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Window Sash Repairs

Check the windows sashes regularly for signs of damage, mildew and mold. You can reduce the cost of repairs in the future by catching problems in the early stages before they get out of hand.

The sash is an internal frame that can move vertically up and down in windows that are open. This article will show you how to carry out a few simple sash repair.

Weather Stripping

Wooden window sashes can give an elegant appearance to your home. They are also durable and last for a long time if they are properly maintained. However, they may become damaged or degraded as time passes because of exposure to the elements and wear and wear and tear. Thankfully, sash repair experts can bring your windows back to their original condition and maintain their appearance for much longer than newer replacement windows.

Weather stripping is the first aspect to consider when you are repairing sash windows. It's on both the frame and sash. If it's damaged or worn out, it can lead to drafts and other problems. To fix it, begin by determining your upvc window repairs's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its width and height to find new weather stripping that matches.

Then, remove the sash and place it on a surface so that you can reach all four sides. If your sash was double-hung, remove the weights with their ropes that should have fallen into the pocket within the jamb lining. After you've removed the sash and the weights, use a utility knife to remove the weather stripping that was formerly in place at the corners, and then remove it by hand or with a putty knife.

After the sash has been cleared, you can replace the parting stops. These are long pieces wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. However, you can also use for a scrap piece of lumber.

After removing the stoppers for parting and trimming them to your desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, then let it dry for a minimum of a day. After the putty has completely cured, you can apply a topcoat of acrylic latex. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes may wear out over time and with use. This could result in windows or doors that is difficult to open or close. It's important to know that replacing and repair of this hardware is typically easy and affordable. If a sash isn't easy to operate, try spraying some oil into the jamb channel then slide it open to see if this solves the issue. If the problem persists it's likely to be due to the sash's balance. You'll need to take off the window repairs sash to reach this hardware.

Ideally, window sashes should be able to open and close with very little effort, but this is an issue when the weights are worn or if the sash that joins rail isn't properly coated. This issue can be due to various reasons, including the lack of maintenance or a mismatched weight rating.

If the hinge arms on the window begin to move, this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To fix this problem, first ensure that the sash fits squarely in the frame's opening and then remove it from the window. If the sash was attached to the hinge arm, remove the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, older windows, especially those in older houses, could be difficult to open or close. Many times it is a matter of making a few minor adjustments that can help these windows function smoothly once more and help homeowners save money on energy costs.

It is essential to have the tools you need before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will make it easier to put the channel in the proper position after you've finished. Take the sash off and then remove all hardware, including the parting beads cords, chains, sash and cords that keep the sash in place. Soften any putty that has been hardened with the help of a heat gun set at medium and equipped with a shield for the nozzle. Take off the old sash and store it in a bag with a label.

Sash Weights

If your window sash repairs are to replace a broken cord or just to keep your windows functioning, replacing worn out weights on sash can improve sash operation and reduce the energy cost. Sash weights are heavy lead or iron cylinders enclosed in a concealed cavity and attached to the movable window sash using rope. These weights function as counterbalances and allow you to open and close the window without requiring mechanical or electrical devices. If they fail, sashweights tend to be left unnoticed or disabled by homeowners.

A sash weight that has fallen out of the cavity is difficult to recover and you'll need to locate a new one that fits properly. You will also require an additional piece of string, a length of the sash cord, as well as some sash pulleys to tie the new sash weights to the sash cord.

Mortise and Tenon joints can be used to join older wood windows. Hammers and pins can be used to remove the wood pegs that hold the parts together. Most of these pegs have a large diameter on one side and a smaller one on the other side, so it is essential to remove the smaller-diameter ones first. Later sashes used glue instead of pins. They can be separated with a knife and mallet.

Once the sash has been removed, you can take off the stops on the sash and get access to the pockets for weights. This is typically done by drilling a small hole in the bottom of each jamb. This hole is then covered by an access panel of wood that can be ripped off so that you can see the inner workings of the frame.

After the sash has been stopped and the access panel removed, you will be able to remove the old sash weight and replace it with the new. Be sure to weigh the sash first because the weights you have might not be of the right size. Once the new weight is installed then tie a string to it and then thread it through the sash pulley. Then, you can nail the string to the frame, leaving a few inches of string hanging from the head for future adjustments.

Sash Cords

Most old double-hung windows include a chain or cord connected to the weights that helps keep the sashes in balance within the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cord will give you the ability to move the sash upwards and downwards and hold 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 will need to be removed or relocated. You could use a hammer or chisel for removing them, but it's always better to lay down dust sheets prior to starting any work.

Once the access panel is removed, you can begin working on the sash. Utilize a flat bar or chisel to pull the small parting beads out of their grooves. They are usually wedged in or nailed, but they can be prised free and it's worth your time here. If the sash remains in place, break the mortise and tenon joints with the help of a hammer and pin or screwdriver, then remove the wood pegs that are on each component. The sash should be able to move freely now, but it might require some lubrication to make it feel less stiff.

With the sash open, measure enough sash cord/chain to reach from the pulley in the top of the jamb to the sash slot at the bottom. Cut the chain or cord and secure it as in the previous step. You can use either a hammer, nails or screws. However, nails are less likely than screws to cause damage.

It's best to leave the original weights in place unless you've purchased a kit that will replace the old counterbalance. They're not expensive and easy to install if you purchase them from salvage shops for architectural use. Based on the size of your window, two or three sash weights could be needed to keep the sash in an open position.