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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and other damage. By catching these problems early you can save money on future repairs.

The sash is an inside frame that can move up and down vertically in windows that open. This article will teach you how to carry out a few simple repairs to the sash.

Weather Stripping

Wood window repair near me sashes provide the classic look to your home. If properly maintained, can last for a long time. They can, however, become damaged or degraded with time due to exposure or normal wear and tear. Fortunately, sash repair specialists can bring your windows back to their original condition and keep them looking great 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 the sash. It could cause drafts if damaged or is loose. To fix it, start by determining the brand of your window and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off and mark its width and height so that you can purchase new weather stripping that is compatible with the original.

Next, remove the sash and set it on a surface to allow access to all four sides. If your sash has been double-hung, take out the ropes and weights that should be buried within the jamb lining. Once you've removed the sash using a utility knife, you can use it to remove the old weather stripping at the corners, then take it off by hand or using a putty knife.

After the sash is cleared, you can install parting stops. These are long pieces that divide the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can also use for a scrap piece of lumber.

After removing the parting stops and cutting them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth out the compound using your putty knife and window let it dry for at least a few days. After the putty has completely dried it is possible to apply a topcoat of acrylic. This coating will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear from the wear and tear of use and the result could be a door or window that won't open or close easily. It's important to know that replacing or repairing this hardware is often easy and affordable. If you're having trouble opening a sash spray some oil into the jamb channel. Then, you can slide the sash up and open to see if this resolves the issue. If not, the issue is likely to be with the sash balance and you'll need to remove the sash in order to access this hardware.

Ideally, window sashes must swing open and closed without effort, but this can be a difficult task when the weights are worn or if the sash's meeting rail isn't properly glazed. This issue can be caused by a number of things, such as insufficient maintenance or a mismatched weight rating for the particular sash.

If the hinges on a window begin to sag this could cause the sash to drag and eventually hit against the frame at the opposite corner (Photo 1). To resolve this issue, first make sure the sash fits squarely in the opening of the frame and then remove it from the window. If the sash is secured to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Old windows, particularly those in older homes, can be difficult to close and open due to sagging hinges and general inefficiency. Many times it is a matter of making a few minor adjustments that can make these windows operate smoothly and save homeowners money on energy costs.

It is important to have the tools needed before you begin. Start by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will allow you to position the channel in the right place when you are finished. Take the sash off and take out all the hardware including the parting beads cords, chains, and cords that help to hold the sash. Soften any hardened putty using a heat gun set to medium and fitted with an shield to block the nozzle. Remove the old sash and store it in a bag labeled.

Sash Weights

If your window sash repairs are to replace a broken cord or to ensure that the windows are functional, replacing worn out weights on sash can improve sash operation and help reduce the energy cost. Sash weights are heavy lead or iron cylinders enclosed in a hidden cavity and linked to the moveable sash by rope. They function as counterbalances, which allows you to open and shut the window without the need for mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners and then turned into scrap when they break; therefore, you may need to locate replacements.

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

Older windows made of wood are joined by mortise and tenon joints. The wood pegs that keep the components together can be removed by a pin punch and hammer. The majority of these pegs are big on one side and smaller on the other. It is crucial to first remove the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs. They can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised section loose using mallets.

After the sash is released, you can remove the stops on the sash and get access to the weight pockets. Usually it is done by drilling an opening at the bottom of each jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the interior window workings.

After the sash has been stopped and the access panel is removed, you can take off the weight that was previously installed and replace it. Make sure you weigh the sash before you do this, since the weights that were previously used may be different in size from what is needed. Once the new weight is installed you can tie a string around it and thread it through the pulley of the sash. Then, attach the string to your boxed frame. Leave a few inches protruding at the end of the string for future adjustments.

Sash Cords

The majority of double-hung windows with a history have a cord or chain attached to the weights that supports and keeps the sashes balanced within the jamb. Over time, these cords can become damaged and make it impossible to raise the windows. A new sash cord will give you the ability to move the sash upwards and downwards and will keep it in its place when opened.

To replace sash cords the first step is to remove the access panels from the jambs. These are usually attached by nails or screws and need to be removed. It may be possible to remove them using a hammer or chisel, but it is always better to lay out dust sheets prior to starting any work.

After the access panel has been removed, you can start working on the sash. Utilize a flat bar or chisel to pull the small parting beads from their grooves. It is important to be patient as they're often stuck or nailed to the floor. If the sash is still in place, pry out the mortise and tenon joints using the help of a hammer and pin or screwdriver, and then take out the wood pegs attached to each component. You should now be able to move the sash back and forth freely, though it might require oiling if it seems stiff.

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

It's best to leave the original weights if you have purchased a kit that will replace the counterbalance. They're not costly and easy to install if you buy them from salvage shops for architectural use. Based on the size of your window two or three sash weights might be required to keep it open.