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Sash Window Repair

Sash windows can get out of balance and crack. Pam is on the lookout on the internet for wavy glasses that are salvaged and keeps an eye out for discarded sashweights made of metal. She then searches for replacements in the form of washers or nuts to ensure that her window is balanced.

Pam will set each pane by putting a rope of glazing material into the rabbet groove or pocket around the opening. This prevents drafts and costly heat loss.

Sticking Sashes

If your double-hung windows get stuck in the middle, it's an absolute nightmare. They'll rattle in the event of an icy storm and you'll lose your view. On the other hand, a window that's too loose can let outside air and noise through, and your energy bills can increase. This is neither ideal, but both could be addressed with the appropriate tools and determination.

Paint can accumulate on the channels of old weighted window tracks, causing them to jam. Fortunately, most issues related to this can be solved through cleaning and lubricating the tracks.

Take the caulking off of the space between the window stop (the one on the inside) and the frame of the window. Scrape off any paint that has accumulated. Make use of a sharp knife and place plastic sheets and a dust-collecting vacuum cleaner below the surface to collect any paint dust or chips.

Clean the tracks with a dry cloth and apply a silicone lubricant for better glide. It is available in most home improvement stores, or online. Then move the sash up or down to test it.

If it continues to jam it could be an issue with the sash cord. Check to see if the cord is caught or hung in the sash or snapped. If this is the situation, you'll need to reconnect the window.

A pin that holds the rail in place could have fallen out. This isn't easy to repair, and you'll have to call an expert in most instances.

If a pin isn't falling out but the wood has gotten swollen or warped it's recommended to apply a wood hardener to it. The liquid is quick drying and can help restore damaged wood. It's not necessary to take out your sash windows in order to repair them. After you've used it, you can pry apart the two sashes by placing a piece wood in the bottom corner of the window where they meet.

Draughts

Draughts can be a concern when you have an old sash window, especially during the winter. Often caused by rotten timbers cracks, cracked putty, deteriorated weights for sash or sash cords that aren't balanced which can allow cold air to get in around the window, making it difficult to keep your home warm. You can prevent draughts by filling gaps with expanding foam or using draught-excluding strips available at most hardware shops. They're effective however, you will need to replace them periodically as the foam expands with usage.

A alternative that is more durable is Gapseal, a rubbery spongy seal that you cut to the size you require and then insert into the gaps between the sash window frame. 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 reapplied throughout the course of your windows' life, but it can provide an option for the long term and is easy to remove if you want to open the window.

Another popular DIY draught proofing solution is to use cling wrap that is rolled up and put into every gap around your window. This is a good draught-stopper however it could also hinder the movement of the sash and cause a fire. Additionally the sash will have to be removed for you to re-open the door repair and the cling film needs to be reapplied each time you close the sash.

As part of a complete renovation it is possible to have your window draught-proofed. This could include the replacement of sash cords and Window Repairs parting beads, staff beads, lubrication of the pulley wheels and rebalancing of the weights, and staining or painting the frames and sashes. This can aid in restoring the function of the sash, and increase its energy efficiency, as well as fixing any minor wood imperfections. It's less disruptive than replacing the windows completely and will dramatically reduce drafts and enhance your home's thermal performance.

Decay

If your sash windows have suffered from damage or decay the good news is they aren't necessarily unfixable. The frames of these windows are usually constructed from high-quality timber. If you can restore them properly they can be rehabilitated to provide high performance for many more years. The key is regular inspections and ensuring that the timber is properly ventilated to avoid moisture build up, which can cause wood decay.

The majority of the issues you will encounter with sash windows are easily visible on a close inspection, but some are more difficult to detect. Wood decay is particularly difficult to fix, as the fungus consumes the wood. It is possible to fix damaged sections of timber however the best way to prevent future decay is to ensure the wood is kept dry.

First, take off 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). You'll then have to take off the "pocket covers" which are bits of wood on the side of the frame that are low down that give access to the weights (the parting beads run down the middle of them). These are often put in place by nails and then covered with paint, so you will likely require a knife to cut them off. After the pockets have been removed, you can begin to chisel out any wood that is rotting, and then apply a high-quality water-resistant wood 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 too to make sure they are balanced and not misaligned or pulling one side more than the other. The sash could fall off its track if they aren't properly balanced. This could cause the frame to crack or be damaged. The sash weights could be replaced with new ones or a new mechanism for balancing can be fitted to stop the sashes from swinging to the wrong side of the frame.

Poor Security

Sash windows are susceptible to wear and damage due to weather conditions over time. This can lead to the decay of the timber, which will require replacement. The signs of decaying wood can be seen by water marks beneath the window, or the frame becoming soft to the touch. It is essential to speak with an expert to assess the situation and determine if sash window repairs are necessary.

Over time, the bottom rails may also be damaged. The sill may show water marks or a window that is soft to the touch could indicate this. A professional consultation will also be required to assess the situation and recommend any needed resealing or replacement of sash window components.

It is a major concern when double and triple windows are glazed and start to allow noise pollution back into the house. If this happens the structural integrity of the windows' sash could be at risk and it will likely need to be replaced by a different option.

A typical sash repair issue is when the sash becomes stuck in the frame. It could be due to an untidy cord or problems with sash rattles. If it is the latter scenario, a little gentle persuasion can usually help the window open again - or alternatively, the ratchets need to be reset.

The sash should be removed from the frame and cleaning the tracks of dirt or dust will often assist in resolving this problem. After cleaning the tracks, take off any security fittings, and then remove the sash cords or chains. A draught seal could be put on the staff bead in order to reduce the appearance of the paint finish. Decorators caulk can be used to fill the gap between the sash's box and the sash. This will improve the sash's operation and also reduce the possibility of draughts.