Sash Window Repair
Sash windows can be out of balance and crack. Pam is on the lookout on the internet for wavy glasses that are salvaged and keep an eye out for discarded metal sashweights. She then seeks replacements, like washers or nuts to balance her window.
Pam will set each pane by putting an edging rope into the rabbet groove, or pocket around the opening. This helps to reduce drafts and costly heat loss.
Sticking Sashes
It's a nightmare when double-hung windows get stuck. They'll rattle during a storm and you'll lose your view. On the other the other hand, windows that are too loose will let external air and noise in, and your energy bills can increase. This is neither ideal, but both could be fixed with the appropriate tools and perseverance.
A common issue with old windows that are weighted is that paint can accumulate in the channels they slide over, causing them jam. Fortunately, the majority of issues with this can be solved by cleaning and lubricating the tracks.
Remove the old caulking from the space between the window stop (the one on the inside) and the frame of the window. Then scrape away any paint that's built up. Make use of a sharp knife, and put sheets of plastic and an air-collecting vacuum cleaner beneath the surface to collect any paint dust or chips.
Then, wipe the tracks using a dry cloth, and apply a silicone lubricant to ensure more smooth gliding. This lubricant is sold at many home improvement stores or online. Then, move the sash upwards or down to test it.
If it continues to block, the sash cable may be faulty. Examine whether the cord is stuck or hanging from the sash, or if it's snapped. You'll need to re-cord your window if this is the situation.
A pin that keeps the rail in place could have lost its grip. It can be difficult to fix and you will need to call in a professional the majority often.
Use a wood hardener in the event that the wood is swollen and warped but there's no pin. It's a quick drying liquid that can aid in restoring damaged wood, so you'll be able repair your window sash without having to remove it completely. After you've used it, you can pry off the two sashes by placing a piece of wood in the bottom corner of the window where they meet.
Draughts
Draughts can be a problem with old sash window particularly in the winter. Most often, they are caused by decayed timbers cracks, cracked putty, deteriorated weights, or sash cords that are not balanced that allow cold air to seep into the window, making it difficult to keep your home warm. There are some ways to help prevent draughts in your sash windows, such as filling any gaps with foam that expands or draught excluder strips that you can purchase from most hardware stores. These can be efficient, but they will need to be replaced from time to time because the foam expands and gets worn away with time.

A more permanent option is Gapseal, a rubbery spongy seal that can be cut to size and push into the gaps between your sash window frame. It can be used on its own or with adhesive strips on the top and bottom of the frame. This option is quite costly and must be applied over the duration of your window's lifespan, but it is a long-term solution and is simple to remove in the event that you want to open the window.
Another popular DIY draught proofing solution is to use cling film that is scrunched up and pushed into all the gaps around your window. This is a great draught-stopper however, it could also hinder the movement of the sash and possibly cause fire. The sash has to be removed to open the window and the clingfilm needs to be to be reapplied each time the sash is closed.
As part of a comprehensive refurbishment it is possible to have your sash window professionally draught-proofed. This can include new sash cords and staff beads, parting beads, lubrication for the pulley wheels and rebalancing the weights, as well as painting or staining the frames and sashes. This can aid in restoring the sash's function and improve its energy efficiency, in addition to addressing any minor timber defects. It's much less disruptive than replacing windows completely and will dramatically reduce draughts and improve the thermal efficiency of your home.
Decay
The good news is that your sash window frames are not in need of repair if they've been damaged or decayed. The timber used in the frames of these windows is usually of a very high quality and, with the right restoration, can be restored to offer the best performance for many years. The key is regularly checking the frames and ensuring that the timber is well ventilated to prevent moisture build up, which can cause wood rot.
Most of the problems you'll encounter with sash windows will be easily visible on a close examination, however some are harder to spot. Wood decay is a challenge to treat, since fungus can eat the wood. It is possible to fix rotten sections of timber, however, the best method to prevent future rot is to make sure the timber is kept dry.
The first step is to clean any paint from the hardware. The bottom rail and meeting rail might need to be removed from the frame (depending on the position of your sash). The "pocket covers" are tiny pieces of wood placed on the frame's side that permit access to the weights should be removed. These are often fixed by nailing them in place and then securing them with paint, so you will likely need to use a knife to get them off. Once the pockets are removed, you can begin chiseling out any wood rot and apply a high-quality water-resistant filler. After the filler has dried it is recommended that a primer coat be applied to stop further decay.
It is recommended to inspect the sash's weights inside the window, too, to ensure that they are balanced and not swaying one side more than the other. The sash may slide off the track if they are not properly balanced. This could cause the frame to crack or even be damaged. The sash weights could be replaced with new ones or a new balancing mechanism can be installed that will stop the sashes from swinging to the opposite side of the window frame.
Poor Security
Sash windows are vulnerable to damage and wear due to weather conditions over time. As time passes, this could result in wood decay that in turn will need to be replaced - a costly repair that needs to be addressed as quickly as is possible. Wood decay can be spotted by water marks beneath the window or the frame turning soft to touch. It is crucial to speak with an expert to assess the situation and determine if repairs to the window sash are needed.
In time, the bottom rails may also be damaged. This is evident by the presence of water marks on the sill, or the window becoming soft. A professional consultation will be required to determine the situation and recommend any repair or replacement of sash window components.
Triple and double glazed Sash windows do a fantastic job of keeping noise pollution out of the home, so it can be a major cause of worry when they begin to let it in. If this occurs the structural integrity of the window could be in danger and the sash window will require replacement.
A typical problem with repairing sash windows is when the sash gets stuck in the frame. It could be due to an untidy cord or problems with sash rattles. If window repair is the case scenario, a little gentle persuasion can usually help the window to open again - or alternatively, the ratchets must be reset.
This issue can be solved by removing the sash and cleaning the tracks. After cleaning the tracks, take off any security fittings and carefully remove the chains or sash cords. The staff bead can be sealed with a draught-proof seal that will reduce the possibility of draughts. This can also improve the finish of paint. The gap between the box and the sash can be filled with decorators caulk to enhance the operation of the sash and lessen draughts.