Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and damage. You can avoid the cost of repairs in the future by catching the issues early before they become out of control.

The sash is an internal frame that can move up and down vertically in windows that are open. This article will teach you how to do simple sash repairs.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. If properly maintained, can last for years. They may, however, become damaged or degraded with time due to exposure or normal wear. However, sash repair experts can restore your windows back to their original condition and keep them looking great for a longer period of time 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. If it's worn or loose, Double out, it can lead to drafts and other problems. Begin by identifying the window brand and the manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Take the sash off and mark its size and width so that you can purchase new weather stripping that is compatible with the original.

Then, you can remove the sash from its holder and place it on an even surface that allows you to see all four sides. If your sash has a double-hung, you'll need to remove the weights as well as the ropes that go with them that should have fallen into the pocket of the jamb liner. Once you've removed the sash using a utility knife, you can use it to cut away the weather stripping from 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 that separate the sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. However, you could substitute a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound using a putty tool, and let it dry at least one day. Once the putty has fully cure and dried, you can apply a topcoat of acrylic. This will help protect the putty, and give your sash an updated look.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from the wear and tear of use and the result could be a door or window that can't be opened or closed easily. The good news is that fixing and double replacing this hardware is generally relatively easy and affordable. If a sash is difficult to operate you can try spraying some grease into the jamb channel then slide it open to see if it resolves the issue. If the issue continues it's likely that the sash balance is off. You'll need to remove the window sash to get access to this part of the hardware.

window replacement sashes need to be able to open and close with minimal effort. However, this can be a challenge if the weights have been worn out or the sash-to rail connecting rail isn't glazed. This problem can be caused by a variety of factors, including lack of maintenance or by the wrong weight rating for the specific sash.

If the hinge arms on windows begin to slide, this can cause the sash drag, and then eventually to hit the frame in the opposite corner (Photo 1). To fix the problem make sure the sash is in the proper position within the frame opening and then remove it. If the sash has been screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Old windows, especially those in older homes, can be difficult to close and open due to hinges that are sagging and an overall inefficiency. Sometimes it is a matter of making a few minor adjustments that can help these windows function smoothly and save homeowners money on energy bills.

It is crucial to have the tools you require before you begin. Mark the hinge channel's location on the frame (Photo 1) using pencil. This will allow you to put the channel in the right position after you've finished. Then, remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that secure it. Soften any hardened putty using the help of a heat gun set at medium and fitted with an shield for the nozzle. Take off the old sash and place it in a bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep the windows functional, replacing worn out sash weights will improve sash operation and reduce energy consumption. Sash weights are heavy, lead or iron cylinders enclosed inside a hidden compartment and connected to the movable the sash with a rope. These weights function as counterbalances and allow you to open and shut the window without having to use mechanical or electrical devices. When they fail, sashweights are often left unnoticed or disabled by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to get back, so you will want to find a replacement that is suitable for the. You will also require a fresh piece of string, a length sashcord and some sashpulleys to tie the weights you are replacing 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. Most of them have large diameters on one side and a smaller one on the other, so it is essential to remove the smaller-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting the glue line with a knife, then tapping the mortised part loose with mallets.

Once the sash is freed then you can take out the sash stop and gain access to the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. This hole is then covered by a wooden access panel that can be cut off to let you view the inside of the frame.

Once the sash is stopped and the access panel is removed, you can take off the weight that was previously installed and replace it. Be sure to weigh the sash first because the weights you have might not be of the right size. Once the new weight has been installed, run the string through the sash pulling mechanism. Then, you can nail the string to the frame, but leave a few inches of string protruding from the head for future adjustment.

Sash Cords

Most old double-hung windows have a cord or chain attached to the weights that supports and keeps the sashes level within the jamb. Over time, these cords could break, making it impossible to raise the window. 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 in and require removal. It is possible to take them out using the hammer or chisel but it is always best to lay out dust sheets prior to beginning any work.

Once the access panel is removed, you can start working on the sash. Utilize a flat bar or chisel to pry the tiny parting beads from their grooves. It is important to be patient, as these are often wedged or nailed in place. If the sash is in place, remove the mortise and tenon joints with a hammer and pin punch or screwdriver, then remove the wood pegs that are on each component. You should be able to move the sash around freely, although it might require oil if it feels stiff.

With the sash open Take a measurement of the sash chain to extend from the pulley in the top of the jamb to the sash slot at the bottom. Cut the cord or chain and fix 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.

Unless you've bought an item that replaces the old counterbalance system it's recommended to keep the original weights for balancing in place. They're not costly and simple to install if purchased them at architectural salvage stores. Depending on the size and shape of your window you might need to install one or two sashweights to keep it open.