Sash Windows Repair and Replacement
Sash windows older than 20 years may have a variety of problems, including draughts and rattles. They may also be poorly constructed to be insulated. A little attention can often restore them to their original performance.
First, knock off the paint seal from the window stop with a utility knife. Then remove the staff bead, then pull out the upper sash and remove the chains or cords, and then storing the equipment in a bag labeled.
Sealing
Sash windows look gorgeous in old buildings but they require maintenance and are susceptible to issues like wet rot, cracked putty, and drafts. It is possible to decrease energy loss and increase the efficiency of sash windows by replacing or repairing them, or sealing them.

The gaps between the sash and frame are the main source of drafts. They can also lead to noise reduction and rattling. Different methods can be employed to limit air leaks within windows with sash, including sealing beads, specialist 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 result in water leaking into the wood, rotting of the wood and the growth of mould. The gap can be closed with silicone or polyurethane caulking or foam sealant.
If a gap is preventing the windows from opening and closing without a hitch, it might be necessary to put in new spring bronze or sash runners. These strips of bronze are stapled or nailed to the lower sash edges in order to stop the rattling of the sides. They can be bought at DIY stores. Tubular vinyl weather-stripping is an alternative option but it can tear, and can detract from the appearance of windows.
It is important to take measurements of the entire window opening prior to installing a new sash runners. It is recommended to measure from the top of the sash up to the horizontal centerline 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 the best fit and function of the window.
In older structures the gap between the frames and sash is typically larger around the leading edge. It can be draught proofed by a self-adhesive V-strips, but it is essential to consider this when measuring and cutting the material.
A strip must be cut to the length of the sash. There should be an additional inch on each side to allow for movement. The strip should be cut to a square shape and then positioned in a way that the ends are matched to the angle of the window sill. It is also crucial to use stainless steel screws, since brass can rust and a high-quality silicone or polyurethane adhesive.
Refurbishment
The windows with sash are a stunning historical feature in many homes. But despite their beauty, these windows are susceptible to a variety of problems. Common problems include rattling, stickiness or draughts. The rotting of frames and meeting rails, broken glazing bars or weights that are not working properly can cause a lot of trouble. If you encounter any of these issues it's time to replace or repair your sash.
Refurbishment is more costly than replacing the sash but it will restore your sash's look and function to the same level as its original state. Refurbishment involves re-lining both the meeting rail and the sash box with traditional putty and fixing any damage caused by decay. Re-painting of the timber frame 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 strips to reduce rattling and improve insulation.
If a new sash is required It can be made using the same design to match the frame you have. This will maintain the traditional style of your house. This is especially important for listed buildings where any changes to the windows will require planning permission.
Check the metal tabs of the new window to the old sash prior to installing it (see below). If they're different sizes, the new sash will not fit inside the slots of the window frame.
It is crucial to determine whether to replace or repair windows that are damaged, as each will require a different level and amount of expertise. If a large part of the glass in the sash is missing then replacing it will be an alternative. If the glass is damaged in a tiny area or a sill has begun to decay, then a repair would be better.
Replacement
Many homeowners would like to keep their old sash window in good condition, however the deterioration of the window will eventually cause issues like draughts or rattles. Broken glass can also occur. These issues typically suggest replacement as the only logical solution. However, there are other ways to improve the sash windows beyond just replacing them, including installing draught proofing as well as secondary glazing.
It's important to consider the severity of a issue, as it may not be appropriate or even feasible to replace the entire window. A glass that is foggy 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 fix a poor seal using a couple of simple fixes, rather than ripping out the entire frame and replacing it.
Sash windows feature a complicated design with many moving parts. This is why it can be a challenge to solve common issues, like snapped sash cords or broken panes. Many homeowners do not want to disassemble the window frame to fix the issues. This is why many choose to work with an expert.
A specialist can assist in restoring windows made of sash back to their original glory or even bring them up to the latest energy standards. This can include reconditioning the frames and installing secondary glazing, which will stop heat escaping out of the window. It may also be beneficial to install a brush pile strip to stop the rattling and decrease drafts.
To begin a repair start by removing the window stops (the moldings in front of the lower sash). Then, loosen the staff and pull the lower window sash. Remove the chains and cords from both sides. Finally, disconnect the sash weights from the bottom of the cavity and remove them. Keep the hardware in a safe location. Soften any old, hardened putty or filler with a heat gun and scrape it off with 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 crucial for the homeowner to decide whether to replace or repair their sash windows. Modern replacements offer many advantages however, the original features in an older home can provide the character and value. They are also cheaper to repair instead of replacing. Maintaining them in good shape can also lower the energy cost. Sash windows are susceptible to rattles and drafts. This can result in higher energy bills and even damage to the frame and sash.
Sash windows are notoriously difficult to close and open and the standard sliding mechanism can become dislodged from its track or become draughty. It is best to leave the repair of window sash to a professional since it requires a lot of dismantling. With the right tools and skills it's possible to fix an the sash window that is old. Adam shows Jess how to begin:
The process of bringing the window apart begins with the removal of any security fittings that are in front of the lower sash. Next, remove the staff bead and remove the bottom sash. Then, take the cords or chains on both sides and knot them to prevent them being pulled back into the frame by the attached weights. It's time to remove the upper sash. Unscrew the sash stoppers (a thin vertical strip of wood that holds the sash) and then loosen any paint-encrusted hardware. Pull the sash to reveal the balancing weight, that is a massive iron cylinder or lead that is enclosed in a hidden cavity and anchored by a rope. To stop the sash from falling into the void, pierce it using a nail, and sacrifice the weight.
After the sashes are removed, clean the jambs and meet rails. Remove the glazing bars and the cords for 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 put back in place. Use nails that are not large enough to damage the balancing weight.
To reassemble the sash, place the top sash onto its track first, and then the lower sash. Make sure double glazing repairs Basingstoke are aligned properly with the frame, and reattach the parting beads if needed. Then, reconnect the sash cords or chains and re-install the sash pulley axles.