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Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew and damage. If you catch these issues early you will save money on repairs in the future.

The sash is an interior framing that can be moved vertically either up or down in windows that are open. This article will demonstrate how to do a variety of simple repairs to sash.

Weather Stripping

Wood window sashes add the classic look to your home and, when properly maintained, they will last for window sash repairs a long time. However, they can become damaged or degraded with time due to exposure and normal wear and tear. Sash repair specialists can restore windows to their original state and maintain their beauty much longer than replacement windows.

Weather stripping is the primary thing to address when repairing windows that have sash. It's located on both the frame and sash. It can cause drafts if worn out or loose. To fix it, start by determining the brand of your window 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, take the sash from the holder and place it on flat surfaces to allow you to see all four sides. If your sash has a double-hung, you'll need to remove the weights as well as their accompanying ropes which should have slipped into the pocket that was intended to be in the jamb liner. Once you've removed the sash using a utility knife, you can use it to cut off the old weather stripping at the corners. Then, remove it manually or using a putty blade.

Once the sash is clear it is time to replace the parting stops. These are long pieces that divide the sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, however you can also use a piece of scrap wood.

After removing the parting stops and trimming them to the desired length and thickness, apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife, and then let it dry for at least a day. After it has fully dried then apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear due to the wear and tear of use and the result could be a door or window that can't be opened or closed easily. It's a good idea to know that replacing or fixing this hardware is usually simple and inexpensive. If a sash becomes difficult to operate try spraying grease into the jamb channel, and then open it to see if this fixes the problem. If not, the problem is likely with the sash balance, and you'll need to remove the sash in order to access this hardware.

Sashes for windows should be able to be able to open and close with minimal effort. However, Window Sash Repairs this could be a challenge if the weights have been worn out or the sash-to-rail connecting rail isn't properly covered with. This problem can be caused by a number of factors, including lack of maintenance or by an incorrect weight rating for the specific window sash.

If the hinges on windows begin to slide, this can cause the sash drag and eventually hit against the frame at the opposite corner (Photo 1). To remedy the issue, make sure that the sash is aligned in the frame opening, and then take it off. If the sash is screwed to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Then, put in the new sash (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. Many times just a few easy fixes can allow these windows to operate smoothly once more and save homeowners money on energy costs.

To complete these repairs to sash, it's important to have all the necessary tools lined up before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will assist you in getting the channel back on place correctly when you're finished. Remove the sash and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. Soften any hardened putty with a heat gun set to medium and equipped with a nozzle shield. Take off the old sash and store it in an bag with a label.

Sash Weights

If your window sash repairs are to replace a broken cord or just to ensure that the windows are functional and functional, replacing worn-out sash weights will improve sash operation and help reduce the energy cost. Sash weights are made of heavy lead or iron cylindricals that are contained inside a concealed cavity, and are connected via ropes to the moveable window sash. These weights act as counterbalances and allow you to open and close the window without the need for mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners and turned into scrap when they fail; therefore you might need to find replacements.

It's difficult to retrieve the sash-weight that fell from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length sashcord and a few sashpulleys for tying the new weights to the cord.

Older wood windows are joined using mortise and tenon joints. Pin punch and hammer can be used to take out the wood pegs holding the parts together. The majority of them have a large diameter on one side and a smaller diameter on the other side, so it is crucial to take out the smaller-diameter sides first. Later sashes utilized glue instead of pins. They can be separated by using a knife and mallets.

After the sash is removed, you can take off the stops on the sash and get access to the pockets for weights. This is usually done via tiny holes at the bottom of each jamb. This hole is covered by an access panel made of wood that can be ripped off to allow you to 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 from the sash and replace it with new. Be sure to weigh the sash prior to you do this, since the old weights may be different in size from what is needed. After the new weight is installed you can tie a string around 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 the majority of double glazed window repairs-hung windows, a cord or chain is attached to the weights. This helps keep the sashes within the jamb in a balanced manner. As time passes, these cords may become damaged and render it impossible to raise windows. A new sash cable will restore the ability to raise and lower the sash, 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. These are usually installed by screws or nails and must be removed or repositioned. You could use a hammer or chisel for removing them however, it is always best to lay down dust sheets prior to commencing any work.

After you have removed the access panel, you are able to begin to work on the sash. Utilize a flat bar or chisel to pry the narrow partsing beads out of 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, remove the mortise and tenon joints with 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 back and forth freely, though it will probably need some oiling if it seems stiff.

Measure the length of sash chain/sash cord needed 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 as described in Step 6 above. You can use either a hammer, nails, or screws. However, nails are less likely than screws to cause damage.

Unless you've bought an upgrade kit to replace the old counterbalance system, it's recommended to keep the original balancing weights in place. They're not costly and are easy to install if you buy them at architectural salvage stores. Based on the dimensions and shape of your window, you might need to install one or two sashweights in order to keep it open.