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Sash Window Repair

Sash windows can be out of balance or even break. Pam searches the internet for salvaged, wavy glass and keeps an eye out for discarded, metal sash weights. She then seeks replacements, such as nuts or washers to help balance her window.

Pam will lay each pan by placing a rope of glazing material into the rabbet groove or pocket around the opening. This reduces drafts and prevent costly heat loss.

Sticking Sashes

If your double-hung window becomes stuck, it's a nightmare. You'll lose sight if they rattle in a storm. On the other the other hand, windows that are too loose will let external noise and air in and your energy bills can increase. Both of these scenarios are not optimal but they can be corrected by using the right tools and perseverance.

A common problem with old windows with weighted sash is that paint can build up in the channels that they slide on, making them jam. The majority of these issues can be resolved by cleaning and oiling the tracks.

Remove the old caulking from the space between the window stop (the one on the inside) and the frame of the window. Scrape off any paint that has been accumulating. Make sure you use a sharp blade, and set up plastic sheets and a vacuum cleaner right below to contain any paint dust and chips.

Clean the tracks with a dry, clean cloth and apply a silicone lubricant for better glide. You can find this at many home improvement stores or online. You can test it by moving the sash either upwards or downwards.

If it continues to jam it could be a problem with the sash cord. Check to see whether the cord is catching or hanging in the sash, or if it has snapped completely. You'll need to re-cord your window in the event of this.

Another possible cause of the jam could be that a pin that holds the rail in place has slipped out. This isn't easy to fix, and you'll need to consult an expert in the majority of instances.

You can use a wood softener if the wood is swollen and warped but there's no pin. This liquid will dry quickly and can restore damaged wood. It's not necessary to take out your sash windows to repair them. After you've used it, you can take the two sashes apart by placing a piece of wood on the lower corner of the window where they meet.

Draughts

Draughts can be a problem with old sash window, especially during the winter. They are often caused by rotten wood or cracked putty, worn weights for sash or sash cords that aren't balanced, they can let cold air seep into the window, making it difficult to keep your home warm. You can stop draughts by filling gaps with expanding foam, or using draught-excluding strips available at most hardware shops. They're effective however, you will require replacement periodically because the foam expands with usage.

Gapseal is a stronger solution. It's a spongy, rubbly seal that can be cut and push in the gaps between the window frames of the sash. It can be applied by itself or with adhesive strips placed on the top and bottom of the frame. This is a bit costly and will have to be applied over the course of your windows' lifetime but it does offer a long-term solution and is easy to take off when you wish to open the window.

Cling film can also be used to stop drafts. Simply scrunch it up and then push it into all the gaps that surround your window. This is a great way to stop draughts however, it could also block the sash's movement and cause a fire. Additionally, the sash will need to be removed for you to open the window again and the cling film has to be reapplied each time you close the sash.

An alternative that is less expensive is to have your window sash professionally draughtproofed as part of a comprehensive refurbishment service. This can include the installation of new sash strings staff beads and parting beads as well as the lubrication and rebalancing of the weights and the oiling and rebalancing of the pulley wheel. It may also include staining or painting of the frames and sashes. This will bring the sash back to its original purpose, improve its energy efficiency and fix any minor flaws in the wood. It is much less disruptive than replacing the windows altogether and will significantly reduce drafts and enhance the thermal efficiency of your home.

Decay

The good news is that frames for sash windows aren't beyond repair if they have been damaged or deteriorated. The frames of these windows are typically constructed of high-quality wood. With the right restoration, they can be restored to give you the best performance for a long time. The key is regularly checking the frames and ensuring that the wood is properly ventilated to avoid the accumulation of moisture, window repairs which can cause wood rot.

The majority of issues that you'll encounter with sash windows will be evident upon close examination, however some are harder to spot. In particular, wood decay is a difficult issue to address because fungus eats away at the wood. While it is possible to repair damaged timber however the best method to prevent further rot is by keeping the timber dry.

First, remove any paint from the hardware. It could be necessary to remove the bottom rail from the frame, and also the rail that joins it (this will depend on the position of the sash). The "pocket covers", which are small pieces of wood placed on the frame's sides that permit access to the weights, should be removed. They can be fixed by nailing them in place and then securing them with paint, so you will likely need to use a knife to cut them off. Once the pockets are removed you can begin to chisel out any wood rot and apply a good quality, water-resistant wood filler. After the filler is dry it is recommended that a primer coat be applied to prevent further decay.

It is a smart idea to check inside the window the sashweights to make sure they are balanced. They should not be in the wrong alignment, or pulling one side more strongly than the other. If they're not balanced, the sash is liable to slide off its track and cause damage to the frame. You can replace the sashweights by new ones or install an updated balancing system to prevent the sash from swinging in the wrong direction.

Poor Security

As time passes sash windows are exposed to the elements, and are prone to damage from 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 possible. The signs of decaying wood can be seen by water marks on the window or the frame turning soft to touch. It is crucial to speak with a professional to assess the situation, and determine if sash window repairs are necessary.

Similarly, over time the rails on the bottom can become damaged. This can be spotted by the presence of water marks on the sill or by the window becoming soft to touch. A professional consultation will also be required to evaluate the situation and recommend any necessary repair or replacement of the sash window's components.

It can be a real concern when triple or double glazed windows start to let noise pollution back into your home. If this happens, the structural integrity may be at stake and the sash window may have to be replaced.

A typical sash window repair problem is that the sash becomes stuck in the frame. This could be caused by an untidy cord or an issue with the sash's rattles. If the issue is with the sash ratchets, a little gentle persuasion is often the best solution.

Removing the sash from the frame and clearing the tracks of dirt or dust can aid in resolving this issue. After cleaning the tracks, take off any security fittings, and then remove the sash cords or chains. A draught seal can then be applied around the staff bead in order to reduce the appearance of the paint finish. Decorators caulk can be used to fill in the gap between the sash's sash box and the sash. This will enhance the operation of the sash and also reduce the risk of draughts.