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Sash Window Repair

Sash windows can be out of balance and crack. Pam searches the internet for salvaged, wavy glass and keeps an eye out for discarded, metal sash weights. She then searches for replacements, like washers or nuts to ensure that her window is balanced.

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

Sticking Sashes

If your double-hung windows get stuck, it's an absolute nightmare. They'll sway during a storm, and you'll lose your view. On the other the other hand, windows that are too loose will allow external air and noise in, and your energy bills could increase. Both scenarios are not ideal, but both could be fixed with the appropriate tools and determination.

A common issue with old windows with weighted sash is that paint may build up in the channels they slide over, causing them blockage. Luckily, most issues with this can be solved through 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. Scrape off any paint that has built up. Be sure to employ a sharp blade and set up plastic sheets and a vacuum cleaner right below to catch any paint dust and chips.

Clean the tracks with a dry cloth and apply a silicone lubricant for better gliding. This lubricant is available at most home improvement shops or online. Then move the sash up or down to test it.

If it continues to jam the sash cable could be faulty. Check to see whether the cord is caught or hanging from the sash, or has snapped completely. You'll have to re-cord your window in the event of this.

Another possible reason for an obstruction is the pin that holds the meeting rail in place has slipped out. It can be difficult to repair, and you'll have to call a professional in most instances.

If a pin hasn't fallen out, but the wood has become warped or swollen, it's recommended to use a wood softener on it. This liquid will dry quickly and can help restore damaged wood. You won't have to remove your sash windows in order to repair them. After you've used it you'll be able to break the two sashes by placing a block of wood on top of the bottom corner where they meet and tapping it lightly using a hammer.

Draughts

Draughts are a significant issue for windows with sash windows that are old particularly in winter months. They can be caused by decaying wood, broken putty or worn cords for sash. This allows cold air to get inside the window, making it more difficult to heat your home. You can stop drafts by filling in gaps with expanding foam or by using draught-proof strips that are that are available in most hardware stores. These are effective however you'll require replacing them regularly as the foam expands over time with usage.

A alternative that is more durable is Gapseal, which is a rubbery spongy seal that you can cut to the size you require and then put into the gaps between the sash window frame. It can be used on its own or in conjunction with adhesive strips on the bottom and top of the frame. This option is costly and you will need to apply it several times over the life of your window. But, it's an affordable fix that is simple to remove.

Another popular DIY method of draughtproofing is to use cling film that is scrunched up and placed into the gaps around your window. This is a great draught-stopper however, it could also block the sash's movement and even cause a fire. The sash needs to be removed to open the window, and the clingfilm needs to be to be applied every time the sash is closed.

A more cost-effective solution is to have your window sash professionally draughtproofed as part of a complete refurbishment service. This could include new sash cords as well as parting beads, staff beads, lubrication of the pulley wheels, and rebalancing the weights, and painting or staining the frames and sashes. This can help to restore the function of the sash and increase its energy efficiency, while also addressing any minor timber defects. It is less disruptive than removing the windows and will reduce drafts, enhance thermal performance and significantly reduce the cost.

Decay

If your sash windows have suffered from decay or damage, the good news is they aren't necessarily damaged beyond repair. The frames of these windows are usually constructed from high-quality timber. If you can restore them properly they can be repaired to ensure high performance for many more years. Regular inspections are crucial in ensuring that the wood is properly ventilated. This will prevent moisture build-up that can cause wood rot.

Most of the problems you'll encounter with sash windows are readily apparent on close visual examination, however certain issues are more difficult to identify. Particularly, decay of wood is a difficult issue to address because fungus consumes the wood. While it is possible repair wood that is rotten but the best way to prevent further rot is by keeping the wood dry.

The first step is to remove any paint from the hardware. The bottom rail and the meeting rail may need to be removed from the frame (depending on the position of your sash). The "pocket covers" are tiny pieces of wood on the frame's side that permit access to the weights, should be removed. These are often nailed in place and stuck with paint, so you will probably need to use an instrument to break them loose. Once the pockets are removed, you can start cutting out any wood rot and apply a high-quality water-resistant filler. After the wood filler has dried it is recommended that a primer coat be applied to prevent further decay.

It is a good idea to check the sash weights inside the window as well, to ensure that they are balanced and not pulling one side more than the other. The sash may 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 could be fitted, which will stop the sashes from bouncing to the opposite side of the window frame.

Poor Security

As time passes sash windows become exposed to the elements and prone to deterioration from weather and general wear. This can lead to decay of the timber, which will require replacement. Wood decay can be spotted by water marks on the window or by the frame becoming soft to touch. A professional consultation is required to evaluate the situation and recommend any needed repairs to the sash window.

As time passes the rails on the bottom may also be damaged. The sill may show water marks, or a window that is soft to the touch can indicate this. A professional is required to examine the situation and recommend any resealing of sash windows components or replacement.

Double and triple glazed sash windows do an amazing job at keeping noise pollution from entering your home, so it can be a real cause for concern when they start to let it back in. If this occurs the structural integrity could be in danger and the sash windows will need to be replaced.

A common sash window repair problem is the sash becoming stuck in the frame. This could be caused by a snapped cord or a problem with sash rattles. If it is the latter the gentle persuasion is usually enough to get the window open and then the ratchets need to be reset.

The sash should be removed from the frame and cleaning the tracks of dust or dirt can often aid in resolving this issue. Once the tracks are clean, removing any security fittings that might be present and then carefully removing the sash cords and chains will allow the sash be removed. The staff bead can be sealed using a draught-proof seal to reduce draughts. This will also improve the finish of the paint. The gap between the box and the sash could be filled with decorators caulk to improve sash operation and reduce draughts.