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Sash Window Repair

Sash windows can be out of balance and break. Pam searches the web for wavy glasses that are salvaged and keeps an eye out for discarded metal sashweights. She then seeks replacements in the form of nuts or washers to balance her window.

Pam covers each pan with a rope of glazing compound she works into the rabbet groove, also known as a pocket, that is around the opening. This prevents drafts and costly heat loss.

Sashes that stick Sashes

It's a nightmare when double-hung windows are stuck. They'll shake in the event of storms, and you'll lose your view. On the other the other hand, windows that are too loose will allow external noise and air in, and your energy bills may increase. Both of these scenarios are not ideal however they can be rectified by using the proper tools and persistence.

A common problem with old windows with weighted sash is that paint could get sucked into the channels that they slide on, causing them jam. The majority of these issues can be solved by cleaning and oiling the tracks.

Start by removing the old caulking that was between the window stop (the interior one) and the window frame. Then scrape off any paint that has accumulated. Be sure to use a sharp blade, and set up sheets of plastic and a vacuum cleaner directly below to keep any paint dust and chips.

Clean the tracks with a dry cloth, and then apply a silicone-based lubricant to make them more gliding. This lubricant is available at most home improvement shops or on the internet. Then, move the sash upwards or down to test it.

If it continues to jam it could be a problem with the sash cord. Verify whether the cord is stuck or hanging in the sash or snapped. If this is the case, you'll have to replace the window's cord.

Another possible reason for a jam is that a pin that holds the rail in place has slipped out. This can be tricky to repair, and you'll have to contact an expert in the majority of cases.

Make use of a wood hardener when the wood is swelling and warped but there's no pin. This liquid will dry quickly and can restore damaged wood. It's not necessary to take out the windows on your sash to repair them. After using it, you can pull the two sashes apart by placing a piece of wood on the bottom corner of the window where they meet.

Draughts

Draughts can cause problems with old sash window particularly in winter. They are usually caused by decaying wood, cracked putty, or worn sash cords. This causes cold air to get inside the window, making it difficult to warm your home. You can reduce the risk of draughts by filling gaps with expanding foam, or by using draught-proof strips that are that are available in most hardware stores. These can be effective, although they will need to be replaced periodically as the foam expands and gets worn away with time.

Gapseal is a more permanent solution that is more permanent. It's a spongy rubbbery seal you can cut and push into the gaps between the window frames of the sash. It can be applied on its own or with adhesive strips on the bottom and top of the frame. This option is expensive and you'll need to reapply it throughout the life of your window. But, it's a long-term fix and is easy to remove.

Another popular DIY draught proofing solution is to use cling film scrunched 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 possibly cause fire. The sash has to be removed to open the window repairs, and the clingfilm will need to be applied every time the sash is closed.

An alternative that is less expensive is to have your window sash professionally draughtproofed as part of a general refurbishment service. This could include the replacement of sash cords, staff beads, parting beads, lubrication of pulley wheels and rebalancing of the weights, in addition to staining or painting the frames and sashes. This will help restore the sash's function and improve its energy efficiency, while also fixing any minor wood imperfections. It's less disruptive than replacing the windows entirely and can significantly reduce draughts and improve 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 timber used to construct the frames of these windows is typically of high-quality and with proper restoration they can be revived to provide the best performance for many years. The key is to conduct regular inspections and ensuring that the wood is properly ventilated to stop moisture accumulation, which can cause wood to rot.

The majority of issues that arise from sash windows are readily visible, but others are more difficult to identify. In particular, wood decay is a very difficult problem to treat because fungus consumes the wood. It is possible to repair wood that is rotten, but the best way to stop further decay is to ensure the wood is kept dry.

The first thing to do is to strip any paint off the hardware. The bottom rail and meeting rail may need to be removed from the frame (depending on the location of your sash). You will then need to remove the "pocket covers" which are bits of wood in the side of the frame lower down that give access to the weights (the parting beads run down the middle of them). These are often nailed in place and stuck with paint, so you will probably need to use a knife to get them loose. Once the pockets have been removed, you can start slicing out any wood decay and apply a high-quality water-resistant filler. After the filler has dried it is recommended that a primer coat be applied to stop further decay.

It is a smart idea to check inside the window for weights of the sash to ensure that they are balanced. They should not be in the wrong alignment or pulled one side more strongly than the other. If they're not balanced, the sash is liable to fall off its track and could cause damage to the frame. The sash's weights can be replaced with new ones or a new balance mechanism could be fitted that will stop the sashes from swinging towards the wrong side of the frame.

Poor Security

Sash windows are prone to wear and damage from the weather over time. In time, this may result in wood decay that is then required to be replaced - an expensive repair that has to be addressed as soon as possible. Water marks on the window or a softened frame can indicate wood decay. A professional consultation will be required to evaluate the situation and recommend any necessary sash window repair work.

Similarly, over time the rails at the bottom may become damaged. Water marks on the sill, or a window that is soft to the touch may indicate this. A professional consultation will be required to determine the situation and recommend any necessary resealing or replacement of window sash components.

Double and triple glazed Sash windows do a fantastic job at keeping noise pollution out of the home, but it can be a real cause for worry when they begin to let it back in. If this happens the structural integrity of the windows could be in danger and will most likely require to be replaced with an alternative option.

One common window repair issue for sash windows is the sash becoming stuck in the frame. This could be caused by the cord snapping or problems with sash ratchets. If the problem is related to the sash rats, a bit of gentle persuasion will usually work.

This issue can be solved by taking the sash off and cleaning the tracks. Once the tracks are clean remove any security fittings that might be present, and then removing the sash cords and chains will allow the sash be removed. The staff bead can be sealed with a draught-proof seal to reduce draughts. This can also improve the finish of the paint. The gap between the box and the sash can then be filled with decorators caulk to enhance sash operation and reduce the risk of draughts.