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5 Window Sash Repairs Projects For Any Budget
Window Sash Repairs

Sashes for windows must be inspected regularly for signs of mold, mildew and damage. By catching these problems early, you can save money on repairs in the future.

The sash is the interior framing that can be moved vertically upwards or downwards in windows that open. This article will teach you how to perform several simple repairs to sash.

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Wood window sashes give the classic look to your home. When properly maintained, can last for many years. However, they may become damaged or degrade as time passes because of exposure to the elements and wear and tear. However, sash repair experts can bring your windows back to their original condition and keep them looking great for longer than replacement windows.

Weather stripping is the first issue to take care of when fixing sash windows. It is located on both the frame and sash. It can cause drafts if it's worn out or loose. To fix it, begin by determining your window's brand and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash, and mark its width and height so you can purchase replacement weather stripping that matches.

Then, you can remove the sash from the holder and place it on flat surfaces to allow you to see all four sides. If your sash has been double-hung, remove the weights with 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 old weather stripping at the corners, then remove it by hand or using a putty knife.

When the sash is clean, you can replace the parting stops. These are long pieces wood that are used to separate the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could also use with a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using your putty tool, and allow it to dry for at least a day. Once it's fully cured, apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports the windows sashes can become worn out over time and use. This can result in a door or a window that is difficult to open or close. It's good to know that replacing and fixing this hardware is usually easy and affordable. If a sash is difficult to operate, try spraying some grease into the jamb channel then slide it open to see if that solves the issue. If not, the issue is most likely due to the sash balance and you'll need to remove the sash in order to access the hardware.

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

If the hinge arms of a window are starting to sag, this can cause the sash to drag and eventually land on the frame in the corner that's opposite the hinge arm (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 has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close, due to hinges that are sagging and an overall inefficiency. In most cases, a few simple repairs can turn these windows into smooth operators and save homeowners money on energy costs.

It is crucial to have the tools you require before you start. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will assist you in getting the channel back in position correctly after you've completed. Take the sash off and take out all the hardware, including the beads for parting, cords, and chains that keep the sash in place. Soften any hardened putty with a heat gun set to medium and fitted with a shield to block the nozzle. Remove the old sash, and store it in a labeled bag.

Sash Weights

Sash weights are able to be replaced to improve the operation of your window sash and decrease the cost of energy. Sash weights are heavy lead or iron cylinders enclosed in a concealed cavity and linked to the moveable window sash using a rope. They are counterbalancers which allows the window to be closed and opened without the need for mechanical or electrical devices. When they fail, sashweights tend to be left unnoticed or disabled by homeowners.

It is difficult to recover an sash-weight which has fallen from the cavity, so you'll want to find one that fits properly. You will also need an additional piece of string, a length sash cord and some sash pulleys that will tie the new sash weights the sash cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the components together can be removed by a pin punch and hammer. Most of these pegs have an enormous diameter on one side and a smaller size on the other, so it is crucial to take out the smaller-diameter ones first. Sashes that were made later in the century used glue instead of pegs. They can be separated by cutting through the glue line with a knife, then tapping the mortised area loose with mallets.

After the sash has been removed then you can take out the sash stop and gain access to the weight pocket. Usually it is done by drilling an opening in 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.

When the sash has been shut off and the access panel has been removed, you can remove the old weight and replace it. Be sure to weigh the sash before you do this, as the old weights could be different sizes than what is needed. Once the new weight is in place then tie a string to it and then thread it through the pulley of the sash. Then nail the string to the frame, leaving a few inches of string protruding from the head for future adjustment.

Sash Cords

The majority of double-hung windows with a history have a cord or chain connected to the weights that keeps the sashes balanced in the jamb. Over time, these cords can become damaged and render it impossible to raise the windows. A new sash cable will give you the ability to raise and lower the sash and keep it in position when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are usually screwed or nailed into and require removal. You may be able to use a hammer or chisel for removing them but it's best to lay down dust sheets prior to starting any work.

After the access panel has been removed, you can start working on the sash. Use a flat bar or chisel, to pry the tiny parting beads out of their grooves. They are usually wedged in or nailed but can be removed and it's worth your time here. If the sash is in place, remove the mortise and tenon joints using the help of a hammer and pin or screwdriver, then unhook the wood pegs on each component. The sash should move freely now, but it might require some lubrication in order to feel less stiff.

With the sash in an open position Take a measurement of the sash chain to extend from the pulley on the top of the jamb to the sash slot at the bottom. Cut the chain or cord and fix it as described in the previous step. You can use a hammer and screws or nails, however nails are less likely to cause damage.

It is recommended to keep the original weights if you've purchased a kit to replace the counterbalance. They are not expensive and are easy to install if you purchase them from salvage shops for architectural use. Depending on the dimensions and shape of your window you may need to use one or two sashweights to keep it open.

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