Sash Windows Repair and Replacement

Sash windows that are older than 20 years may have many issues, including draughts and rattles. They might also be inefficiently insulated. A little bit of care can often restore them to a high standard of performance.

First, cut off the seal of paint using an utility knife. Then, remove the staff bead, then take the upper sash out, taking off chains or cords and storing the hardware in a bag marked.

Sealing

Sash windows are gorgeous in older buildings, however they require maintenance. They can be affected by problems like wet-rot cracked putty and draughts. Repair, sealing or replacement of the windows sash is an effective method to minimize these issues and improve the efficiency of energy.

Draughts are mostly caused by gaps between the sash and frame. They can also cause noise and rattling, which can reduce soundproofing. Sealing beads, special products, and secondary glazing can be used to limit the air leakage in a shutter.

A gap between the top and bottom of the sash and the jamb frame, is a common problem. This can cause water leaking into the wood the wood, rotting and the growth of mould. Seal the gap with silicone, polyurethane, or foam sealant.

Installing a new sash runner, or spring bronze might be required if a gap prevents windows from opening and shutting easily. These are bronze strips that are stapled or nailed onto the edges of the lower sash to prevent sideways rattle. They can be purchased at DIY stores. Weatherstripping made of tubular vinyl can also be used, but it tends to rip and can alter the appearance of your window.

When installing replacement runners for sash it is essential to measure the window opening. It is best to take measurements from the top of 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 ensure a proper fit and better operation of the window.

In older buildings there is a greater gap between the sash and the frame on the leading edge. It can be draught-proofed with a strip of self-adhesive V-strips, but it is important to account for this when cutting and measuring the material.

A piece of material should be cut to the height of the sash, with an additional inch on each side to allow for movement. It should be trimmed squarely and positioned in accordance with the angle of the sill. It is also essential to use stainless steel screws because brass is prone to rust, and high-quality silicone or polyurethane adhesive.

Refurbishment

The windows with sash are a stunning and historic feature of many homes. However, despite their beauty windows like sash windows can be prone to a range of issues. Draughts, rattling or leaking are common issues. Also, rotting frames, connecting rails, broken glazing bars, or damaged weights could cause a lot of trouble. If you encounter any of these issues, it is time to replace or Sash Windows Repair repair your sash.

Refurbishment is more costly than replacing the sash however, it can bring back the appearance and function to the same level as its original state. Refurbishment involves re-lining both the meeting rail and the sash box using traditional putty, and then repairing any damage caused by the rot. Re-painting of the timber frame is also included, as well as re-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 is also recommended to put in brush pile weather strip to minimize the noise of rattling.

If you require a new sash, it can be made using similar designs to the frame that was previously used and keep the character of your house. This is especially important for listed properties where any changes made to the windows will require planning permission.

Check the metal tabs of the new window with the old sash prior installing it (see below). If they are different shapes the new sash may not fit in the slots of the window frame.

If a window has been damaged, it is essential to decide between replacement or repair, because each type of work will require a different degree of expertise and price. For example when a sash window has a large chunk of glass missing then a replacement will be the best choice. If the glass is only damaged in a small region or a sill is rotting, then a repair would be better.

Replacement

While many homeowners are keen to keep their old windows in good condition, the deterioration of the windows can cause problems such as rattles, draughts or even broken glass. This is why replacing sash windows is often the only solution to these issues. However, there are other ways to improve the sash windows, beyond simply replacing them, like installing draught proofing and secondary glazing.

Think about the scope of the problem. It might not be necessary or appropriate to replace the window. For example, a foggy glass issue usually occurs within the sash itself and can usually be solved without having to tear out the entire frame. A leaky seal can be fixed with a few simple fixes instead of a costly full-frame tear-out and replacement.

Sash windows have a complex design with a lot of moving parts. This is why it can be difficult to remedy some common problems, like snapped sash cords or broken panes. Most homeowners don't want to take apart the window repairs frame to repair these issues. This is why many opt to hire a specialist.

A professional can help restore windows made of sash back to their original glory, or even bring them up to modern energy standards. This can include reconditioning frames and installing secondary glass to block heat from getting out of the window. It may also be beneficial to put in a brush pile strip to stop rattling, and reduce drafts.

To begin a repair project, remove the window stops (the moldings in front of the lower sash). Then loosen the staff and remove the lower window sash. Remove the cords or chains on both sides. Finally, remove the sashweights from the bottom weight cavity. Keep the hardware in a secure place. Heat gun to soften hardened filler or putty. Scrape it away with a putty blade. Reassemble the window, reconnect the hardware and then lubricate the pulley axles by using silicone or Teflon spray. Install the parting beads and reinstall the upper part of the sash.

Repair

It is crucial for the homeowner to make a choice on whether to replace or repair their sash windows. Although modern replacements offer many advantages, the original features of an older home add personality and value to the home and are generally less expensive to repair than replacing them. Maintaining them in good shape can reduce the cost of energy. Sash windows are susceptible to drafts and rattles. This can lead to higher energy bills and even damage to the frame and sash.

Sash windows can be a challenge to open and close. The mechanism that slides can become dislodged or become draughty. Repairing a sash window involves extensive removal of the frame of the window, so it's best left to a professional. With the right tools and knowledge it is possible to repair an old sash window yourself. Adam shows Jess how to start:

Remove any security fittings in front of the lower window sash. Next, take off the staff bead and pull out the bottom sash. Then, Sash Windows Repair take the cords or chains on both sides, and tie them to prevent them being pulled back into the frame by the weights that are attached. It's now time to take out the upper sash. Unscrew the sash stops (a thin vertical strip of wood that holds the sash) and then loosen any painted-covered hardware. Pull the sash back to reveal the weight. It is a heavy iron or lead cylinder that is concealed in a cavity, and secured by a cord. To prevent the sash from falling into the void hit it with a nail and sacrifice the weight.

Once the sashes are free, clean out the jamb and rails that meet, remove the glazing cords and sash bars, and remove any paint off the sash stops with the help of a utility knife. Reattach the stops once the sashes have been put back in place. Use nails that are small enough not to puncture the balancing weight.

Reassemble the sash by inserting the upper sash on top of its track, followed by the lower sash. Make sure the sash stops are properly aligned with the frame, and then reattach the parting beads if needed. Reattach the sash cords or chains and attach the sash pulleys.