15 Unexpected Facts About Window Sash Repairs That You've Never Heard Of Window Sash Repairs

Check the windows sashes regularly for signs of damage, mildew and mold. If you catch these issues early, you can save money on future repairs.

The sash is the interior frame that is vertically moved up or down in windows that are open. This article will show you how to do easy repairs to your sash.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home. If properly maintained, can last for years. They may, however, be damaged or degraded over time, due to exposure and normal wear. Fortunately, window repair near me can restore your windows to their original condition and maintain their appearance for a longer period of time than replacement windows.

Weather stripping is the first aspect to consider when you are repairing sash windows. It's located on both the frame and sash. If it's loose or worn out, it can cause drafts, as well as other issues. To fix it, begin by determining your window's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its width and height, so you can find new weather stripping that matches.

Then, remove the sash from the holder and place it on an even surface that allows you to reach all four sides. If your sash was double-hung, remove the weights using their ropes that should fall into the pocket in the jamb lining. After removing the sash with the utility knife, take off the weather stripping that was left by hand or using a putty blade.


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

After removing the stoppers for parting and trimming them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife, then let it dry for at least a day. After the putty has completely cure and dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that supports the windows sashes can become worn out over time and with use. This can result in windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is usually quite simple and inexpensive. If a sash becomes difficult to operate you can try spraying some lubrication into the jamb channel, and then slide it open to see if it solves the issue. If not, the issue is likely with the balance of the sash and you'll have to take off the sash in order to access this hardware.

Window sashes need to open and close without much effort. However, this can be difficult if the weights are worn out or the sash connecting rail isn't glazed. This issue could be caused by a variety of factors, including lack of maintenance or by the wrong weight rating for the particular sash.

If the hinge arms of a window are beginning to slide, this could cause the sash's to drag and eventually hit the frame in the corner directly opposite the hinge arm (Photo 1). To correct the issue make sure the sash is in the proper position within the frame's opening and take it off. If the sash has been screwed onto the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Due to sagging hinges, and a general lack in energy efficiency, older windows, especially those in older homes, may be difficult to open or close. In many instances, a few easy repairs can transform these windows into smooth operators again and save the homeowner money on energy costs.

It is essential to have the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using pencil. This will allow you to position the channel in the correct location after you've completed. Remove the sash and then remove all hardware including the parting beads, cords, and chains that hold the sash in place. The nozzle shield of the heat gun and 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 changed to enhance the efficiency of your window sash, and also reduce energy costs. Sash weights are made of heavy lead or iron cylinders that are enclosed inside a concealed cavity, and are connected via ropes to the movable window sash. These weights function as counterbalances, which allows you to open and shut the window without the need for mechanical or electrical devices. When they fail, sashweights are often ignored or disabled by homeowners.

It's not easy to retrieve an sash-weight which has fallen from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length of sash cord, and a few sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints can be used to join windows made of older wood. Pin punch and hammer can be used to take out the wood pegs that hold the parts together. The majority of them have an enormous diameter on one side and a smaller size on the other side, so it is essential to remove the small-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs. They can be separated by cutting the glue line with a knife, then tapping the mortised area loose using mallets.

After the sash has been removed and removed, you can take off the sash stop and gain access to the weight pocket. This is typically done by drilling an opening at the bottom of every jamb. This hole is covered by a wooden access panel that can be cut off to let you see 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. First, weigh the sash, as the weights you have might not be of the right size. After the new weight has been installed, you can thread the string through the sash pulling mechanism. Then, you can attach the string to your boxed frame. Leave a few inches protruding at the top of the string to allow for future adjustments.

Sash Cords

The majority of double-hung windows with a history include a chain or cord connected to the weights that keeps the sashes in balance in the jamb. As time passes, these cords may break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash upwards and downwards and will keep it in its place when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are typically fixed or screwed in and will require to be removed or repositioned. You could use a hammer or chisel to remove them but it's best to lay down dust sheets prior to starting any work.

After you have removed the access panel, you can begin to work on the sash. Utilize a flat bar or chisel, to pry the small partsing beads out of their grooves. It is important to be patient as they're often stuck or nailed to the floor. If the sash remains in place, pry the mortise-and-tenon joints out with a screwdriver or hammer, then remove each wood peg. The sash should be able to move around freely now, however it might require some lubrication to feel less stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to extend from the pulley in the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then attach it in Step 6 above. You can use either a hammer, nails or screws. However nails are less likely to cause damage.

It's best to leave the original weights if you've purchased a kit to replace the counterbalance. They're not expensive and simple to install if purchased them from architectural salvage stores. Based on the dimensions and shape of your window, you might need to install one or two sashweights to keep it open.