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2024年2月10日 (土) 05:30時点における最新版
Sash Windows Repair and Replacement
Older sash windows be prone to a variety of issues including draughts rattles, and inadequate insulation. A little care can often bring them back to a top level of performance.
First, remove the paint seal using an utility knife. Remove the staff bead, then pull out the upper sash, and take out any chains or cords. The hardware should be stored in a container with the label.
Sealing
Sash windows look stunning in older structures, but they require regular maintenance. They can be affected by issues such as wet-rot, cracked putty and draughts. Sealing, replacement or repair of the windows sash is an effective method to minimize these issues and increase energy efficiency.
Draughts are usually caused by gaps between the sash and the frame. They can also lead to noise reduction and rattling. Sealing beads, specialty products, and secondary glazing can all be used to reduce the air leakage in a sash.
A common problem is a gap between the top of the sash and the jamb frame, or between the bottom of the sash and the sill. This can lead to the leaking of moisture and rotting of the wood and the growth of mould. Seal the gap using silicone, polyurethane or foam sealant.
If a gap is hindering windows from closing and opening smoothly, it may be necessary to put in new spring bronze or sash runners. These are a type of bronze that are stapled or nailed onto the edges of the lower sash to prevent sideways rattle, and they can be purchased from DIY stores. Tubular vinyl weather-stripping is an alternative option but it can rip, and it can affect the appearance of a window.
When installing replacement sash runners it is essential to measure the window opening. It is best to take measurements from the top of the sash to the horizontal centerline of the rail that connects it, and from the bottom of the sash down to the sill. These measurements can be transferred to the new runners, which will help ensure a perfect fitting and better operation of the window.
In older buildings, the gap between sash and frame is usually larger around the leading edge. It is possible to draught proof with a strip of self-adhesive Vstrip, however it is essential to take this into consideration when measuring and cutting the material.
A strip must be cut to the height of the sash, with an additional inch on each side to allow for movement. It should be trimmed square and positioned so that the ends are matched to the angle of the window 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 sash is a beautiful historic feature in many homes. However, despite their beauty these windows are susceptible to a myriad of issues. Draughts, rattling or leaking are typical issues. Also, rotting frames, connecting rails, broken glazing bars or faulty weights can add to the inconvenience. If you encounter any of these issues, it is time to replace or repair your sash.
Refurbishment may be more expensive than replacing the sash however, it can bring back the appearance and function to the same standard in its original condition. It involves lining the meeting rail and sash boxes with traditional putty, and then repairing any rot-related damage. It also involves re-painting the timber frame and re-glazing with traditional glass. A full refurbishment can also include adding draught proofing, advicebookmarks.com 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 the noise of rattling.
If a replacement sash needed, it can be made using the same style to match your old frame. This will preserve the heritage style of your home. This is especially crucial for listed homes where any modifications made to the windows will require planning permission.
Before putting the new window on, it's best to compare its metal tabs to those on the sash that was previously used (see below). If they are different shapes the new sash may not fit inside the slots of the window frame.
If a window is damaged, it is essential to decide between replacement or repair double glazing window, since each kind of repair will involve a different level of expertise and price. For instance when a sash window has a significant piece of glass missing, replacement is the best option. If the glass is only damaged in a small region or a sill is rotting, then a repair would be more appropriate.
Replacement
While a lot of homeowners are eager to keep their old sash windows in good working condition, the deterioration of the windows can cause issues such as rattles, draughts, or even broken glass. This is why replacing them is often the only solution to these problems. There are other methods to improve sash window performance rather than replacing them. They can be improved by installing secondary glazing and draughtproofing.
It is important to determine the extent of a issue, since it might not be appropriate or even feasible to replace the entire window. A glass that is foggy, for example, is usually caused by the sash, and can be resolved without tearing out the entire frame. It is often possible to repair a weak seal using a couple of simple solutions, rather than cutting out the entire frame and reinstalling it.
Sash windows are quite complex in design and have lots of moving parts. It can be a challenge to fix some common problems like broken panes or sash cables that have snapped. Most homeowners don't want to remove the window frame in order to fix the issues. This is why many homeowners choose to work with a professional.
A specialist can assist in restoring sash windows back to their original glory, or even bring them up to the latest energy standards. This could include reconditioning the frames and fitting secondary glazing, which will stop heat loss out of the window. It is also possible to put in a brush pile strip to stop rattling, and reduce drafts.
To begin a repair, take off the window stops. (The moldings are on the side of the lower glass). Next, loosen the staff bead, then remove the lower sash. Take the chains and cords from both sides. Finally, disconnect the sash weights from the bottom of the weight cavity and remove them. Keep the hardware in a safe place. Heat gun to soften old, hardened filler or putty. Scrape it off using a putty blade. Reassemble the window. Reattach the hardware. Lubricate the pulleys by using Teflon or silicone spray. Reinstall the parting bead and put back the upper sash.
Repair
It is crucial for homeowners to decide whether to repair or replace their sash windows. Modern replacements are beneficial in many ways, but the original features of an older home can provide the character and value. They are also less expensive to repair instead of replacing. Keeping them in good condition can also save energy costs. 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 a challenge to open or close. The mechanism for sliding could become dislodged or even draughty. Repairing a sash windows requires extensive removal of the window frame, so it's best left to a professional. With the right tools and experience it's possible to repair an the old sash window yourself. Adam shows Jess the basics:
Remove any security fittings that are behind the lower window sash. Next, take off the staff bead, then remove the bottom sash. Remove the chains and cords from both sides, and tie them in a way that they can't be pulled back by the weights. It's now time to take out the upper sash. Take out the sash stops which is a thin vertical strip of wood that holds the sash. Also, take off any paint-encrusted hardware. Pull the sash back to reveal the weight. It is a massive iron or lead cylinder that is concealed in a cavity and is held by an elastic cord. To prevent the sash from falling into the void hit it with a nail and sacrifice the weight.
After the sashes have been removed clean the jambs and meet rails. Remove the glazing bars as well as the cords of the sash. Then using a utility knife take off any paint from 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 placing the upper sash on top of its track, followed by the lower sash. Make sure the sash windows repair stops are in the correct alignment with the frame, advicebookmarks.com and then reattach the parting beads if needed. Finally, reattach the sash chains or cords and then re-attach the axles for the sash pulleys.