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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew, and damage. If you catch these issues early you can save money on future repairs.

The sash is an inside frame that is able to move upwards and downwards in windows that open. This article will teach you how to do easy repairs to your sash.

Weather Stripping

Wooden window sashes can give an elegant look to your home. They are also durable and will last for many years if they are properly maintained. However, they can become damaged or degraded with time, due to exposure and normal wear and tear. Fortunately, sash repair specialists can restore your windows back to their original condition and keep them looking fantastic for much longer than newer replacement windows.

The first step to repair sash windows is to address weather stripping, which is found on both the sash and frame. If it's worn or loose, out, it can cause drafts and other problems. Start by identifying the brand of window and the glass manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Then, remove the sash and mark its width and height so that you can locate replacement weather stripping to match.

Then, remove the sash from the holder and place it on an even surface that allows you to access all four sides. If the sash is double-hung, you'll have to remove the weights as well as the ropes that go with them which should have slipped into the pocket that was intended to be in the jamb liner. Once you've removed the sash, use a utility knife to cut away the old weather stripping at the corners, and then remove it manually or with a putty knife.

After the sash has been cleared, you can replace parting stops. These are long pieces wood that separate the two sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, however you can also use scrap wood.

After removing the parting stop and cutting it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth the compound using your putty knife, and let it dry at least a day. When it's completely dried then apply a top coat of acrylic latex paint. This will help protect the putty, and give your sash a fresh appearance.

Sash Hardware

The hardware that holds the windows sashes can become worn out with time and use. This could result in the window or door that is difficult to open or close. It's a good idea to know that replacing and repair of this hardware is typically simple and inexpensive. If a sash is difficult to operate you can try spraying some lubrication into the jamb channel then open it to see if it fixes the problem. If not, the problem is likely to be with the sash balance and you'll need to remove the sash to access this hardware.

The ideal situation is for window sashes to swing open and closed without effort, but this is an issue when the weights are worn or if the sash that joins rail isn't properly coated. This problem can be caused by a number of things, such as insufficient maintenance or a mismatched weight rating for a particular sash.

If the hinges on windows begin to slide, this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To correct the issue make sure the sash is centered in the frame's opening and take it off. If the sash is secured to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Because of sagging hinges and a general lack of energy efficiency, windows that are old especially in older houses, could be difficult to open and close. In most cases, a few simple repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy costs.

It is essential to have the tools you require before you begin. Begin by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will make it easier to put the channel in the proper position after you've finished. Remove the sash and take out all the hardware, including the parting beads, cords, and chains 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 place it in a bag that is labeled.

Sash Weights

Sash weights can be replaced to improve the operation of your window sash and reduce the cost of energy. Sash weights are hefty lead or iron cylinders that are enclosed in a hidden cavity and attached to the movable upvc window repair sash using rope. These weights provide counterbalance that allows the window to be closed and opened without using mechanical or electrical devices. When they fail, sashweights are often left unnoticed or disabled by homeowners.

A sash weight that has fallen out of the cavity is difficult to get back and you'll need to find a new one that fits correctly. You will also require a new piece string, a length of sashcord and a few sashpulleys to secure the new weights to the cord.

Older wood windows are joined by mortise and tenon joints. Hammers and pins can be used to take out the wood pegs holding the parts together. The majority of them are large on one side, but smaller on the other. It is essential to first remove the smaller diameter sides. Later sashes made use of glue instead of pins. They can be separated by using a knife or mallet.

Once the sash has been removed, you can take off the stops on the sash and get access to the weight pockets. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is then covered with a wooden access panel 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'll be able to remove the old sash weight and replace it with new. Make sure you weigh the sash before you do this, as the weights that were previously used may be different sizes than the one you need. Once the new weight is installed you can tie a string around it and then thread it through the pulley for the sash. Then, you can attach the string to your boxed frame. Leave a few inches at the top of the string to allow for future adjustments.

Sash Cords

Most old double-hung windows include a chain or cord attached to the weights that helps keep the sashes level in the jamb. As time passes, these cords may break, making it impossible to raise the window. A new sash cable will restore the ability to raise and lower the sash and ensure it stays in place when opened.

To replace sash cords the first step is to remove the access panels from the jambs. These are usually nailed or screwed in and must be removed or repositioned. It is possible to remove them using an axe or hammer, but it is always best to lay out 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 narrow partsing beads out of their grooves. They are typically wedged into or nailed, but they can be prised free which is why it's worth your time. If the sash remains in place, pry the mortise-and-tenon joints out using a hammer or screwdriver, then remove each wood peg. You should now be able to move the sash around without difficulty, though it may require oil if it feels stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to reach from the pulley in the top of the jamb to the sash slot in the bottom. Cut the chain or cord and fix it as described in Step 6 above. You can either employ a hammer and nail or screws, but nails are less likely to cause damage.

It is recommended to keep the original weights in place unless you've purchased a kit to replace the counterbalance that was previously installed. They're not costly and simple to install if purchased them from salvage shops for architectural use. Based on the size of your window repair, one or two sashweights may be needed to keep the sash in an open position.