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Window Sash Repairs

Make sure to check the sashes of your windows regularly for damage, mildew, and mold. You can save the cost of repairs in the future by catching the issues early on before they get out of hand.

The sash is an inside frame that can move vertically up and down in windows that open. This article will teach you how to do a variety of simple repairs to sash.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home. If properly maintained, can last for years. They may, however, be damaged or degraded over time due to exposure or normal wear. Fortunately, sash repair specialists can bring your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step to sash window repairs is addressing weather stripping, which is found on both the sash and frame. It could cause drafts if worn out or loose. Start by identifying the brand of window and the date of manufacture for the glass (etched on the glass's corners or on the aluminum spacers between panes). Take the sash off, and mark its size and width so that you can find a new weather stripping that is compatible with the original.

Then, remove the sash and set it on a work surface so that you can reach all four sides. If the sash is double-hung, remove the weights with their ropes that should be buried within the jamb lining. Once you've taken the sash off, use a utility knife to cut off the weather stripping from the corners. Then, take it off by hand or using a putty knife.

After the sash has been cleared, you can install the parting stops. These are long pieces that divide the sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, however you can also replace them with a piece of scrap wood.

After removing the stoppers for parting and trimming them to your desired length then apply a thin layer of glazing compound to 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 cure and dried, you can apply a topcoat of acrylic latex. This coating will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear from time and usage, and the result can be a window or door that isn't able to open or close easily. The good thing is that fixing and Window repairs replacing this hardware is typically very simple and cost-effective. If a sash is difficult to operate, try spraying some lubrication into the jamb channel then slide it open to see if that fixes the problem. If not, the issue is most likely due to the balance of the sash and you'll need to remove the sash to access the hardware.

Ideally, window sashes should swing open and closed with minimal effort but this can be a difficult task when the weights wear out or if the sash's meeting rail isn't properly glazed. This issue can be caused by a variety of reasons, such as the lack of maintenance or an incorrect weight rating for the specific sash.

If the hinge arms on windows begin to slide, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To fix the problem make sure the sash is centered in the frame opening, and then take it off. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Windows that are old, especially in older homes, can be difficult to close and open due to sagging hinges and general inefficiency. In most instances, a few minor repairs can turn these windows into smooth operators and save homeowners money on energy costs.

It is crucial to have the tools you need before you begin. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will make it easier to put the channel in the right position after you've finished. Take the sash off and take out all the hardware, including the parting beads cords, chains, and cords that hold the sash in place. Heat gun with nozzle shield and a medium setting will soften any putty that has been hardened. Remove the old sash, and put it in a labeled bag.

Sash Weights

If your window repair sash repairs are to replace a damaged cord or to ensure that the windows are functional, replacing worn out weights on sash can improve sash operation and cut down on energy consumption. Sash weights are composed of heavy lead or iron cylinders that are enclosed inside a concealed cavity, and connected by ropes to the movable window sash. These weights provide counterbalance, allowing the window to be opened and closed without the need for mechanical or electrical devices. The sash-weights are typically neglected or ignored by homeowners, and are turned into scrap when they fail; therefore, you may need to find 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 need a new piece of string, a length sash cord and some sash pulleys that will tie the new sash weights to the sash cord.

Mortise and Tenon joints are used to join old wood windows. Pin punch and hammer can be used to take out the wood pegs holding the parts together. The majority of them are large on one side and smaller on the other. It is crucial to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised section loose using mallets.

Once the sash is freed then you can take out the sash stop and access the weight pocket. This is usually done via tiny holes at the bottom of every jamb. The hole is then covered with an access panel made of wood that can be ripped off to allow you to view the inside of the frame.

Once you have the sash stopped and the access panel removed, you will be able to take off the old sash weight and replace it with new. Weigh the sash first to ensure that the weights you have may not be of the right size. Once the new weight is installed, tie a string to it and then thread it through the sash pulley. Then, you can nail the string to the boxed frame, but only leave a few inches of string protruding from the head for future adjustment.

Sash Cords

In the majority of old double-hung windows the chain or cord is attached to the weights. This helps keep the sashes in the jamb level. Over time these cords can 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 position when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically installed by screws or nails and will need to be removed or repositioned. It may be possible to remove them with an axe or hammer, but it is always best to lay out dust sheets before starting any work.

Once the access panel is removed, you can start working on the sash. Take the narrow beads (also called "tie rails") out of their grooves with the chisel or flat bar. It's important to take your time as they're often wedged or nailed in place. If the sash remains in place, remove the mortise and tenon joints with a hammer and pin punch or screwdriver, then remove the wood pegs on the components. The sash should move freely, however it may require some lubrication in order to feel less stiff.

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

It is recommended to keep the weights that came with the original counterbalance unless you've purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase these from salvage shops for architectural purposes and they'll be easy to install once you've got the sash open. Based on the dimensions and shape of your window, you may require one or two sashweights to keep it open.