Sash Windows Repair and Replacement

Sash windows that are older than 20 years old can be afflicted with a variety of problems, including draughts and rattles. They may also be poorly insulation. With a little effort they can be restored to a high level of performance.

First, remove the paint seal from the window stop using a utility knife. Remove the staff bead, then pull out the upper sash, and take off any chains or cords. The hardware should be stored in a container with the label.

Sealing

Sash windows can look stunning in old buildings, however they require regular maintenance and can be subject to issues like cracks in putty, wet rot and drafts. It is possible to decrease energy loss and increase the efficiency of windows with sash by replacing them or repairing them, or sealing them.

The gaps between sash and frame are the primary cause of draughts. They can also cause noise and rattling, which can reduce soundproofing. Different methods can be employed to stop air leaks from a sash window, including sealing beads, special products and secondary glazing.

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

Installing a new sash runner, or spring bronze could be required if a gap prevents windows from closing and opening smoothly. These bronze strips are stapled or nailed to the sash's lower edges to stop sideways rattling. They can be bought at DIY stores. Tubular vinyl weatherstripping can also be used, but it tends to rip and may alter the look of your window.

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

In older structures the gap between frames and sash is typically greater around the leading edge. It is possible to draught proof by using a self-adhesive V-strip, but it is important to consider this when cutting and measuring the material.

The strip should be cut at the height of the sash, with an inch more on each side to allow movement. It should be trimmed square and positioned in a way that the ends are matched to the angle of the window sill. Make sure to use stainless steel screws since brass will get rusty. Also, make sure you use a high quality polyurethane or silicone glue.

Refurbishment

The windows with sash are a stunning and historic feature of many homes. Yet despite their beauty, these windows are susceptible to a range of issues. Common issues include rattling draughts or sticking. Frames that are rotting and rails that meet, as along with broken glazing bars, damaged frames, or rotten weights can all cause problems. If you are experiencing any of these issues, it is time to replace or repair your sash.

Refurbishment may be more expensive than replacing the sash, but can restore the appearance and function to the same level as its original state. It involves re-lining the meeting rail and sash box using traditional putty and fixing any rot-related damage. It also involves painting the frame of timber and re-glazing 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 rattling.

If you require a new sash it can be constructed from like-for-like designs to match the old frame and maintain your property's heritage style. This is especially important for buildings that are listed, as any changes to the windows need planning permission.

Before putting the new window on, it's best to examine its metal tabs with those on the sash that was previously used (see below). If they're different sizes, the new sash will not fit inside the slots of the window frame.

If a window has been damaged, it is essential to decide between repair or replacement, because each kind of work will involve a different level of expertise and cost. For instance when a sash window has a large chunk of glass missing then a replacement will be the best choice. If the glass is 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

Although many homeowners want to keep their old windows in good order, deterioration can eventually cause problems such as rattles, draughts, or even broken glass. These issues typically lead to a replacement as the only feasible solution. But there are ways to improve sash windows, beyond simply replacing them, such as installing draughtproofing and secondary glazing.

Think about the scope of the issue. It may not be necessary or appropriate to replace windows. A foggy glass problem, for example, is usually caused by the sash, and can be resolved without tearing out the entire frame. It is usually possible to fix a weak seal using a couple of simple solutions, rather than cutting out the entire frame and replacing it.

Sash windows have a complex design with a lot of moving parts. It can be difficult to fix common problems like broken panes or snapped sash cables. Solving these issues usually requires removal of the window frame which isn't something that most homeowners would want to take on themselves. Many homeowners choose to hire a specialist for these reasons.

A professional can help restore windows with sash to their original splendor or even bring them up to current energy standards. This could include reconditioning the frames and installing secondary glazing, to avoid heat from the window. It may also be beneficial to put in a brush pile strip to stop rattling, Sash Windows Repair and reduce drafts.

To begin the repair, take off the window stops. (The moldings that are located in front of the lower glass). Then loosen the staff and pull out the lower window sash. Take off the cords or chains on both sides. Finally remove the sashweights from the bottom cavity of the weight. Keep the equipment in a secure location. Soften any old, hardened putty or filler by using a hot gun. Then scrape it off with the help of a putty knife. Reassemble the window. Reattach the hardware. Lubricate the pulleys by using Teflon or silicone spray. Install the parting beads and then reinstall the upper sash.

Repair

It is essential for homeowners to decide whether to replace or repair their sash windows. Modern replacements offer many advantages however, the original features of an older home can add character and value. They are also cheaper to repair rather than replace. Keeping them in good condition will also help you save money on energy. Sash windows are susceptible to rattles, drafts and condensation. These issues can lead to higher cost of energy and damage to the frame and sash.

Sash windows can be difficult to open or close. The mechanism for sliding could become sloppy or even draughty. repairing double glazed windows a sash window requires extensive dismantling of the window frame, so it's best left to the professionals. But, with the right tools and knowledge, it is possible to fix old windows with sash yourself. Adam shows Jess how to start:

Remove any security fittings that are in front of the lower window sash. Next, remove the staff bead and pull out the bottom sash. Then, pull out the cords or chains on both sides, and tie the ends to stop them from being pulled back into the frame by the attached weights. It's time to remove the upper sash. Remove the sash stops (a thin vertical strip of wood that holds the sash) and then loosen any paint-encrusted hardware. Reverse the sash to reveal the weight. It is a heavy iron or lead cylinder that is concealed in a cavity, and held by an elastic cord. To stop the sash from falling into the void, you must pierce it with a nail and then sacrifice the weight.

After the sashes have been removed clean the jambs as well as rails that connect them. Remove the glazing bars and the cords of the sash. Then using a utility knife take off any paint that is on the sash stop. Reattach the stops when the sashes have been reinstalled. Use nails that are small enough not to puncture the balancing weight.

Reassemble the sash by putting the upper sash first into its track, then the lower sash. Make sure that the sash stops and the frame are aligned properly. If necessary, reattach any beads used for parting. Then, reconnect the sash chains or cords and re-attach the sash pulley axles.