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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. By catching problems before they become serious you will save money on repairs in the future.

The sash is an internal frame that is able to move upwards and downwards in windows that are open. This article will show you how to perform easy repairs to your sash.

Weather Stripping

Wooden window sashes can give a classic look to your home. They are also sturdy and will last for many years provided they are properly maintained. However, they can get damaged or deteriorated over time due to exposure and normal wear. Sash repair specialists can restore windows back to their original condition and maintain their beauty longer than replacement windows.

Weather stripping is the most important thing to address when repairing sash windows. It's on both the frame and the sash. It can cause drafts if worn or loose. To fix it, begin by determining the brand of your window and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash, and mark its size and width so that you can get replacement weather stripping that matches.

Then, take the sash from its holder and place it on an even surface that allows you to reach all four sides. If the sash is double-hung, you'll have to take off the weights and the ropes that go with them which should have slipped into the intended pocket in the jamb liner. After you have removed the sash using the utility knife, take off the old weather stripping by hand or using a putty knife.

Once the sash is clear it is time to replace the parting stops. These are long pieces wood that divide the two sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch upvc window repairs trim from the lumberyard, however you can also replace them with scrap wood.

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth the compound using your putty tool, and let it dry at least a day. Once the putty has fully cured and dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes can wear out over time and use. This could lead to windows or doors that is difficult to open or close. It's important to know that replacing and repairing this hardware is often straightforward and cost-effective. If you're having trouble opening a sash spray some grease into the jamb channel. Then, you can slide the sash up and open to see if this resolves the problem. If the issue continues it's likely the sash balance. It is necessary remove the window sash in order to access the hardware.

Window sashes need to be able to open and close with minimal effort. However, this may be difficult if the weights are worn out or the sash-to-rail connecting rail isn't properly coated. This issue could be caused by a number of reasons, such as lack of maintenance or by the wrong weight rating for a particular window sash.

If the hinges on the window begin to move, this can cause the sash drag, and then eventually to hit the frame in the opposite corner (Photo 1). To remedy the issue, make sure that the sash is aligned in the frame's opening and take it off. If the sash has been attached to the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

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

It is essential to have the tools needed before you start. Begin by marking the position of the hinge channel on the frame with a pencil (Photo 1). This will make it easier to put the channel in the correct place when you are finished. Remove the sash and take out all the hardware, including the parting beads, cords, and chains that help to hold the sash. A hot gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash and keep it in a labeled bag.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or simply to ensure that the windows are functional by replacing worn out weights for sash will improve its operation and reduce the energy cost. Sash weights are hefty lead or iron cylinders, which are enclosed in a hidden cavity and linked to the moveable window sash using rope. They are counterbalancers, allowing the window to be closed and opened without the need for mechanical or electrical devices. When they fail, sashweights are often left unnoticed or disabled by homeowners.

A weight from a sash that fell out of the cavity is difficult to get back, so you will want to locate a new one that is suitable for the. You will also require a new piece of string, a length sash cord and double some sash pulleys to tie the new sash weights onto the sash cord.

Mortise and Tenon joints are used to join windows made of older wood. Hammers and pins can be used to take out the wood pegs holding the parts together. Most of them have large diameters on one side and a smaller size on the other, which is why it is essential to remove the smaller-diameter ones first. Later sashes used glue instead of pins. They can be separated with a knife and mallet.

Once the sash has been released, you can remove stops on the sash and get access to the weight pockets. This is typically done by drilling a small hole in 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.

After the sash has been stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with new. Make sure you weigh the sash before you do this, since the old weights may be different sizes than what is needed. After the new weight has been installed, run the string through the sash pulling mechanism. Then nail the string to the boxed frame, but leave a few inches of string protruding from the head to allow for future adjustments.

Sash Cords

Most old double-hung windows come with a chain or cord connected to the weights that keeps the sashes balanced in the jamb. As time passes, these cords can become damaged and make it impossible to raise windows. A new sash cable will give you the ability to move and lower the sash and keep it in position when opened.

The first step in replacing cords for sash is to locate and remove the access panels within the jambs. They are typically screwed or nailed in and require removal. It may be possible to remove them using the hammer or chisel however, it is best to lay out dust sheets before beginning any work.

After the access panel has been removed, you can begin working on the sash. Make the small parting beads (also called "tie rails") out of their grooves with flat bar or chisel. It's important to be patient because they are usually placed in a wedge or nail. If the sash remains in place, double break the mortise-and tenon joints with a hammer or screwdriver, then remove each wood peg. You should be able to move the sash around freely, although it might require oil if it feels stiff.

Take a measurement of the length of sash cord/chain required to reach the sash slot on the bottom, and the pulley at the top of the jamb. Cut the chain or cord and secure it in Step 6 above. You can use a hammer, nails, or screws. However, nails are less likely to cause damage.

It's best to leave the original weights in place unless you have purchased a kit to replace the counterbalance that was previously installed. They're not costly and are easy to install if you buy them from salvage shops for architectural use. Based on the dimensions and shape of your window you may require one or two sashweights in order to keep the sash open.