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Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. You can save the cost of repairs in the future by catching the issues early before they get out of hand.

The sash is an internal frame that moves upwards and downwards in windows that open. This article will demonstrate how to do a variety of simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also sturdy and can last many years if they are properly maintained. However, they can become damaged or degraded with time due to exposure or normal wear. Sash repair experts can restore windows to their original condition and maintain their appearance longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which is found on both the sash and frame. It can cause drafts if it's worn out or loose. To fix it, begin by determining your window'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, remove the sash and mark its width and height, so you can find new weather stripping that matches.

Then, you can remove the sash from its holder, and place it on a flat surface to allow you to access all four sides. If your sash was double-hung, take out the weights using their ropes that should be buried within the jamb lining. Once you've taken the sash off and the weights, use a utility knife to cut off the weather stripping that was formerly in place at the corners. Then, remove it by hand or using a putty blade.

Once the sash is clear and clean, you can put in the parting stops. These are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could also substitute with a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length then apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using your putty knife, and allow it to dry for at least one day. Once the putty has fully dried and dried, you can apply an acrylic latex topcoat. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes may wear out over time and with use. This can result in windows or doors that is difficult to open or close. The good news is that fixing and replacing this hardware is usually relatively easy and affordable. If a sash is difficult to operate you can try spraying some grease into the jamb channel then slide it open to see if that solves the issue. If not, the problem is likely with the balance of the sash and you'll need to remove the sash to access this hardware.

Ideally, window sashes must swing open and closed with minimal effort however, this can be an issue when the weights are worn or if the sash that joins rail isn't properly glazed. This issue can be caused by a variety of reasons, such as lack of maintenance or by the wrong 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 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 fixed to the hinge arm, unbolt the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Due to sagging hinges, and a general lack in energy efficiency, old windows particularly 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 make these windows operate smoothly again and help homeowners save money on energy costs.

It is essential to have the tools needed before you start. Begin by marking the location of the hinge channel on the frame with pencil (Photo 1). This will allow you to get the channel back in position correctly after you've completed. Remove the sash and take out all the hardware, including the beads for parting cords, chains, and cords that keep the sash in place. Soften any hardened putty with a heat gun set to medium and equipped with an shield for the nozzle. Remove the old sash, and place it in a bag with a label.

Sash Weights

Sash weights are able to be replaced to enhance the efficiency of your upvc window repairs sash and reduce the energy cost. Sash weights are composed of heavy lead or iron cylinders that are enclosed in a concealed cavity and connected by ropes to the movable window sash. These weights provide counterbalance which allows the upvc window repair near me to be shut and opened without the need for mechanical or electrical devices. When they fail, sashweights tend to be left unnoticed or disabled by homeowners.

It's not easy to retrieve the sash-weight that fell from the cavity, so you'll need to find one that is suitable for the. You will also need a new piece of string, a length sash cord and some sash pulleys to connect the new sash weights the sash cord.

Older windows made of wood are joined with mortise and tenon joints. Hammers and pins can be used to cut off the wood pegs that hold the components together. Most of these pegs have a large diameter on one side and a smaller diameter on the other, which is why it is essential to remove the smaller-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line with a knife, then tapping the mortised area loose using a mallet.

Once the sash has been released, you can remove the sash stops and gain access to the weight pockets. This is usually done through an opening at the bottom of each jamb. The hole is surrounded by an unfinished wooden panel that can be removed to reveal the inside workings.

After the sash has been stopped and the access panel has been removed, you are able to remove the old weight and replace it. Make sure you weigh the sash before you do this, since the weights that were previously used may be different sizes than what is needed. After the new weight is installed, you can thread a string through the sash pulling mechanism. Then, nail the string to your boxed frame. Leave a few inches protruding at the end of the string for future adjustments.

Sash Cords

In the majority of old double-hung windows, a chain or cord is connected to the weights. This keeps the sashes of the jamb balanced. As time passes, these cords may break, making it difficult to raise the window. A new sash cable will restore the ability to raise and lower the sash and keep it in position when opened.

The first step in replacing cords for sash is to locate and take out the access panels located in the jambs. They are typically fixed or screwed in and will require to be removed or repositioned. It is possible to remove them using a hammer or chisel, however, it is best to lay out dust sheets prior to starting any work.

After removing the access panel, you are able to begin working on the sash. Utilize a flat bar or chisel to pry the small parting beads from their grooves. It's important to be patient because they are usually stuck or nailed to the floor. If the sash is in place, break the mortise and tenon joints with a hammer and pin punch or screwdriver, then remove the wood pegs attached to each piece. The sash should move around freely now, however it may need some lubrication to make it feel less stiff.

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

If you don't have an upgrade kit to replace the old counterbalance system it's recommended to keep the original weights for balancing in place. They are not expensive and are easy to install if you purchase them from architectural salvage stores. Depending on the size and shape of your window you may need to use one or two sashweights in order to keep it open.