancing weight.

To reassemble the sash, put the top sash into its track first, and then the lower sash. Make sure the sash stops are in the correct alignment with the frame, and reattach the beads that separate if required. Then, reconnect the sash chain or cords and re-install the axles of the sash pulleys.