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Sash Window Repair

Sash windows may become out of balance or break. Pam is on the lookout for salvaged, wavy glass and keep an eye out for discarded, metal sash weights. She then hunts for replacements in the form of washers or nuts to help balance her window.

Pam will bed each pan by putting an edging rope into the rabbet groove or pocket around the opening. This helps cut drafts and reduce the cost of heat loss.

Sashes that stick Sashes

It's a nightmare when double-hung windows become stuck. They'll shake in the event of a storm and you'll lose view. On the other hand, a window that's too loose will allow external noise and air in and your energy bills could increase. Both of these scenarios aren't ideal but they can be corrected by using the appropriate tools and perseverance.

Paint can get splattered on the channels of old weighted window tracks, which can cause them to jam. Most of these problems can be resolved by cleaning and oiling 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 been accumulating. Use a sharp knife and put sheets of plastic and a dust-collecting vacuum cleaner below the surface to collect any paint dust or chips.

Clean the tracks with a dry cloth and apply a silicone-based lubricant for better sliding. You can purchase this in most home improvement stores, or on the internet. You can test it by dragging the sash upwards or downwards.

If it is still jamming 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 has snapped off completely. You'll have to re-cord your window If this is the case.

Another possible cause of a jam is the pin that holds the rail in place has fallen out. This can be tricky to fix, and you'll need to consult a professional in most cases.

You can use a wood softener when the wood is swelling and swollen, but there's no pin. It's a fast drying liquid that can aid in restoring damaged wood, and you'll be able to repair your sash window without having to remove it completely. After you've used it, you can pry off the two sashes by placing a piece wood in the lower corner of the window repairs where they meet.

Draughts

Draughts can be a major issue for windows with sash windows that are old, especially in the winter months. Most often, they are caused by decayed timbers cracks, cracked putty, deteriorated weights for sash or sash cords that aren't balanced, they can let cold air seep in around the window, making it difficult to keep your home warm. There are several options you can take to help prevent draughts in your windows that are sash, like filling any gaps with expanding foam or using draught excluder strips that you can purchase from most hardware stores. These are effective, but they will need to replace them periodically as the foam expands over time with use.

A alternative that is more durable is Gapseal, which is a rubbery spongy seal that you cut to the desired size and then push into the gaps between your sash window frame. It can be used on its own or with adhesive strips on the bottom and top of the frame. This 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.

Cling film can also be used to block drafts. Simply scrunch it and push it into the gaps around your window. This is a reliable draught stopper, but the drawback is that it could block sash travel completely and pose risky for fire. The sash needs to be removed to reopen the window and the clingfilm will need to be reapplied each time the sash is closed.

A better option is to have your sash windows professionally draught proofed as part of a general refurbishment service. This could include new sash cords as well as parting beads, staff beads, lubrication of pulley wheels and rebalancing of the weights, as well as staining or painting the frames and sashes. This can restore the sash to its original function, improve its energy efficiency and fix any minor flaws in the wood. It's less disruptive than replacing windows completely and will dramatically reduce draughts and improve the thermal efficiency of your home.

Decay

If your windows are sash and have suffered decay or damage, the good news is they are not necessarily beyond repair. The frames of these windows are generally constructed of high-quality wood. If you can restore them properly they can be repaired to provide high performance for a long time. The key is to conduct regular inspections and ensuring that the wood is well ventilated to prevent moisture accumulation which can lead to wood decay.

The majority of the issues that you'll face with sash windows are readily apparent on close visual inspection, but certain issues are more difficult to identify. Particularly, wood decay is a difficult problem to fix because fungus can eat away at the wood. It is possible to repair wood that is rotten, but the best way to avoid further rot is to make sure the timber is kept dry.

The first step is to clean any paint from the hardware. It is possible to remove the bottom rail from the frame and the rail for meeting (this will depend on the position of the sash). The next step is to remove the "pocket covers" that are pieces of wood on the side of the frame low down that allow access to the weights (the parting beads run down the middle of them). You may need to use a sharp knife for removing them if they are fixed or painted. After the pockets have been removed, you can begin to chisel away any wood that is rotting, and then apply a high-quality water-resistant wood filler. Once the filler has dried the primer must be applied to protect against further decay.

It is a good idea to examine inside the window for weights of the sash to ensure that they are in balance. They should not be misaligned or pulled one side harder than the other. The sash may slide off the track if it is not balanced. This could cause the frame to break or even be damaged. The sash's weights can be replaced with new ones or a new mechanism for balancing can be installed to stop the sashes from swinging to the opposite side of the window frame.

Poor Security

Over time sash windows are exposed to the elements and prone to damage from weather and general wear. This can cause decay of timber, which will require replacement. Water marks on the window or a frame that is soft could be a sign of decaying wood. It is crucial to speak with an expert to assess the situation, and determine if any sash window repairs are necessary.

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

It is a major concern when double and triple glazed windows start to let noise pollution back into the home. If this happens the structural integrity could be at risk and the sash window may have to be replaced.

A common window repair issue for sash windows is when the sash gets stuck in the frame. It could be due to the cord snapping or an issue with the sash's ratchets. If the problem is with the sash ratchets, a little gentle pressure is usually enough.

Removing the sash from the frame and clearing the tracks of any dirt or dust will often aid in resolving this issue. Once the tracks are clean take off any security fittings that might be present. Lastly, carefully taking off 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. Decorators caulk can be used to fill in the gap between the sash's box and the sash. This will improve the efficiency of the sash and reduce the risk of draughts.