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Sash Window Repair

Sash windows can be out of balance and even break. Pam scours the web for salvaged waving glass, wavy and keep an eye out for discarded, metal sash weights. She then searches for replacements, like nuts or washers to balance her window.

Pam will lay each pan by placing an edging rope into the rabbet groove, or pocket around the opening. This helps to reduce drafts and costly heat loss.

Sticking Sashes

It's a nightmare if your double-hung windows get stuck. They'll be difficult to see in the event that they shake in a storm. On the other side, a window that's too loose will let external air and noise in and your energy bills may increase. This is neither optimal, but both can be solved with the proper tools and determination.

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

Start by removing the old caulking between the window stop (the interior one) and the window frame. Scrape off any paint that has been accumulating. Use a sharp knife and place sheets of plastic and dust-collecting vacuum cleaners below the surface to catch any paint dust or chips.

You can then clean the tracks with a dry cloth, and then apply a silicone-based lubricant to aid in their smoother movement. It is available at many home improvement stores or on the internet. Then move the sash up or down to test it.

If it continues to jam it could be a problem with the sash cord. Examine the sash cord to determine if the cord is caught or hanging from the sash, or if it has snapped completely. If this is the case, you'll have to re-cord the window.

Another possible cause of an obstruction is the pin that holds the meeting rail in place has fallen out. This can be tricky to fix, and you'll need to call a professional in most instances.

If a pin hasn't fallen out, but the wood has become warped or swollen, it's a good idea use a wood softener on it. It's a fast drying liquid that can help restore damaged wood, and you'll be able to fix your window without having to remove it completely. After using it, you should be able to break the two sashes by placing a piece of wood on top of the bottom corner where they meet, and tapping it lightly using the tool.

Draughts

Draughts can be a problem when you have an old sash window particularly in the winter. They are often caused by rotten wood cracks, cracked putty, deteriorated weights for sash or sash cords that aren't balanced which can allow cold air to seep into the window and make it difficult to keep your home warm. There are some ways to stop draughts from coming through your sash windows, such as filling any gaps with expanding foam or strips to block draughts that you can buy at most hardware stores. They are efficient however, you will require replacement periodically as the foam expands with usage.

Gapseal is a more permanent solution. It's a spongy rubbly seal that can be cut and push in the gaps between the upvc window repair frames of the sash. It can be used alone or in conjunction with adhesive strips at the top and bottom. This is costly and you will need to apply it several times over the life of your window. But, it's an effective long-term fix and easy to remove.

Cling film can also be used to block draughts. Simply scrunch it up and then push it into all the gaps that surround your window. This is an effective draught stopper but the downside is that it can block sash travel completely and pose risky for fire. Additionally the sash needs to be removed to open the window again and the cling film needs to be applied each time you close the sash.

A more cost-effective solution is to have your sash windows professionally draught proofed as part of a comprehensive refurbishment service. This could include the replacement of sash cords as well as parting beads, staff beads, lubrication of the pulley wheels, and rebalancing the weights, in addition to staining or painting the frames and sashes. This will help restore the function of the sash, and increase its energy efficiency, in addition to addressing any minor timber imperfections. It's much less disruptive than replacing the windows entirely and can significantly reduce draughts and improve your home's thermal performance.

Decay

The good news is that sash window frames are not beyond repair if they have been damaged or decayed. The frames of these windows are typically made of high-quality timber. With the right restoration they can be rehabilitated to ensure high performance for a long time. Regular inspections are crucial, as is ensuring the wood is adequately ventilated. This will help prevent the build-up of moisture that could cause wood rot.

Most of the problems you'll face with sash windows are easily visible on a close inspection, but some are more difficult to detect. In particular, wood decay is a very difficult problem to fix because fungus can eat away at the wood. Although it is possible to repair damaged timber, the best way to avoid further rot is by keeping the timber dry.

The first step is to strip any paint off 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). The next step is to take off the "pocket covers" which are bits of wood in the side of the frame low down that give access to the weights (the partsing beads run along the middle of them). You may need to use a sharp knife to remove the pockets if they're fixed or painted. Once the pockets are removed, you can start slicing out any wood decay and apply an extremely high-quality, water-resistant filler. After the filler is dry, a primer coat should be applied to prevent further decay.

It is a good idea to check the sash's weights inside the window, too to make sure they are in balance and not misaligned or pulling one side more than the other. The sash can be thrown off its track if they aren't balanced. This could cause the frame to crack or become damaged. You can replace the sashweights with new ones or install an entirely new balance system to stop the sash from moving the wrong direction.

Poor Security

Over time, sash windows can become exposed to the elements and susceptible to deterioration from weather and general wear. As time passes, Window repairs this could result in wood decay that requires to be replaced, a costly repair that needs to be addressed as soon as is possible. Wood decay can be detected by water marks on the window, or the frame becoming soft to touch. It is essential to speak with an expert to assess the situation, and determine if sash window repairs are necessary.

In the same way, over time, the rails at the bottom may become damaged. This can be spotted by the presence of water marks on the sill, or the window becoming soft. A professional consultation will also be required to determine the situation and recommend any necessary resealing or replacement of window sash components.

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

A typical sash repair issue is when the sash becomes stuck in the frame. It could be caused by a snapped sash cord or it could be an indication of an issue with the sash ratchets. If the latter is the case scenario, a little gentle pressure can help the window to open to reopen. Alternatively, the ratchets need to be reset.

This problem can be resolved by taking the sash off and cleaning the tracks. Once the tracks are clean, removing any security fittings that could be present, and then removing the sash cords and chains will allow the sash to be removed. A draught seal could be placed around the staff bead to reduce the appearance of the paint finish. The gap between the box and sash can be filled with decorators caulk to enhance sash operation and reduce the risk of draughts.