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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew and other damage. By catching problems before they become serious you can save money on repairs in the future.

The sash is an internal frame that moves vertically up and down in windows that are open. This article will show you how to do simple repairs to sash.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home and, when properly maintained, can last for a long time. However, they may become damaged or degraded over time due to exposure to elements and normal wear and wear and tear. Sash repair glass experts can restore windows back to their original condition and maintain their beauty longer than replacement windows.

Weather stripping is the primary thing to address when repairing windows that have sash. It is located on both the frame and the sash. It could cause drafts if damaged or is loose. Start by identifying the window's brand and the glass manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Then, remove the sash and mark its width and height to find new weather stripping that matches.

Then, you can remove the sash from its holder and place it on flat surfaces to allow you to access all four sides. If your sash has a double-hung, you'll also need to remove the weights and their ropes which should have slipped into the intended pocket in the jamb liner. After you have removed the sash using the utility knife, remove the weather stripping that was left by hand or with a putty blade.

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

After removing the stoppers for parting and trimming them to your desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry for at least a day. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from the wear and tear of use, and the result can be a window or door that won't open or close easily. It's a good idea to know that replacing and repairing this hardware is often straightforward and cost-effective. If a sash isn't easy to operate, try spraying some oil into the jamb channel then slide it open to see if that resolves the issue. If not, the problem is most likely due to the sash balance, and you'll need to take out the sash in order to access this hardware.

Ideally, window sashes must be able to open and close without effort, however, this can be an issue if the weights become worn or if the sash's meeting rail isn't properly glazed. This could be caused by various reasons that include the lack of maintenance or an unmatched weight rating.

If the hinges on a window begin to sag 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 screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Old windows, particularly those in older houses, can be difficult to open and close, due to sagging hinges and general inefficiency. In most instances, a few easy repairs can turn these windows into smooth operators and save homeowners money on energy bills.

It is essential to have the tools you require before you begin. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will help you get the channel back into place correctly when you're finished. Remove the sash and then remove all hardware, including the beads for parting cords, chains, and cords that help to hold the sash. Soften any putty that has been hardened with a heat gun set to medium and equipped with an shield to block the nozzle. Remove the old sash and put it in a bag labeled.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or simply to keep your windows functioning, replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are heavy lead or iron cylinders enclosed in a concealed cavity and attached to the movable sash by rope. These weights act as counterbalances, which allows you to open and close the window without requiring mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners and turned into scrap when they fail; therefore you may have to locate replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to find a new one that fits correctly. You will also require an additional piece of string, a length of the sash cord, as well as some sash pulleys to connect the new sash weights onto the sash cord.

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

Once the sash is freed and removed, you can take off the sash stop and gain access to the weight pocket. This is typically done by drilling an opening at the bottom of each jamb. The hole is then covered with a wooden access panel which can be removed to let you observe the inner workings of the frame.

Once you have the sash stopped and the access panel removed, you will be able to take off the weight of the old sash and replace it with the new. Be sure to weigh the sash before you begin, as the old weights may be different sizes than the one you need. After the new weight is installed then tie a string to it and thread it through the sash pulley. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.

Sash Cords

Most double glazing repair near me-hung repair windows of the past come with a chain or cord attached to the weights which keeps the sashes level within the jamb. Over time these cords can break, making it impossible to raise the window. A new sash cable will give you the ability to raise and lower the sash 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 nailed or screwed in and will require to be removed or repositioned. You might be able to use a hammer or chisel for removing them but it's best to lay down dust sheets prior to commencing any work.

After removing the access panel, you are able to begin working on the sash. Take the narrow beads (also called "tie rails") out of their grooves with a chisel or flat bar. They are usually wedged in or nailed, but they can be removed which is why it's worth your time here. If the sash is still in place, pry out the mortise and the tenon joints by using a hammer and pin punch or screwdriver, then unhook the wood pegs that are on each component. You should now be able to move the sash back and forth without difficulty, though it will probably need some oiling if it seems stiff.

Take a measurement of the length of sash chain/sash cord needed to reach the sash slot at the bottom, and the pulley at the top of the jamb. Cut the chain or cord, and then attach it as described in Step 6 above. You can do this with a hammer, nails, or screws. However nails are less likely than screws to cause damage.

If you don't have an upgrade kit to replace the old counterbalance system it's best to keep the original balancing weights in place. They're not expensive and are easy to install if you buy them from salvage shops for architectural use. Depending on the size of your window, one or two sashweights might be required to keep the sash in an open position.