Sash Windows Repair and Replacement

Sash windows that are older than 20 years can have a variety of problems, including draughts and rattles. They might also be inefficiently insulated. A little bit of care can often bring them back to their original performance.

First, scrape off the seal on the paint of the window stop using the knife of a utility. Remove the staff bead, pull out the upper sash and remove any cords or chains. Keep the hardware in a bag with the label.

Sealing

Sash windows can look stunning in old buildings, however they require maintenance and can be subject to issues like cracked putty, wet rot, and draughts. It is possible to minimize energy loss and improve the efficiency of windows made of sash by replacing the windows, repairing or sealing them.

The gaps between sash and frame are the primary source of drafts. They can also lead to noise reduction and rattling. Different methods can be employed to stop air leaks from windows with sash, including sealing beads, specialty products, and secondary glazing.

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

If a gap in the window is preventing windows from opening and closing easily, it could be necessary to replace spring bronze or sash runners. These strips of bronze are stapled or nailed to the lower sash edges to stop the rattling of the sides. They can be purchased at DIY stores. Tubular weather-stripping made of vinyl is a different option however it can tear and detract from the appearance of a window.

It is crucial to take measurements of the entire window opening before installing new sash runners. 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 sash down to the sill. These measurements can be transferred to the new runners, which will help ensure a good fit and a better performance of the window repair near me.

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

The strip should be cut to the height of the sash with an inch more on each side to allow movement. It should be trimmed square and positioned so that the ends are aligned to the angle of the window sill. Use stainless steel screws as brass may rust. Also, make sure you use the highest quality silicone or polyurethane glue.

Refurbishment

The Sash window is a beautiful, historic feature of many homes. However, despite their beauty these windows are susceptible to a range of issues. Common problems include rattling, stuck or draughty windows. Frames that are rotting and meeting rails as and broken glazing bars, faulty frames or weights that are rotten can all cause problems. If you are experiencing any of these issues, it is time to replace or repair your sash.

Refurbishment is a more expensive option than simply replacing the sash itself but it will bring back the appearance and function of your sash window to the same or better than its original state. It involves lining the meeting rail and sash box with traditional putty, and then repairing any rot-related damage. 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 prevent rattling.

If a new sash is needed, it can be made with the same design to match your old frame. This will help preserve the heritage style of your property. This is especially important for listed buildings where any modifications made to the windows will require planning permission.

Compare the metal tabs of the new window to the old sash prior to installing it (see below). If they're different shapes and sizes, the new sash will not fit inside the window frame slots.

It is crucial to determine whether to replace or repair windows that are damaged, as each choice will require a different degree and level of knowledge. For example the case of a sash windows that has a large chunk of glass missing, replacing it is the best option. If the glass is only damaged in a small area or a sill has begun to decay and needs to be repaired, then a repair will be more appropriate.

Replacement

While a lot of homeowners are eager 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 usually suggest replacement as the only feasible solution. However, there are ways to improve the sash windows, beyond simply replacing them, like installing draught proofing as well as secondary glazing.

Take note of the severity of the problem. It may not be necessary or suitable to replace windows. Foggy glass for instance is typically caused by the sash, and can be addressed without having to tear out the entire frame. It is typically possible to repair a weak seal using a couple of simple solutions, rather than cutting out the entire frame and reinstalling it.

Sash windows have a complex design that has 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 take apart the window frame to fix these problems. Because of this, many homeowners choose to work with an expert.

Specialists can restore sash window frames back to their original splendor or update them to meet the latest energy standards. This could include reconditioning the frames and installing secondary glazing to stop heat escaping out of the window. It may also be beneficial to add a brush pile strip to stop the rattling and decrease drafts.

To begin a repair, take off the window stops. (The moldings are on the side of the lower glass). Next, remove the staff bead and take off the lower sash. Take off the chains or cords on both sides. Lastly take the sashweights out of the bottom weight cavity. Keep the hardware in a secure position. Soften any old, hardened putty or filler using a heat gun, and scrape it away using a putty knife. Reassemble the window, attach the hardware and then lubricate the pulley axles by using silicone or Teflon spray. Install the parting beads and then reinstall the upper sash.

Repair

It is crucial for the homeowner to decide whether to repair or replace their sash windows. Modern replacements are beneficial in many ways however, the original features in an older house can add the character and value. They are also cheaper to repair rather than replace. Maintaining them in good condition will also help you save money on energy. Sash windows are susceptible to rattles and drafts. This could result in higher energy bills and damage the frame and sash.

Sash windows can be difficult to open and close. The mechanism for sliding could be slack or become draughty. It is best to leave the repair of sash windows to professionals because it requires extensive dismantling. However, with the right tools and knowledge it is possible to repair old windows with sash yourself. Adam shows Jess how to start:

Remove any security fittings that are just in front of the lower window sash. Then, remove the staff bead, then remove the bottom sash. Remove the cords and chains from both sides, and tie them so that they cannot be pulled back by the weights attached. It's now time to take out the upper sash. Remove 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 heavy iron or lead cylinder that is hidden in a cavity, and secured by an elastic cord. To prevent the sash falling into the void pierce it with a nail and sacrifice the weight.

Once the sashes are free, clean out the jamb and meet rails, remove the glazing cords and sash bars, and scrape off any paint off the sash stops using the help of a utility knife. When the sashes are returned to their original positions, you can attach the stops using nails that are small enough to avoid cutting the balancing weight.

Reassemble the sash by putting the upper sash first on its track, Sash Windows Repair then the lower sash. Make sure that the sash stops and the frame are properly aligned. If needed, reconnect any parting beads. Reattach the sash cords or chains and attach the sash pulleys.