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 restore them to a high standard of performance.

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

Sealing

Sash windows can look stunning in old buildings but they require regular maintenance and are susceptible to issues like wet rot, cracked putty, and drafts. It is possible to reduce energy loss and increase the efficiency of windows with sash by replacing them or repairing them, or sealing them.

The gaps between the sash and frame are the primary cause of drafts. They can also lead to noise reduction and rattle. There are a variety of methods to stop air leaks from windows with sash, including sealing beads, specialty products and secondary glazing.

A common issue is a gap that exists between the top of the sash and the jamb frame or between the bottom of the sill and the sash. This can result in water leaking into the wood and rotting of the wood, and mould growth. Seal the gaps with silicone, polyurethane or foam sealant.

Installing new sash runner or spring bronze could be necessary if a gap prevents the windows repairs near me from closing and opening easily. These are strips of bronze that are stapled or nailed onto the edges of the lower sash to stop sideways rattle, and they can be purchased from DIY stores. Tubular vinyl weather-stripping is an alternative option, but it is prone to tear, and can detract from the appearance of windows.

It is essential to measure the entire window opening prior to installing the new sash runners. It is best to measure from the top of sash up to the horizontal line on the meeting rail and from the bottom sash down to the sill. These measurements can then be transferred to new runners, which will ensure a better fit and operation of the window.

In older structures there is a larger gap between the sash and Sash Windows Repair the frame on the leading edge. It can be draught-proofed using strips of V-strip that is self-adhesive. However, it is important to take this into account when measuring and cutting the material.

A piece of material should be cut to the width of the sash. There should be an extra inch on each side to allow movement. It should be squarely trimmed and placed to match the angle of the sill. Use stainless steel screws as brass may rust. Also, use the highest quality polyurethane or silicone glue.

Refurbishment

The sash window is an elegant, historic feature of many homes. These windows are gorgeous, but they can be prone to problems. Rattling, draughts, sticking or leaks are all common problems. The rotted frames and the rails that connect them, as and broken glazing bars, damaged weights or rotten frames can cause issues. When these issues arise, it's time to consider repairs or replacements to your sash.

Refurbishment is a more expensive alternative than replacing the sash, but it will restore the look and function of your sash window the same or better than its original state. It involves lining the meeting rail and sash box with traditional putty and fixing any rot damage. Re-painting the frame of the timber is also included, as well as 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 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 particularly important for listed buildings where any changes made to the windows will require planning permission.

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

It is crucial to determine whether to repair or replace windows that are damaged, as each will require a different level and amount of knowledge. For example when a sash window has a significant piece of glass missing then replacing it is the best choice. If the glass is only damaged in a tiny area or a sill is rotting and needs to be repaired, then a repair will be better.

Replacement

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

It's important to consider the extent of a problem, as it may not be feasible to replace the entire window. For example, a foggy glass window repair issue typically occurs within the sash and is usually able to be resolved without having to tear out the entire frame. It is typically possible to repair a weak seal by making a few easy solutions, rather than cutting out the entire frame and replacing it.

Sash windows are extremely complex in design and feature a lot of moving parts. This is why it can be a challenge to solve common issues such as snapped sash cords or broken panes. The solution to these issues typically involves dismantling the window frame, which isn't something the majority of homeowners would like to tackle themselves. For these reasons, many opt to hire a professional.

Specialists can restore sash window frames back to their original splendor or make them more up-to-date with modern energy standards. This can include reconditioning frames and installing secondary glass to stop heat from getting out of the window. It is also possible to add a brush pile strip, to stop rattling, and reduce drafts.

To begin the repair, remove the window stops. (The moldings are located in front of the lower glass). Then loosen the staff and pull the lower window sash. Remove the cords and chains from both sides. Then, remove the sash weights from the bottom of the weight cavity and remove them. Keep the hardware in a secure place. Use a heat gun to soften the old, hardened filler or putty. Scrape it off using the blade of a putty. Reassemble the window, reattach the hardware and lubricate the pulley axles by using silicone or Teflon spray. Install the parting beads again and reinstall the upper sash.

Repair

The decision to repair or replace windows with sash is a crucial one for homeowners. Modern replacements are beneficial in many ways, but the original features in an older home can add authenticity and value. They are also less expensive to repair instead of replacing. Inspecting them regularly can reduce the cost of energy. Sash windows can be prone to rattles and drafts. This can lead to more expensive energy bills and can damage the frame and the sash.

Sash windows are notoriously difficult to open and close and the standard sliding mechanism can become dislodged from its track, or even draughty. Repairing a sash window requires extensive dismantling of the window frame and should be left to a professional. However, with the right tools and know-how, it is possible to fix old sash windows yourself. Adam shows Jess how to start:

Making the window come apart starts by removing any security fittings that are in front of the lower sash. Then, you can remove the staff bead. Finally, pull out the sash at the bottom. Then, 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 time to take off the upper sash. Remove the sash stops (a thin vertical strip of wood that holds the sash) and then loosen any painted-covered hardware. The sash should be pulled back to reveal the weight. It is a massive iron or lead cylinder, which is tucked away inside a cavity and held by a cord. To stop the sash falling into the void make a hole in it using nails and remove the weight.

After the sashes have been removed clean the jambs and meet rails. Remove the glazing bars and the sash cords. Then, Sash Windows Repair using a utility blade take off any paint that is on the sash stop. Reattach the stops once the sashes have been reinstalled. Use nails that are not large enough to puncture 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 in the correct alignment with the frame, and then reattach the parting beads if needed. Reattach the sash chains or cords and attach the sash pulleys.