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Window Sash Repairs

upvc window repairs near me sashes must be regularly checked for mold, mildew and other damage. If you catch these issues early you can save money on future repairs.

The sash is the interior frame that is vertically moved up or down in windows that open. This article will demonstrate how to perform several simple repairs to sash.

Weather Stripping

Wood window sashes add a classic aesthetic to your home and, when properly maintained, can last for a long time. They may, however, become damaged or degraded with time due to exposure or normal wear and tear. However, sash repair experts can restore your windows to their original condition and keep them looking fantastic for longer than replacement windows.

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

Next, remove the sash and set it on a table to allow access to all four sides. If the sash is double-hung, you'll need to remove the weights as well as the ropes that go with them, which should have fallen into the intended pocket in the jamb liner. After removing the sash using the utility knife, take off the weather stripping from the old sash by hand or with a putty knife.

After the sash is cleared, you can replace the parting stops. These are long pieces that separate 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 use scrap wood.

After removing the stopper and cutting it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, and let it dry for at least a day. 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 look.

Sash Hardware

The hardware that supports the window sashes can wear out over time and with use. This can result in the window repairing or door repairing that is difficult to open or close. The good news is that fixing and replacing this hardware is usually relatively easy and affordable. If you're having difficulty opening the sash, spray some grease into the jamb channel. Then slide the sash out to see if that fixes the issue. If the issue persists it's most likely the sash balance. You'll need to remove the window sash in order to access the hardware.

Ideally, window sashes should be able to open and close without effort, but this can be difficult when the weights are worn or if the sash meeting rail isn't properly glazed. This problem can be due to a variety of factors that include the lack of maintenance or an unmatched weight rating.

If the hinge arms on a window begin to sag this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To fix the problem ensure that the sash is centered in the frame opening, and then remove it. If the sash is secured to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Windows that are old, especially in older houses, can be difficult to close and open 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 costs.

It is crucial to have the tools needed before you begin. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will make it easier to put the channel in the correct location after you've completed. Remove the sash and take out all the hardware including the parting beads, cords, and chains that help to hold the sash Window repair. Soften any hardened putty using an electric heat gun set to medium and fitted with a shield for the nozzle. Take off the old sash and store it in a labeled bag.

Sash Weights

Sash weights are able to be replaced to improve the performance of your window sash, and also reduce the cost of energy. Sash weights are heavy, lead or iron cylinders enclosed inside a hidden compartment and linked to the moveable sash by rope. These weights function as counterbalances, allowing you to open and close the window without the need for mechanical or electrical devices. The sash-weights are typically neglected or ignored by homeowners and turned into scrap when they break; therefore you may have to search for replacements.

It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll want 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 by mortise and tenon joints. Hammers and pins can be used to remove the wood pegs that hold the parts together. The majority of these pegs have large diameters on one side and a smaller diameter on the other side, so it is important to remove the small-diameter sides first. 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 sash window repair then tapping the mortised area loose with mallets.

After the sash is released, you can remove the sash stops and gain access to the weight pockets. This is usually done through a small hole at the bottom of each jamb. This hole is covered by a wooden access panel that can be cut off so that you can observe the inner workings of the frame.

Once the sash is stopped and the access panel is removed, you can remove the weight that was previously installed and replace it. Make sure you weigh the sash prior to you begin, as the old weights may be a different size than what is needed. Once the new weight is in place you can tie a string around it and thread it through the sash pulley. Then, you can attach the string to the boxed frame. Leave a few inches at the end of the string to allow for future adjustments.

Sash Cords

Most old double-hung windows come with a chain or cord attached to the weights which helps keep the sashes balanced in the jamb. As time passes, these cords may become damaged and make it impossible to raise windows. A new sash cord will restore the ability to move the sash upwards and downwards and will keep it in its place when it is opened.

The first step in replacing sash cords is to locate and remove the access panels within the jambs. They are usually screwed or nailed in and require removal. It may be possible to remove them with the hammer or chisel however, it is best to lay out dust sheets before starting any work.

Once the access panel is removed, you can begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. They are usually wedged in or nailed, but they can be snipped out, so it's worth taking your time here. If the sash is still in place, break the mortise and tenon joints free using a hammer or screwdriver, then remove each wood peg. You should be able to move the sash around freely, although it will probably need some lubrication if it feels stiff.

Measure the length of sash chain/sash cord needed to reach the sash slot at the bottom of the pulley at the top of the jamb. Cut the cord or chain and secure it as in Step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.

It's best to leave the original weights if you've purchased a kit that will replace the counterbalance. They're not costly and simple to install if you buy them from architectural salvage stores. Depending on the dimensions and shape of your window, you may require one or two sashweights in order to keep it open.