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Sash Window Repair

Sash windows can go out of balance and break. Pam searches the internet for salvaged, wavy glass and keep an eye out for discarded, metal sash weights. She then hunts for replacements in the form of washers or nuts to help balance her window.

Pam puts each pane in with a rope of glazing compound she puts into the rabbet groove, or pocket, which is located around the opening. This prevents drafts and costly heat loss.

Sticking Sashes

It's a nightmare when double-hung windows get stuck. They'll rattle in the event of 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. Both scenarios are not optimal, but they can be rectified by using the appropriate tools and persistence.

Paint can get splattered on the channels of old weighted sash window tracks, which can cause them to block. The majority of these issues can be resolved by cleaning and oiling the tracks.

Start by removing the old caulking between the window stop (the one inside) and the window frame. Then scrape away any accumulated paint. Make sure you make use of a sharp blade and set up plastic sheets and a vacuum cleaner right below to keep any paint dust and Window Repair chips.

Then, wipe the tracks using a dry cloth, and apply a silicone-based lubricant for more smooth sliding. The lubricant can be found at many home improvement stores or online. Then, you can move the sash up or down to test it.

If it continues to jam it could be due to a problem with the sash cord. Examine whether the cord is stuck or hung in the sash, or if it's snapped. If this is the situation, you'll need to re-cord the window.

A pin that holds the rail in place might have fallen out. This isn't easy to repair, and you'll have to contact an expert in the majority of instances.

Use a wood hardener if the wood is swollen and warped, but there's not a pin. This is a quick drying liquid that can help restore damaged wood, Window Repair so you'll be able repair your window sash without having to take it off completely. After you've used it, you can pry off the two sashes by placing a piece wood in the lower corner of the window where they meet.

Draughts

Draughts can be a concern when you have an old sash window, especially during the winter. They are often caused by rotten wood or cracked putty, worn weights, or sash cords that are not balanced which can let cold air seep into the window, making it difficult to keep your home warm. You can stop drafts by filling in gaps with expanding foam or by using draught-proof strips that are found in many hardware stores. These are efficient, but they will need to be replaced from time to time because the foam expands and wears away with use.

A more permanent option is Gapseal, which is a rubbery spongy seal that you can cut to the desired size and then push into the gaps between the window frames of your sash. It can be used alone or with adhesive strips at the top and bottom. This is costly and you will need to apply it several times over the course of the life of your window. But, it's an effective long-term fix and easy to remove.

Cling film can also be used to stop draughts. Simply roll it up and then push it into all the gaps around your window. This is a good draught-stopper however it could also hinder the movement of the sash and possibly cause fire. The sash needs to be removed to open the window and the clingfilm will need to be applied every time the sash is closed.

As part of a general refurbishment it is possible to have your window draught-proofed. This may include the fitting of new sash strings staff beads and parting beads as well as the lubrication and rebalancing of the weights and the lubrication and rebalancing the pulley wheel. It could also involve staining or painting of the frames and the sashes. This will bring the sash back to its original function, improve its energy efficiency and correct any minor imperfections in the timber. It's less disruptive than replacing windows completely and will dramatically reduce drafts and enhance the thermal efficiency of your home.

Decay

If your sash windows have suffered from damage or decay the good news is that they aren't necessarily damaged beyond door repair. The frames of these windows are usually made of high-quality timber. With the right restoration they can be rehabilitated to ensure high performance for a long time. Regular inspections are essential in ensuring that the wood is properly ventilated. This will help prevent moisture build-up that can lead to wood rot.

The majority of the issues you'll face with sash windows are easily visible on a close examination, however some are harder to spot. Wood decay is difficult to fix, as fungus can eat the wood. It is possible to fix rotten sections of timber, however the best way to prevent future decay is to ensure that the timber is dry.

First, remove any paint from the hardware. It is possible to remove the bottom rail from the frame, and also the rail that joins it (this will depend on the location of the sash). You'll then have to take off the "pocket covers" which are bits of wood that are located on the sides of the frame lower down that allow access to the weights (the parting beads run through the middle of them). They can be fixed by nailing them in place and then securing them with paint, so you will probably need to use a knife to get them off. Once the pockets have been removed, you can start cutting out any wood rot and apply an excellent, water-resistant filler. Once the filler is dry, a coat of primer should be applied to guard against further decay.

It is recommended to inspect the sash weights inside the window as well, to ensure that they are properly balanced and not misaligned or pulling one side more than the other. If they are not balanced the sash is liable to fall off its track and break or damage the frame. The sash weights could be replaced with new ones or a new balance mechanism can be fitted, which will stop the sashes from swinging towards the wrong side of the window frame.

Poor Security

As time passes sash windows become exposed to the elements and susceptible to damage from weather and general wear. This can lead to the decay of timber, and will require replacement. The signs of decaying wood can be seen by water marks on the window or the frame becoming soft to the touch. It is important to consult a professional to assess the situation and determine if repairs to the window sash are needed.

In the same way, over time, the rails on the bottom can become damaged. Sills that have water marks or a window which is soft to the touch may be a sign of this. A professional will be needed to examine the situation and recommend any necessary repair of sash windows or replacement.

It is a major concern when triple or double glazed windows start to let noise pollution back into the home. If this occurs, the structural integrity may be at stake and the sash window may require replacement.

One common sash window repair problem is the sash becoming stuck in the frame. This could be caused by a snapped cord or an issue with the sash's rattles. If it's the latter the gentle persuasion can usually help the window to be opened and then the ratchets will need to be reset.

Removing the sash from the frame and cleaning the tracks of dirt or dust can assist in resolving this issue. Once the tracks are clean, removing any security fittings that may be present, and then removing the sash cords and chains will allow the sash to be removed. A draught seal can then be put on the staff bead to reduce the appearance of the paint finish. The gap between the box and sash could be filled with decorators caulk in order to improve the operation of the sash and lessen the risk of draughts.