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Window Sash Repairs

Regularly inspect the window sashes for signs of damage, window repairs mildew and mold. By catching these problems early you can save money on future repairs.

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

Weather Stripping

Wood window sashes provide the classic look to your home. If properly maintained, can last for a long time. However, they can become damaged or degraded over time because of exposure to the elements and wear and tear. Fortunately, sash repair specialists can restore your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows.

The first step for sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's loose or worn out, it could cause drafts and other problems. To fix it, begin by determining your window's brand and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width to find the appropriate weather stripping replacement to match.

Then, take the sash from the holder and place it on a flat surface to allow you to reach all four sides. If your sash has been double-hung, take out the ropes and weights that should be buried inside the jamb lining. Once you've removed the sash and the weights, use a utility knife to cut off the weather stripping that was formerly in place at the corners, and then take it off by hand or using a putty blade.

After the sash has been cleared, you can replace the parting stops. They are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. However, you can substitute for a scrap piece of lumber.

After removing the stopper and trimming it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth the compound with your putty knife, and let it dry at least a day. After the putty has completely dried, you can apply a topcoat of acrylic latex. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear from age and use and the result could be a window or door that won't open or close easily. The good news is that fixing and replacing this hardware is generally very simple and cost-effective. If you're having trouble opening a sash spray some lubricant into the jamb channel. Then, slide the sash open to see if this resolves the issue. If the issue persists, it is most likely to be due to the sash's balance. You'll need remove the window repair sash to access the hardware.

Ideally, window sashes must be able to open and close with very little effort, but this can be an issue when the weights wear out or if the sash's meeting rail isn't properly glazed. This issue can be due to many factors, including the lack of maintenance or a mismatched weight rating.

If the hinge arms of a window begin to sag, this can cause the sash's to drag and eventually hit the frame in the corner that's in the opposite direction of the hinge arm (Photo 1). To fix this issue, first make sure the sash is squarely inserted into the opening of the frame and then remove it from the window. If the sash was fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, windows that are old, especially those in older homes, can be difficult to open or close. In many instances, a few easy repairs can transform these windows into smooth operation again and save the homeowner cash on energy costs.

It is crucial to have the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) with a pencil. This will help you to position the channel in the right place when you are finished. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the chains or cords that hold it in place. A hot gun with nozzle shield and a medium setting will soften any putty that has been hardened. Remove the old sash, and store it in a bag with a label.

Sash Weights

Sash weights can be replaced to enhance the efficiency of your window sash, and also reduce the energy cost. Sash weights consist of heavy iron or lead cylinders that are enclosed inside a concealed cavity, and are connected via ropes to the movable window sash. They function as counterbalances, which allows you to open and shut the window without having to use mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners and then turned into scrap when they break; therefore, you may need to search for replacements.

It's not easy to retrieve an sash-weight which has fallen from the cavity, so you'll need to find one that fits properly. You will also require a new piece of string, a length the sash cord, as well as some sash pulleys that will tie the new sash weights the sash cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed by the use of a pin punch and hammer. The majority of these pegs are big on one side, but smaller on the other. It is essential to first remove the smaller diameter sides. Later sashes used glue instead of pins. They can be cut by using a knife or mallet.

Once the sash has been released, you can remove the stops on the sash and get access to the pockets for weights. Usually it is done by drilling an opening in the bottom of each jamb. The hole is then covered with a wooden panel that can be removed to reveal the inner workings.

After you have the sash stopped and the access panel removed, you will be able to remove the weight from the sash and replace it with new. First, weigh the sash because the weights you've got may not be the right size. After the new weight is in place you can tie a string around it and then thread it through the sash pulley. Then, attach the string to the boxed frame. Leave a few inches protruding at the head of the string to allow for future adjustments.

Sash Cords

Most old double glazing repairs-hung windows have a cord or chain connected to the weights that keeps the sashes in balance within the jamb. Over time, these cords may become damaged and render it impossible to raise windows. A new sash cord will give you the ability to move the sash upwards and downwards and keep it in position when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically screwed or nailed in and need to be removed. You might be able to use a hammer or chisel to prise them off however, it is always best to lay down dust sheets prior to beginning any work.

After removing the access panel, you are able to begin to work on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves with flat bar or chisel. It's important to be patient as they're often wedged or window repairs nailed in place. If the sash is in place, remove the mortise and tenon joints using the help of a hammer and pin or screwdriver, and then take out the wood pegs attached to the components. The sash should be able move freely now, but it might require some lubrication to feel less stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to reach from the pulley at the top of the jamb to the sash slot in the bottom. Cut the cord or chain and then attach it as described in the step 6 above. You can do this with a hammer, nails, or screws. However, nails are less likely to cause damage.

It is best to keep the weights that came with the original counterbalance unless you've purchased a kit to replace the old counterbalance. They are not expensive and are easy to install if you purchase them from salvage shops for architectural use. Based on the size of your window one or two sash weights may be needed to keep it open.