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Sash Window Repair

Sash windows can go out of balance and break. Pam scours the web for salvaged waving glass, wavy and is always looking for the sash weights that are discarded, made of metal. She then seeks replacements in the form of nuts or washers to ensure that her window is balanced.

Pam beds each pane with a rope of glazing compound she uses to create the rabbet groove or pocket, which is located around the opening. This reduces drafts and costly heat loss.

Sashes that stick Sashes

It's a nightmare if your double-hung windows are stuck. You'll lose sight in the event that they shake in a storm. A window that is too loose can let air and noise in which could increase your energy costs. Both of these scenarios aren't ideal however they can be rectified by using the proper tools and perseverance.

A common issue with old weighted sash windows is that paint can get sucked into the channels that they slide on, causing them jam. Fortunately, the majority of issues with this can be solved by cleaning and lubricating the tracks.

Begin by removing the old caulking between the window stop (the interior one) and the window frame. Then scrape off any paint that has accumulated. Make sure to employ a sharp blade and set up plastic sheets and a vacuum cleaner directly below to catch any paint dust and chips.

Then, wipe the tracks with a dry cloth and apply a silicone lubricant to ensure more smooth gliding. It is available in the majority of home improvement stores or online. Then, move the sash upwards or down to test it.

If it still jams, there could be an issue with the sash cord. Verify if the cord is caught or hanging from the sash, or if it has snapped off completely. If this is the case, you'll have to re-cord the window.

A pin that holds the rail in place might have fallen out. This isn't easy to fix, and you'll need to contact an expert in most cases.

If a pin doesn't fall out but the wood has gotten swollen or warped it's a good idea use a wood hardener on it. The liquid is quick drying and can restore damaged wood. You won't have to take out your sash windows in order to repair them. After using it, you can take off the two sashes by placing a piece wood in the lower corner of the window where they meet.

Draughts

Draughts can be a major issue for old sash windows particularly in winter months. Often caused by rotten timbers or cracked putty, worn sash cords or unbalanced weights, they can let cold air seep into the window and make it difficult to keep your home warm. You can prevent drafts by filling in gaps with expanding foam, or by using draught-proof strips that are available at most hardware shops. These are effective however you'll require replacing them regularly as the foam expands with usage.

A more permanent option is Gapseal which is a sponge-like seal that can be cut to size and insert into the gaps between the sash window frame. It can be used on its own or in conjunction with adhesive strips at the top and bottom. This option is quite costly and must be reapplied throughout the time of your windows' life, but it can provide an option for the long term and is easy to take off when you wish to open the window.

Another popular DIY method of draughtproofing is to use cling film that is scrunched up and put into every gap around your window doctor. This is an effective draught stopper but the downside is that it could stop sash movement completely and pose a fire hazard. Additionally the sash will have to be removed for you to re-open the window and the cling film needs to be applied each time you close the sash.

As part of a comprehensive renovation you can have your window draught-proofed professionally. This can include the installation of new sash string, staff beads and parting beads, the lubrication and rebalancing the weights, as well as the oiling and rebalancing of the pulley wheel. It may also include painting or staining of the frames and the sashes. This could restore the sash to its original function, improve its energy efficiency and fix any minor imperfections in the timber. It is less disruptive than taking out the windows and window Doctor can help reduce drafts, enhance the thermal efficiency and dramatically reduce costs.

Decay

If your windows with sash have suffered decay or damage, the good news is that they are not necessarily beyond repair. The frames of these windows are typically constructed of high-quality wood. With the proper restoration, they can be restored to give you the best performance for many years to come. Regular inspections are key in ensuring that the wood is adequately ventilated. This will help prevent the accumulation of moisture that can cause wood rot.

The majority of problems with sash window are easily evident, but some are more difficult to identify. Particularly, decay of wood is a difficult issue to treat because fungus can eat away at the wood. It is possible to fix rotten sections of timber, but the best way to stop further rot is to make sure the wood is kept dry.

First, take off any paint from the hardware. The bottom rail and meeting rail could need to be removed from the frame (depending on the position of your sash). You will then need to take off the "pocket covers" that are pieces of wood that are located on the sides of the frame low down that give access to the weights (the parting beads run through the middle of them). You may need to use a sharp knife to take them if they are painted or nailed into place. After the pockets have been removed, you can start chiseling out any wood rot and apply an excellent, water-resistant filler. After the filler has dried, a coat of primer should be applied to prevent further decay.

It is recommended to inspect the sash weights within the window as well, to ensure that they are balanced and not misaligned or pulling one side more than the other. The sash can be thrown off its track if they aren't balanced. This could cause the frame to break or become damaged. You can replace the sashweights using new ones or install a new balancing system to stop the sash from swinging the wrong direction.

Poor Security

Over time, sash windows can become exposed to the elements and susceptible to deterioration due to weather and general wear. In time, this may result in wood decay that is then required to be replaced, costly repair that needs to be dealt with as soon as is possible. Wood decay can be detected by water marks beneath the window or the frame becoming soft to touch. It is important to consult an expert to assess the situation and determine if any upvc repairs to the window sash are needed.

Similarly, over time the rails at the bottom may become damaged. This can be spotted by the presence of water marks on the sill, or the window becoming soft. A professional is required to assess the situation, and recommend any necessary resealing of sash windows components or replacement.

It can be very concerning when triple or double glazed windows start to let noise pollution back into the home. If this happens, the structural integrity may be at risk 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 an issue with the sash's ratchets. If the problem is with the sash's the ratchets, some gentle persuasion is often the best solution.

This issue can be fixed by taking off the sash and cleaning the tracks. After the tracks have been cleaned remove any security fittings that may be present and then carefully removing the sash cords and chains will allow the sash to be removed. A draught seal could be placed around the staff bead to decrease draughts and enhance the appearance of the paint finish. The gap between the box and Window Doctor sash can be filled with decorators caulk to improve the operation of the sash and lessen draughts.