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Ten Things Everybody Is Uncertain About The Word "Window Sash Repairs"
Window Sash Repairs

Window sashes need to be checked regularly for mold, mildew and damage. By catching problems before they become serious you can save money on repairs in the future.

The sash is an internal frame that is able to move vertically up and down in windows that are open. This article will teach you how to perform several simple sash repair.

Weather Stripping

Wood window sashes provide an elegant look to your home. When properly maintained, they will last for a long time. However, they can be damaged or degraded as time passes due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original state and maintain their appearance much longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. If it's worn or loose, out, it can lead to drafts and other issues. To fix it, begin by determining your window's brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off and mark its width and height so you can purchase new weather stripping that is compatible with the original.

Then, remove the sash from its holder and place it on a flat surface to allow you to see all four sides. If your sash was double-hung, take out the ropes and weights that should have fallen into the pocket within the jamb lining. Once you've removed the sash and the weights, use a utility knife to remove the weather stripping that was formerly in place at the corners, and then remove it by hand or using a putty knife.

Once the sash has been cleaned, you can replace the parting stops. These are long pieces that divide the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. However, you could substitute with a scrap piece of wood.

After removing the parting stops and trimming them to your desired length and thickness, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound using your putty tool, and let it dry for at least a day. When the putty is fully cured it is possible to apply an acrylic latex topcoat. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes prone to wearing out from the wear and tear of use and the result could be a window or door that can't be opened or closed easily. It's important to know that replacing or repairing this hardware is often straightforward and cost-effective. If you are having trouble opening the sash, spray some grease into the jamb channel. Then slide the sash up and open to see if this resolves the issue. If not, the issue is most likely due to the sash balance, and you'll have to take off the sash to access this hardware.

Window sashes need to open and close without much effort. However, this can be a challenge if the weights have been worn out or the sash-to rail meeting rail is not properly coated. This issue can be caused by a number of reasons, such as lack of maintenance or by the wrong weight rating for the particular window sash.

If the hinge arms on windows begin to slide, this could cause the sash to drag and then hit the frame at the opposite corner (Photo 1). To fix the problem ensure that the sash is centered in the frame opening and then remove it. If the sash is secured to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to open and close, due to hinges that are sagging and a general inefficiency. Many times, a few simple fixes can allow these windows to operate smoothly and help homeowners save money on energy bills.

It is important to have the tools you need before you start. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will help you get the channel back in the correct position after you've finished. Take the sash off and then remove all hardware, including the parting beads, cords, and chains that help to hold the sash. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash and store it in an labelled bag.

Sash Weights

Sash weights are able to be replaced to improve the operation of your window sash and decrease energy costs. Sash weights are hefty lead or iron cylinders, which are enclosed in a hidden cavity and attached to the movable the sash with a rope. These weights act as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. The sash weights are often neglected or ignored by homeowners and turned into scrap when they break; therefore you might need to search for replacements.


It's not easy to retrieve the sash-weight that fell from the cavity, so you'll want to find one that is suitable for the. You will also require an additional piece of string, a length sash cord and some sash pulleys to connect the new sash weights to the sash cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs holding the parts together can be removed using a pin punch and hammer. Most of them have large diameters on one side and a smaller one on the other, so it is crucial to take out the smaller-diameter sides first. Later sashes utilized glue instead of pins. They can be separated with a knife and mallet.

After the sash is removed, you can take off the sash stops and gain access to the weight pockets. This is typically done by drilling an opening at the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inner workings.

After the sash has been stopped and the access panel has been removed, you are able to remove the old weight and replace it. Weigh the sash first because the weights you have might not be the right size. Once the new weight is in place you can tie a string around it and thread it through the pulley for the sash. Then, you can attach the string to your boxed frame. Leave a few inches of space at the head of the string for future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is connected to the weights. This helps keep the sashes of the jamb in a balanced manner. As time passes, these cords may break, making it impossible to raise the window. A new sash cable can restore the ability to move and lower the sash and keep it in place when it is opened.

The first step in replacing sash cords is to find and remove the access panels within the jambs. They are usually attached by nails or screws and need to be removed. It may be possible to remove them with the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.

After you have removed the access panel, you are able to begin to work on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves using a chisel or flat bar. They are typically wedged into or nailed in, but they can be prised free and it's worth your time here. If the sash is in place, pry out the mortise and tenon joints using a hammer and pin punch or screwdriver, then unhook the wood pegs that are on each component. It should now be possible to move the sash around freely, though it might require oil if it feels stiff.

Take a measurement of the length of the sash chain or sash cord required to reach the sash slot at the bottom of the pulley on the top of the jamb. Cut the cord or chain and attach it in Step 6 above. You can either employ a hammer, nail or screws, but nails are less likely to cause damage.

It is best to keep the original weights if you have purchased a kit to replace the old counterbalance. They're not expensive and simple to install if purchased them from salvage shops for architectural use. Based on the dimensions and shape of your window you may need to use one or two sashweights to keep the sash open.

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