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This Week's Best Stories About Window Repair Window Repair
Sash Window Repair

Sash windows can be extremely damaged from age and neglect. While cosmetic damage is likely to require a replacement but functional issues in a window, such as draughts and rattles indicate the window's repair is in order.

The first step is to steam the sash to loosen it. Remove the wood pegs with a hammer and pin punch. Make sure to identify and label all parts to ensure that they can be re-used correctly in the future.

Broken or Rotten Wood

If left unattended, rotting wood can cause damage to the brickwork around windows and also damage plaster. The good thing is that a lot of the time, this issue can be fixed without having to replace the entire window.

First, ensure that the wood is dry. It is important to examine the grain and color of the wood to determine if it is solid and not affected by damp. If the wood appears soft and brown, it means that it's likely that rot has already set in. It's also worth checking if the sash is being held in place by a series of spliced sections of timber and that these are sound and not impacted by damp.

Another issue that is frequently encountered is moisture trapped in the corners of frames of sash. If this is the case, it can cause sash to bind and become difficult to open. The solution to this is to clean the sash channels and eliminate any obstruction using a sharp wood chisel. When the sash channels are clear of any debris and dirt, they can be primed to stop any future issues with damp.

It's also worth looking at the wood that is used to create the window frame. It's best to use timber that has a similar grain and colour to the existing pieces of wood or else it will be difficult to join the joins together. It is also possible to think about applying a wood preservative which can help keep the wood in good shape and help prevent decay.

If your sash window timber is severely damaged and rotten it could be beneficial for you to replace it completely. If you choose to replace them you should select the replacement that has the same design that your windows are and to ensure that it's as appealing once it's installed in your home. Choosing UPVC over timber, for instance, could reduce the value of your home since potential buyers may think you're going against the old style.

Sash Hardware is faulty Sash Hardware

A sash window is made to glide effortlessly, but often wood rot, as well as other issues can hinder its performance. A window that isn't functioning properly can also lead to drafts in the home, and also an increase in energy efficiency. The longer a sash window remains unattended and unattended, the more wear and tear it is likely to experience. This can reduce its lifespan and cause water or moisture infiltration.

It can be difficult trying to figure out the cause of a sash-window problem. The good news is that in many instances, a replacement sash could be the solution. The issue could be due to rotting timber, a misalignment or imbalance of the sash, or broken glass replacing one or both windows may help to solve the problem.

Replacing a single window sash is less expensive than replacing the frame and the glass. It's also a much simpler project than installing new double-hung windows, which require a higher number of trims and components to be removed. If you want to replace a sash in your home, a good place to begin is by visually taking a look at the existing window and frame. You might notice gaps or misalignments that can cause the sash tilt and prevent it from remaining up.

In the majority of cases, it is possible to repair a double hung sash by cutting off the trim and working from the inside of the frame. You should first remove the sash stop inside the frame that creates a track within the window at the bottom. Spray a hose of water over the paint surface and lightly mist it. Then pry the stop away using the help of a utility knife. Then, make use of a razor blade remove any nail heads protruding from the side of the stop.

After removing the frame and sash, you can look for a weight access panel that's a knockout in the frame that's big enough to pass an sash weight through. If yours doesn't have one, you can make an additional hole by cutting out an elongated rectangle from the jamb liner of vinyl to the height of the stile.

Sash Weights That Aren't Working

As time passes the two weights that move the sash up and down may become disconnected. This can cause the sash to become jammed or get stuck in an open position. This is caused by damaged or worn-out sashcords that need to be replaced.

It is essential to lay down dust sheets everywhere possible during this repair project to prevent dirt or debris from getting onto your furniture or carpet. This is particularly crucial if you intend to lift and move the window while working to avoid damaging any part of your home.

Once the sash is untied Begin by carefully taking off the staff bead on each side of the window frame using a small, wide chisel. There is an elongated groove that runs along the sash's side and finishes with a hole for the new sashcord. Make sure to remove any old cord knots that are screwed or nailed into the hole.

Start by replacing the top sash cord. To do this you need to lower the sash slowly until it reaches the bottom sill. It can be supported by the wood on either side of the frame. Otherwise, it could fall to the floor, causing damage to the glass.

Then, take off the access panel to the frame and retrieve the sash cable and sashweight. Once you have the weight in hand take the dado off the edge of the wood, and insert a nail to hold it. Make sure you choose an appropriate length nail to reach the sash pocket otherwise it won't be able to fit.

Once you have placed the weight, you can replace the sash by feeding the cord into the hole. Then push the sash up onto the rails, and down into the window box. test how it opens and closes and add more lubrication to the rails if needed (we recommend candle wax for wood, or silicone spray for vinyl).

If you're replacing both cords, ensure that they're identical in length to the original ones were in order that when you remove one from its pin it will fall easily through the sash until it lands on the pulley and operate normally. When the sash is again hung, you can then reattach the stop beads, and your sash is complete!

Damaged Glass

A stray baseball or broom handle or an errant pebble thrown by a lawnmowers are usually enough to crack a window. Broken glass can allow water, snow, rain and insects into the home. In repair timber windows caused by shattered glass may require a complete window replacement. However, installing new windows can be a huge expense home improvement project. In the majority of cases, replacing broken windows can be an easier and less costly option.

Before you attempt to install new glass, it's important to ensure that you carefully examine the sash. This is a great way to discover any hidden areas in which the wood has begun to decay, or where the weather stripping, glue and hardware have deteriorated. This inspection will save you time and money in the future.

Once the glass is removed, it's a good idea to give the wood a thorough coating of a homemade wood preservative. To make it mix equal parts of mineral spirits and linseed oil. After mixing apply the mix on the surface of the sash using a putty knife, and allow it to dry completely. This will ensure that the glass and sash are water-resistant and durable over time.


If the sash in good condition, you can fix it without having to remove the glass. The first step is to take off the window stop. It's a vertical piece of wood that is located above the stiles of a window frame. The window stop is held in place by a small pry-bar over the putty blade, which is a sharp blade. After removing the stop, you can cut the rails and stiles using a woodworking hammer or soft-faced hammer. This will ensure that you don't damage the profile. The next step is to eliminate the muntins, which are the vertical and horizontal pieces of wood that divide the individual glass panes in a shash.

After the muntins are removed, it's easy to replace the glass that has been broken. Insert the metal tabs of each new pane into their slots in the sash, and then use glazing compound to secure them in place.

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