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How To Research Window Sash Repairs Online
Window Sash Repairs


Regularly inspect the window sashes for damage, mildew, and mold. If you catch these issues early you will save money on future repairs.

The sash is the interior framing that moves vertically either up or down in windows that open. This article will show you how to perform simple repairs to sash.

Weather Stripping

Wood window sashes give a classic aesthetic to your home and, when properly maintained, they will last for many years. However, they can be damaged or degrade in time due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original state and keep them looking great much longer than replacement windows.

The first step in repair sash window damage is to fix weather stripping, which can be found on both the sash and frame. If it's damaged or worn out, it could cause drafts and other issues. Begin by identifying window repair and the date of manufacture for the glass (etched on the glass's corners or on the aluminum spacers between panes). Then, take the sash off and mark its height and width so that you can locate replacement weather stripping to match.

Then, take it off and set it on a surface so that you can reach all four sides. If the sash is double-hung, remove the ropes and weights that should be buried within the jamb lining. After removing the sash with the utility knife, you can remove the weather stripping from the old sash by hand or using a putty blade.

Once the sash is clear and clean, you can put in the parting stops. These are long pieces of wood that divide the two sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. However, you could also use with a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty knife, and let it dry for at least a day. Once the putty has fully dried and dried, you can apply a topcoat of acrylic latex. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from time and usage and the result could be a window or door that won't open or close easily. The good thing is that fixing and replacing this hardware is generally very simple and cost-effective. If a sash is difficult to operate, try spraying some grease into the jamb channel and then slide it open to see if that resolves the issue. If the issue continues it's most likely that the sash balance is off. It is necessary remove the window sash to access the hardware.

Sashes for windows should be able to open and close with little effort. However, this may be a challenge if the weights have been worn out or the sash-to rail connecting rail isn't properly coated. This could be caused by a variety of factors that include the lack of maintenance or a mismatched weight rating.

If the hinge arms on the window begin to move, this could cause the sash to drag and eventually hit against the frame at the opposite corner (Photo 1). To address this problem, first ensure that the sash fits squarely in the opening of the frame and then remove it from the window. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, old windows especially in older homes, may be difficult to open or close. Sometimes, a few simple fixes can allow these windows to operate smoothly again and help homeowners save money on energy bills.

It is important to have the tools you require before you begin. Begin by marking the position of the hinge channel on the frame using pencil (Photo 1). This will help you get the channel back in place correctly when you're finished. Remove the sash, and remove all the hardware, including the beads for parting cords, chains, and cords that keep the sash in place. Soften any hardened putty using an electric heat gun set to medium and fitted with an shield for the nozzle. Take off the old sash and place it in a bag with a label.

Sash Weights

Sash weights can be changed to improve the operation of your window sash and reduce the energy cost. Sash weights are heavy, lead or iron cylinders, which are enclosed in a hidden cavity and attached to the movable window sash using rope. They provide counterbalance, allowing the window to be shut and opened without the use of electrical or mechanical devices. When they fail, sashweights are usually left unnoticed or disabled by homeowners.

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 a new piece string, a length sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Mortise and Tenon joints can be used to join old wood windows. The wood pegs that hold the parts together can be removed using pin punches and hammers. The majority of them have an enormous diameter on one side and a smaller diameter on the other, which is why it is crucial to take out the smaller-diameter sides first. Later sashes made use of glue instead of pins. They can be separated with a knife and mallet.

After the sash is released, you can remove the sash stops and gain access to the pockets for weights. This is typically done by drilling an opening in the bottom of each jamb. This hole is covered by an access panel of wood which can be removed so that you can observe the inner workings of the frame.

Once you have the sash stopped and the access panel removed, you will be able to remove the weight of the old sash and replace it with the new. Be sure to weigh the sash before you do this, since the old weights may be a different size than what is needed. Once the new weight is installed you can tie a string around it and then thread it through the pulley of the sash. Then nail the string to the frame, but leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain connected to the weights that helps keep the sashes level within the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cord will give you the ability to move the sash up and down and will keep it in its place when opened.

To replace sash cords the first step is to remove the access panels from the jambs. These are usually installed by screws or nails and will require to be removed or repositioned. It may be possible to remove them with the hammer or chisel but it is always better to lay out dust sheets before starting any work.

After removing the access panel, you are able to begin working on the sash. Utilize a flat bar, or chisel to pull the narrow parting beads from their grooves. They are usually wedged in or nailed but can be snipped out, so it's worth taking your time here. If the sash remains in place, pry the mortise and tenon joints free using a hammer or screwdriver, then remove each wood peg. The sash should be able move around freely now, however it may require some lubrication in order to feel less stiff.

Take a measurement of the length of sash chain/sash cord required to reach the sash slot at the bottom from the pulley located at the top of the jamb. Cut the cord or chain and attach it in the previous step. You can use a hammer and screws or nails, but nails are less likely to cause damage.

It is best to keep the original weights if you have purchased a kit that will replace the counterbalance. They are not expensive and are easy to install if you purchase them from salvage shops for architectural use. Based on the dimensions and shape of your window, you might need to install one or two sashweights to keep the sash open.

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