The Most Popular Window Sash Repairs The Gurus Are Using 3 Things Window Sash Repairs

Make sure to check the sashes of your windows regularly for signs of damage, mildew and mold. You can reduce future repair costs by catching problems in the early stages before they become too much.

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

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also sturdy and last for a long time if they are properly maintained. However, they can be damaged or degraded as time passes due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original condition and keep them looking great much longer than replacement windows.

The first step in sash window repair s is addressing weather stripping. It's found on both the sash as well as the frame. It could cause drafts if worn or loose. Begin by identifying the window brand and the date of manufacture for the glass (etched on the glass's corner or the aluminum spacers between panes). Take the sash off, and mark its width and height so you can find a new weather stripping that is compatible with the original.

Next, remove the sash and set it on a table so you can access all four sides. If your sash has a double-hung, you'll have to take off the weights and their accompanying ropes that should have fallen into the pocket of the jamb liner. After removing the sash with the utility knife, you can remove the weather stripping that was left by hand or using the putty blade.

When the sash is clean, you can replace the parting stops. These are long pieces wood that separate the two sashes. Pam prefers standard 1/2-inch by 3/4-inch window trim from the lumberyard. But, you can substitute a scrap piece of wood.


After removing the parting stop and trimming it to length after which, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife, and then let it dry for a minimum of a day. When the putty is fully cure and dried, you can apply a topcoat of acrylic latex. 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 due to the wear and tear of use and the result could be a window or door that isn't able to open or close easily. The good thing is that fixing and replacing this hardware is generally relatively easy and affordable. If a sash becomes difficult to operate try spraying grease into the jamb channel then open it to see if it resolves the issue. If the issue persists it's likely to be due to the sash's balance. It is necessary to remove the window sash in order to reach this hardware.

Window sashes should be able to open and close with minimal effort. However, this may be difficult if weights are worn out or the sash connecting rail isn't covered with. This problem could be caused by various reasons such as a lack of maintenance and a mismatched weight rating.

If the hinge arms of a window are beginning to slide, this could cause the sash to slide and eventually land on the frame in the corner opposite the hinge arm (Photo 1). To fix this problem, first ensure that the sash is firmly seated in the opening of the frame and then take it out of the window. If the sash is attached to the hinge arm, take it off the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Old windows, especially those in older houses, can be difficult to open and close, due to hinges that are sagging and a general lack of energy efficiency. Many times, a few simple fixes can allow these windows to operate smoothly again and help homeowners save money on their energy bills.

In order to make these sash repairs it is important to have all the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will help you to position the channel in the right 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. Heat gun with nozzle shield 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 are able to be replaced to enhance the efficiency of your window sash and reduce the cost of energy. Sash weights are heavy lead or iron cylinders enclosed in a hidden cavity and attached to the movable sash by rope. They function as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. When they fail, sashweights are usually neglected or not used 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 fits correctly. You will also require a new piece of string, a length of sashcord and a few sashpulleys for tying the weights you are replacing to the cord.

Mortise and Tenon joints can be used to join old wood windows. Pin punch and hammer can be used to cut off the wood pegs that hold the parts together. The majority of them are large on one side, but smaller on the other. It is important to first remove the smaller diameter sides. Later sashes utilized glue instead of pins. They can be cut by using a knife and mallet.

After the sash has been removed then you can take out the sash stop and gain access to the weight pocket. Usually, this is done through an opening at the bottom of each jamb. The hole is then covered with an access panel of wood which can be removed to allow you to view the inside of the frame.

When the sash has been shut off and the access panel has been removed, you are able to remove the weight you used and replace it. Make sure you weigh the sash before you do this, since the weights that were previously used may be different sizes than what you require. After the new weight is installed, run a string through the sash pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches of space at the end of the string to allow future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is connected to the weights. This keeps the sashes within the jamb level. As time passes, these cords may break, making it impossible to raise the window. 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.

The first step to replace sash cords is to find and remove the access panels within the jambs. They are usually nailed or screwed in and will require to be removed or moved. You may be able to use a hammer or chisel to prise them off, but it's always better to lay down dust sheets prior to starting any work.

Once the access panel is removed, you can begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. It is essential to take your time as they're often wedged or nailed in place. If the sash remains in place, remove the mortise and tenon joints using pin punch and hammer or screwdriver, then unhook the wood pegs attached to each piece. The sash should move freely now, but it may require some lubrication in order to feel less stiff.

With the sash open, measure enough sash cord/chain to reach from the pulley on the top of the jamb to the sash slot on the bottom. Cut the cord or chain and attach it in Step 6 above. You can do this with a hammer, nails, or screws. However, nails are less likely to cause damage.

Unless you've bought an upgrade kit to replace the old counterbalance system, it is recommended to keep the original weights for balancing in place. They're not expensive and easy to install if you purchase them from architectural salvage stores. Based on the size and shape of your window you might need to install one or two sashweights to keep the sash open.