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Sash Window Repair

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

It's a nightmare if your double-hung windows become stuck. They'll shake during an icy storm and you'll lose your view. On the other the other hand, windows that are too loose will let external air and noise through, and your energy bills can increase. Both scenarios are not ideal, but both could be solved with the appropriate tools and perseverance.

A common issue with old windows with weighted sash is that paint could accumulate in the channels that they slide on, causing them jam. Most of these problems can be solved by cleaning and oiling the tracks.

Begin by removing the caulking that was between the window stop (the interior one) and the window frame. Then scrape off any paint that's built up. Make sure you make use of a sharp blade and then set up plastic sheets and a vacuum cleaner directly below to keep any paint dust and chips.

Then, clean the tracks using a dry cloth, and apply a silicone lubricant for more smooth glide. This lubricant is sold at many home improvement stores or online. You can test it by moving the sash upwards or downwards.

If it still jams, there could be a problem with the sash cord. Check to see whether the cord is caught or hanging from the sash, or if it has snapped off completely. You'll have to re-cord your window if this is the situation.

A pin that keeps the rail in place could have fallen out. It can be difficult to fix and you will have to call an expert most often.

Make use of a wood hardener when the wood is swelling and warped but there's no pin. The liquid is quick drying and can repair damaged wood. You won't have to remove your sash windows to repair them. After using it, you'll be able remove the two sashes by placing a block of wood on the top of the corner where they meet and tapping it lightly with an tool.

Draughts

Draughts can be a concern with old sash window particularly in winter. They are often caused by rotten wood cracks, cracked putty, deteriorated weights, or sash cords that are not balanced, they can allow cold air to get into the window, making it difficult to keep your home warm. There are some options you can take to help prevent draughts in your sash windows, such as filling any gaps with expanding foam or using draught excluder strips that you can purchase from most hardware stores. They can be very effective, but they'll need to be replaced from time to time because the foam expands and wears away with wear and use.

Gapseal is a longer-lasting solution that is more permanent. It's a spongy, rubbly seal that you can cut and then push into the gaps between the sash window frames. It can be used on its own or with adhesive strips at the top and bottom. This option is expensive and you'll need to apply it several times over the life of your window. However, it's a long-term fix and is easy to remove.

Another popular DIY method of draughtproofing is to use cling film that is scrunched up and pushed into all the gaps around your window. This is a great way to stop draughts however it could also hinder the movement of the sash and cause a fire. The sash must be removed to reopen the window, and service the clingfilm needs to be to be reapplied each time the sash is closed.

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 installation of new sash strings, staff beads and parting beads as well as the lubrication and rebalancing of the weights and the oiling and rebalancing of the pulley wheel. It may also involve staining or painting of the frames and the sashes. This can aid in restoring the sash's function and improve its energy efficiency, while also dealing with any minor timber imperfections. It's much less disruptive than replacing windows entirely and can significantly reduce drafts and enhance your home's thermal efficiency.

Decay

If your sash windows have suffered from damage or decay the good news is they aren't necessarily damaged beyond repair. The timber used in the frames of these windows is usually of high-quality and, with proper restoration, they can be restored to offer the best performance for a long time. The key is regularly checking the frames and making sure that the wood is properly ventilated to stop the accumulation of moisture which can lead to wood rot.

The majority of the issues you will encounter with sash windows will be easily visible on a close examination, however certain issues are more difficult to identify. In particular, wood decay is a difficult issue to address because fungus eats away at the wood. It is possible to fix rotten sections of timber, however, the best method to avoid further rot is to make sure the wood is kept dry.

First, remove any paint from the hardware. The bottom rail and the meeting rail might 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 that are low down that provide access to the weights (the partsing beads run along the middle of them). You may need to use a sharp knife to take them if they are attached by nails or paint. After the pockets have been removed, you can start chiseling out any wood rot and apply an extremely high-quality, water-resistant filler. Once the wood filler has dried the primer coat must be applied to stop further decay.

It is a good idea to examine inside the window the weights of the sash to ensure that they are balanced. They shouldn't be in the wrong alignment or pulled one side harder than the other. If they're not balanced, the sash could slide off its track and could break or damage the frame. The sash weights can be replaced with new ones or a new balance mechanism could be fitted to stop the sashes from swinging towards the wrong side of the window frame.

Poor Security

Over time sash windows repair become exposed to the elements and prone to damage from weather and general wear. This can lead to the decay of timber, which requires replacement. Water marks on the window or a softened frame can indicate wood decay. A professional consultation will be needed to assess the situation and recommend any necessary repair work to the sash window.

As time passes, the bottom rails may also be damaged. This can be spotted by the presence of water marks on the sill or the window becoming soft to the touch. A professional will be needed to evaluate the situation and recommend any necessary resealing of sash windows components or replacement.

Double and triple glazed Sash windows do a fantastic job at keeping noise out of the home, and it could be a real cause for concern when they start to let it back in. If this happens the structural integrity of the window could be at stake and the sash window may have to be replaced.

One common problem with repairing sash windows is when the sash gets stuck in the frame. It could be due to a snapped cord or problems with sash ratchets. If the latter is the case the gentle pressure can help the window to be opened to reopen. Alternatively, the ratchets must be reset.

The sash should be removed from the frame and clearing the tracks of dirt or dust can help resolve this problem. After the tracks have been cleaned take off any security fittings that may be present, and then removal of the sash cords as well as chains will allow the sash to be removed. The staff bead can be sealed using a draught-proof seal to reduce the possibility of draughts. This can also improve the finish of the paint. The gap between the box and sash can be filled with decorators caulk to improve the operation of the sash and lessen the risk of draughts.