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Window Sash Repairs

Window sashes need to be inspected regularly for signs of mold, mildew, and damage. By catching these problems early you will save money on repairs in the future.

The sash is an inside frame that can move up and down vertically in windows that open. This article will show you how to perform easy repairs to your sash.

Weather Stripping

Wooden window sashes can give an elegant appearance to your home. They are also durable and can last many years provided they are properly maintained. However, they can be damaged or degrade as time passes due to exposure to the elements and wear and wear and tear. Sash repair experts can restore windows to their original condition and maintain their appearance much longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which can be found on both the sash as well as the frame. If it's loose or worn out, it can cause drafts and other issues. Begin by identifying the window brand and the date of manufacture for the glass (etched on the corner of the glass, or the aluminum spacers between panes). Then, take the sash off and mark its width and height to find the appropriate weather stripping replacement to match.

Then, remove the sash and place it on a table so you can access all four sides. If the sash is double glazed window repairs-hung, you'll have to remove the weights and their accompanying ropes which should have slipped into the pocket of the jamb liner. After removing the sash with the utility knife, remove the weather stripping that was left by hand or with a putty blade.

After the sash has been cleared, you can install the stoppers that separate the two sashes. These are long pieces of wood that separate the two sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard. However, you can also replace them with scrap wood.

After removing the stoppers for parting and trimming them to the desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a few days. Once it's fully cured then apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that supports window sashes may wear out with time and use. This could result in the window or door that is difficult to open or close. It's good to know that replacing or repair of this hardware is typically easy and affordable. If you're having difficulty opening a sash, spray some lubricant into the jamb channel. Then, slide the sash out to see if this resolves the problem. If the issue persists it's most likely that the sash balance is off. You will need remove the window sash in order to reach this hardware.

Sashes for windows should be able to open and close with little effort. However, this may be difficult if weights are worn out or the sash connecting rail isn't covered with. This issue can be caused by a number of factors, including insufficient maintenance or an incorrect weight rating for a particular sash.

If the hinge arms of a window are starting to slide, this could cause the sash to drag and eventually land on the frame in the corner opposite the hinge arm (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame's opening and take it off. If the sash is attached to the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close due to sagging hinges and an overall lack of energy efficiency. In most instances, a few easy repairs can turn these windows into smooth operation and save homeowners money on energy bills.

To complete these repairs to the sash it is important to have all of the necessary tools in place before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will assist you in getting the channel back into the correct position after you've finished. Remove the sash, and then remove the hardware, including the parting beads (Photo 2) and the cords or chains that secure it. The nozzle shield of the heat gun and medium setting will soften any putty that has been hardened. Remove the old sash, and store it in a bag labeled.

Sash Weights

Sash weights can be replaced to improve the performance of your window sash and decrease the cost of energy. Sash weights are heavy, lead or iron cylinders, which are enclosed in a hidden cavity and connected to the movable sash by a rope. They are counterbalancers, allowing the window to be opened and closed without the use of electrical or mechanical devices. If they fail, sashweights are often ignored or disabled by homeowners.

A weight from a sash that fell out of the cavity is difficult to retrieve, so you will want to locate a new one that fits properly. You will also require a new piece string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Mortise and Tenon joints are used to join old wood windows. The wood pegs that hold the parts together can be removed by a pin punch and hammer. The majority of these pegs are big on one side, and smaller on the other. It is crucial to remove first the smaller diameter sides. Sashes that were made later in the century utilized glue instead of pegs. They can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised area loose using mallets.

Once the sash has been released, you can remove the sash stops and access the weight pockets. This is usually done via tiny holes at the bottom of each jamb. The hole is then covered with the wooden panel which can be removed to reveal the inner workings.

After you have the sash stopped and the access panel removed, you'll be able to remove the old sash weight and replace it with new. Make sure you weigh the sash before you do this, since the old weights could be a different size than what is needed. After the new weight is in place, tie a string to it and then thread it through the sash pulley. Then attach the string to the frame, leaving a few inches of string protruding from the head to allow for future adjustments.

Sash Cords

In most old double-hung window, a chain or cord is attached to the weights. This keeps the sashes in the jamb in a balanced manner. Over time these cords can break, making it difficult to raise the window. A new sash cord will restore the ability to move the sash up and down and keep it in place when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are usually attached by nails or screws and need to be removed. It is possible to take them out using a hammer or chisel, but it is always best to lay out dust sheets before beginning any work.

After removing the access panel, you can begin to work on the sash. Utilize a flat bar, or chisel to pull the small partsing beads out of their grooves. It's important to take your time as they're often wedged or nailed in place. If the sash is still in place, pull the mortise and tenon joints free with a screwdriver or hammer and then remove each wood peg. The sash should move freely, however it may need some lubrication to feel less stiff.

With the sash open, measure enough sash cord/chain to extend from the pulley at the top of the jamb to the sash slot on the bottom. Cut the cord/chain and then attach it in Step 6 above. You can do this with nail, hammer or screws. However nails are less likely to cause damage.

It's best to leave the original weights in place unless you've purchased a kit to replace the counterbalance that was previously installed. They're not costly and are easy to install if you buy them at architectural salvage stores. Depending on the dimensions and shape of your window you may require one or two sashweights to keep the sash open.