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Sash Window Repair

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

Pam puts each pane in with a rope of glazing compound she puts into the rabbet groove or pocket, that is around the opening. This prevents drafts and costly heat loss.

Sashes that stick Sashes

It's a nightmare when your double-hung windows become stuck. They'll rattle during an icy storm, and you'll lose your view. On the other hand, a window that's too loose will allow external air and noise through, and your energy bills can increase. This is neither ideal, but both could be solved with the right tools and a little perseverance.

Paint can get splattered on the channels of the old weighted sash window tracks, causing them to become jammed. Luckily, most issues with this can be resolved by cleaning and lubricating the tracks.

Remove the caulking that was used in the space between the window stop (the one on the inside) and the frame of the window. Scrape off any paint that has been accumulating. Make use of a sharp knife, and place plastic sheets and an air-collecting vacuum cleaner beneath the surface to catch any paint dust or chips.

Clean the tracks with a dry cloth and apply a silicone lubricant for better glide. This lubricant is sold at many home improvement stores or online. Then, you can move the sash up or down to test it.

If it is still jamming it could be due to an issue with the sash cord. Verify if the cord is catching or hanging in the sash, or if it has snapped completely. You'll need to re-cord your window If this is the case.

Another possible reason for an obstruction is that a pin that holds the rail in place has fallen out. It isn't easy to fix and you'll require the help of an expert most of the time.

Make use of a wood hardener when the wood is swelling and warped but there's no pin. This is a quick drying liquid that can help restore damaged wood, which means you'll be able to fix your window without needing to remove it completely. After using it, you can pry the two sashes apart by placing a piece wood in the bottom corner of the window where they meet.

Draughts

Draughts can be a concern with sash windows that are old particularly in the winter. Often caused by rotten timbers cracks, cracked putty, deteriorated weights for sash or sash cords that aren't balanced which can let cold air seep in around the window and make it difficult to keep your home warm. You can prevent drafts by filling in gaps with expanding foam or using draught-excluding strips available at most hardware shops. They're effective however, you will require replacing them regularly because the foam expands with usage.

A alternative that is more durable is Gapseal which is a spongy rubbbery seal that you can cut to the size you require and then put into the gaps between the window frames of your sash. It can be used alone or with adhesive strips at the top and bottom. This option is expensive and you will need to apply it several times throughout the life of your window. However, it is an effective long-term fix and easy to remove.

Another popular DIY method of draughtproofing is to use cling film scrunched up and pushed into all the gaps around your window. This is a great draught stopper but the downside is that it can stop sash movement completely and could pose risky for fire. The sash must be removed to open the window, and the clingfilm needs to be to be reapplied each time the sash is closed.

As part of a comprehensive renovation, you can have your sash window professionally draught-proofed. This may include the fitting of new sash strings staff beads and parting beads, the lubrication and rebalancing the weights and the lubrication and rebalancing the pulley wheel. It may also include staining or painting the frames and the sashes. This will help restore the function of the sash, and increase its energy efficiency, while also dealing with any minor timber defects. It is much less disruptive than replacing the windows completely and will dramatically reduce draughts and improve your home's thermal efficiency.

Decay

If your windows are sash and have suffered decay or damage, window Doctor the good news is they aren't necessarily unfixable. The frames of these windows are generally constructed from high-quality timber. With the right restoration, they can be restored to give you the best performance for a long time. The key is regularly checking the frames and ensuring that the timber is properly ventilated to stop moisture build up which can lead to wood decay.

The majority of issues you will encounter with sash windows will be easily visible on a close examination, however certain issues are more difficult to identify. Wood decay is a challenge to treat, since fungus can eat the wood. It is possible to repair rotten sections of timber, however the best way to stop further decay is to ensure the wood is kept dry.

First, remove any paint from the hardware. The bottom rail and the connecting rail might require removal from the frame (depending on the position of your sash). The "pocket covers", which are small pieces of wood that are placed on the frame's side, which permit access to the weights, should be removed. They can be nailed in place and stuck with paint, so you will likely require a knife to cut them loose. Once the pockets are removed, you can start chiseling out any wood rot and apply a high-quality water-resistant filler. Once the filler has dried the primer must be applied to prevent further decay.

It is recommended to inspect the sash weights inside the window too to make sure they are balanced and not pulling one side more than the other. If they are not balanced the sash is liable to slide off its track and break or damage the frame. The sash's weights can be replaced with new ones or a new mechanism for balancing could be fitted, which will stop the sashes from swinging to the opposite side of the window frame.

Poor Security

Sash windows are prone to wear and damage from weather and wear over time. Over time, this can lead to timber decay which is then required to be replaced, an expensive repair that has to be addressed as quickly as is possible. Water marks under the window doctor (Florianflower explained in a blog post) or a softened frame could be a sign of decaying wood. It is important to consult an expert to evaluate the situation, and determine if any repairs to the sash window are required.

Over time the rails on the bottom may also be damaged. This is evident by the presence of water marks on the sill, or the window becoming soft. A professional consultation will also be required to assess the situation and recommend any needed repair or replacement of the sash window's components.

Double and triple-glazed Sash windows do an incredible job at keeping noise out of your home, and it could be a major cause of worry if they begin to let it in. If this is happening, the structural integrity of the sash windows may be at risk and it is likely to need to be replaced by a different option.

A common sash window repair problem is that the sash becomes stuck in the frame. This can be caused by an untidy cord or a problem with sash rattles. If it is the latter, then a bit of gentle persuasion can usually help the window open again - or alternatively, the ratchets will need to be reset.

This issue can be solved by taking the sash off and cleaning the tracks. After the tracks have been cleaned remove any security fittings that could be present. Lastly, carefully taking off the sash cords and chains will allow the sash be removed. A draught seal could be put on the staff bead in order to reduce draughts and improve the appearance of the paint finish. The gap between the box and the sash can then be filled with decorators caulk to improve sash operation and reduce draughts.