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15 Inspiring Facts About Window Sash Repairs You Didn't Know
Window Sash Repairs

Window sashes must be regularly checked for mold, mildew, and damage. You can avoid the cost of repairs in the future by catching problems in the early stages, before they become too much.

The sash is the internal frame that is vertically moved upwards or downwards in windows that open. This article will show you how to perform several simple sash repair.

Weather Stripping

Wood window sashes give a classic aesthetic to your home. If properly maintained, can last for years. However, they can become damaged or degrade in time due to exposure to elements and wear and wear and tear. However, sash repair experts can bring your windows back to their original condition and keep them looking fantastic for longer than replacement windows.

The first step for repair sash windows is to address weather stripping, which can be found on both the sash as well as the frame. If it's damaged or worn out, it can cause drafts, as well as other issues. Start by identifying the window's brand and the manufacturer's date (etched on the glass's corner, or the aluminum spacers between panes). Remove the sash and mark its width and height so you can get replacement weather stripping that matches.

Then, remove the sash from its holder, and place it on flat surfaces to allow you to access all four sides. If your sash has been double-hung, you must remove the weights with their ropes that should have fallen into the pocket inside the jamb lining. After you have removed the sash using the utility knife, you can remove the weather stripping that was left by hand or using a putty knife.

After the sash is cleared, you can replace parting stops. They are long pieces of wood that divide the two sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch window trim from the lumberyard. However, you can also use a piece of scrap wood.

After removing the parting stop and cutting it to length after which, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound using your putty tool and let it dry for at least a day. After it has fully dried and dried, apply a second coat of acrylic latex paint. This will help protect the putty and give your sash a modern appearance.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from time and usage, and the result can 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 quite simple and inexpensive. If a sash becomes difficult to operate you can try spraying some grease into the jamb channel, and then slide it open to see if this solves the issue. If the issue persists it's likely to be due to the sash's balance. You will need to remove the window sash to get access to this part of the hardware.


Window sashes should open and close without much effort. However, this could be difficult if weights are worn out or the sash-to rail meeting rail is not properly glazed. This issue can be caused by a number of reasons, such as lack of maintenance or by a mismatched weight rating for the particular window sash.

If the hinge arms on the window begin to move, this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To address this issue, first make sure the sash is firmly seated in the opening of the frame and then take it out of the window. If the sash is secured to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Due to hinges that are sagging, and a general lack in energy efficiency, older windows especially in older homes, may be difficult to open or close. In most cases, a few simple repairs can transform these windows into smooth operators again and save the homeowner cash on energy costs.

It is important to have the tools you need before you start. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will allow you to put the channel in the correct position after you've finished. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the cords or chains which hold it in place. Heat gun with nozzle shield and a medium setting will soften any putty that has been hardened. Take off the old sash and put it in a bag that is labeled.

find more if your window sash repair needs are to replace a broken cord or to ensure that the windows are functional and functional, replacing worn-out sash weights will improve sash operation and help reduce the energy cost. Sash weights are heavy, lead or iron cylinders that are enclosed in a hidden cavity and connected to the movable sash by a rope. These weights act as counterbalances, allowing you to open and shut the window without requiring mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners, and are turned into scrap when they fail. Consequently you might need to find replacements.

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

Mortise and Tenon joints can be used to join windows made of older wood. Hammers and pins can be used to cut off the wood pegs that hold the parts together. The majority of these pegs are big on one side and smaller on the other. It is important to remove first the smaller diameter sides. Later sashes utilized glue instead of pins. They can be cut with a knife and mallets.

After the sash is removed then you can take out the sash stop and gain access to the weight pocket. Usually this is accomplished by drilling an opening at the bottom of each jamb. The hole is surrounded by a wooden panel that can be removed to reveal the inner workings.

Once the sash is stopped and the access panel has been removed, you are able to remove the weight you used and replace it. First, weigh the sash, as the weights you have may not be of the right size. After the new weight has been installed, you can thread the string through the sash pulling mechanism. Then attach the string to the frame, leaving a few inches of string protruding from the head for future adjustment.

Sash Cords

In the majority of old double-hung windows, a chain or cord is connected to the weights. This helps keep the sashes of the jamb level. Over time, these cords can get damaged and render it impossible to raise windows. A new sash cord will restore the ability to move the sash up and down and hold it in place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are usually attached by nails or screws and must be removed. You could use a hammer or chisel to prise them off, but it's always better to lay down dust sheets before beginning any work.

After the access panel has been removed, you can start working on the sash. Utilize a flat bar or chisel to pull the small parting beads from their grooves. It's important to take your time as they're often wedged or nailed in place. If the sash remains in place, break the mortise and the tenon joints by using pin punch and hammer or screwdriver, then unhook the wood pegs attached to the components. You should be able to move the sash back and forth freely, although it might require lubrication if it feels stiff.

Determine the length of the sash chain or sash cord required to reach the sash slot at the bottom of the pulley located at the top of the jamb. Cut the cord/chain and then fix it as described in the previous step. You can use a hammer, nails or screws. However nails are less likely than screws to cause damage.

If you haven't purchased a kit that replaces the old counterbalance system, it's best to keep the original weights for balancing in place. It's cheap to purchase these from salvage shops for architectural purposes and they will be easy to install once you've got the sash open. Depending on the size of your window one or two sash weights might be required to keep it in an open position.

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