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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. By catching these problems early you can save money on repairs in the future.

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

Weather Stripping

Wood window sashes add an elegant look to your home. If properly maintained, they can last for many years. However, they can be damaged or deteriorate as time passes because of exposure to the elements and normal wear and tear. However, sash repair experts can restore your windows to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step to sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it can lead to drafts, as well as other issues. Begin 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). Remove the sash and mark its width and height so that you can find a new weather stripping that is compatible with the original.

Next, remove the sash and place it on a work surface so that you can reach all four sides. If your sash has a double-hung, you'll also need to remove the weights as well as the ropes that go with them, which should have fallen into the pocket of the jamb liner. Once you've taken the sash off, use a utility knife to cut off the old weather stripping at the corners. Then, remove it manually or using a putty knife.

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

After removing the parting stops and cutting them to the desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a few days. Once the putty has fully cured and dried, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash a modern appearance.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear from time and usage and the result could be a door or window that can't be opened or closed easily. It's a good idea to know that replacing or repairing this hardware is often straightforward and cost-effective. If a sash becomes difficult to operate, try spraying some lubrication into the jamb channel and then open it to see if it solves the issue. If not, the problem is likely to be with the balance of the sash and you'll need to take out the sash to gain access to the hardware.

Window sashes should open and close without much effort. However, this may be difficult if weights are worn out or the sash-to-rail connecting rail isn't covered with. This problem can be caused by a number of things, such as insufficient maintenance or a mismatched weight rating for the particular sash.

If the hinge arms on a window begin to sag 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 remove it. If the sash was screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to open and close, because of sagging hinges and a general lack of energy efficiency. In most instances, a few easy repairs can turn these windows into smooth operators again and save the homeowner money on energy costs.

It is crucial to have the tools you need before you start. Mark the hinge channel location on the frame (Photo 1) with pencil. This will allow you to get the channel back into 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 hold the sash in place. The nozzle shield of the heat gun and a medium setting will soften any putty that has been hardened. Remove the old sash, and store it in a labeled bag.

Sash Weights

Sash weights can be replaced to improve the operation of your window sash and decrease the energy cost. Sash weights are hefty lead or iron cylinders, which are enclosed in a hidden cavity and linked to the moveable the sash with a rope. These weights act as counterbalances, allowing you to open and close the window without having to use mechanical or electrical devices. If they fail, sashweights are usually neglected or not used by homeowners.

A sash weight that has fallen out of the cavity is difficult to recover It is therefore important to find a replacement that fits correctly. You will also need an additional piece of string, a length of sash cord, and a few sash pulleys to tie the new sash weights to the sash cord.

Older windows made of wood are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed by the use of a pin punch and hammer. The majority of them have an enormous diameter on one side and a smaller size on the other, which is why it is essential to remove the small-diameter sides first. Sashes that were made later in the century utilized glue instead of pegs. They can be separated by cutting through the glue line with an instrument, and then tapping the mortised area loose with mallets.

After the sash is removed then you can take out the sash stop and access the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. This hole is then covered by an access panel of wood that can be ripped off to allow you to observe the inner workings of the frame.

Once you have the sash stopped and the access panel removed, you will be able to remove the weight of the old sash and replace it with new. Weigh the sash first to ensure that the weights you have may not be the right size. After the new weight is installed, you can thread an appropriate length of string through the pulling mechanism. Then attach the string to the boxed frame, but leave a few inches of string sticking out from the head for future adjustment.

Sash Cords

Most double glazed window repairs near me-hung windows of the past come with a chain or cord attached to the weights that helps keep the sashes balanced in the jamb. Over time, these chains may become damaged and make it impossible to raise the windows. A new sash cable will restore the ability to raise and lower the sash, and keep it in place when it is opened.

The first step to replace cords for sash is to locate and remove the access panels within the jambs. They are typically screwed or nailed into and require removal. You could employ a hammer and chisel for removing them, but it's always better to lay down dust sheets before 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 narrow parting beads from their grooves. It is important to be patient because they are usually placed in a wedge or nail. If the sash remains in place, break the mortise and tenon joints free using a hammer or screwdriver and then remove each wood peg. The sash should be able move freely now, but it might require some lubrication in order to feel less stiff.

Take a measurement of the length of sash cord/chain needed to reach the sash slot on the bottom of the pulley at the top of the jamb. Cut the chain or cord and attach it as described in the previous step. You can either employ a hammer and screws or nails, however nails are less likely to cause damage.

It's best to leave the original weights in place unless you have purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase these from salvage shops for architectural purposes and they'll be easy to install once you have the sash opened. Based on the size of your window repairs two or three sash weights could be needed to keep it in an open position.