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8 Tips For Boosting Your Window Sash Repairs Game
Window Sash Repairs

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

The sash is an interior framing that can be moved vertically up or down in windows that are open. This article will demonstrate how to do a variety of simple repairs to sash.

Weather Stripping

Wood window sashes add an elegant look to your home. If properly maintained, they will last for a long time. However, they can become damaged or degrade as time passes because of exposure to the elements and normal wear and wear and tear. However, sash repair experts can restore your windows to their original condition and maintain their appearance for longer than replacement windows.


The first step in repair sash window damage is to fix weather stripping. It's found on both the sash as well as the frame. It can cause drafts if it's damaged or is 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 width and height so that you can find a new weather stripping that is compatible with the original.

Then, remove the sash and set it on a work surface so that you can reach all four sides. If the sash is double-hung, you'll also need to remove the weights and their ropes that should have fallen into the pocket of the jamb liner. Once you've removed the sash and the weights, use a utility knife to cut away the weather stripping from the corners, then take it off by hand or using a putty blade.

Once the sash has been cleared, you can replace parting stops. These are long pieces that divide the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard. However, you can also replace them with scrap wood.

After removing the parting stops and cutting them to the desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, then let it dry for at least a few days. Once the putty has fully cured, you can apply an acrylic latex topcoat. This will help protect the putty, and give your sash an updated appearance.

Sash Hardware

The hardware that supports windows sashes can become worn out over time and use. This could result in the window or door that is difficult to open or close. The good news is that fixing and replacing this hardware is generally very simple and cost-effective. If a sash is 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 continues, it is most likely to be due to the sash's balance. It is necessary remove the window sash to access the hardware.

Ideally, window sashes should move open and shut with minimal effort but this is a difficult task when the weights are worn or if the sash's meeting rail isn't properly glazed. This issue can be caused by a variety of things, such as the lack of maintenance or an incorrect weight rating for the specific window sash.

If the hinge arms of a window begin to lose their elasticity, this could cause the sash to slide and eventually land on the frame in the corner that's opposite the hinge arm (Photo 1). To fix window repairs Margate , make sure that the sash is aligned in the frame's opening and remove it. If the sash is screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Due to sagging hinges, and a general lack of energy efficiency, windows that are old, especially those in older houses, could be difficult to open or close. In many instances, a few minor repairs can turn these windows into smooth operation for the first time and save the homeowner money on energy bills.

It is crucial to have the tools you require before you begin. Start by marking the location of the hinge channel on the frame using pencil (Photo 1). This will allow you to place the channel in the proper location after you've completed. Remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. A hot gun with nozzle shield and a medium setting can soften any hardened glue. Take off the old sash and keep it in a labeled bag.

Sash Weights

Sash weights can be changed to improve the operation of your window sash and decrease energy costs. Sash weights are hefty lead or iron cylinders that are enclosed in a concealed cavity and connected to the movable window sash using rope. These weights act as counterbalances, allowing you to open and shut the window without requiring mechanical or electrical devices. When they fail, sashweights are often left unnoticed or disabled by homeowners.

A sash weight that has fallen out of the cavity is difficult to recover and you'll need to locate a new one that fits properly. You will also require a fresh piece of string, a length of sashcord and a few sashpulleys for tying the weights you are replacing to the cord.

Older wood windows are joined by mortise and tenon joints. Pin punch and hammer can be used to take out the wood pegs that hold the components together. Most of these pegs have an enormous diameter on one side and a smaller diameter on the other side, so it is crucial to take out the smaller-diameter ones first. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised area loose using mallets.

Once the sash has been released, you can remove the sash stops and gain access to the pockets for weights. This is usually done through tiny holes in the bottom of each jamb. The hole is then covered with an unfinished wooden panel that can be removed to reveal the interior workings.

After the sash has been stopped and the access panel has been removed, you can remove the weight that was previously installed and replace it. Be sure to weigh the sash prior to you begin, as the old weights may be a different size than what you require. Once the new weight is installed then tie a string to it and thread it through the pulley of the sash. Then attach the string to the boxed frame, but leave a few inches of string hanging from the head to allow for future adjustments.

Sash Cords

In the majority of old double-hung windows, a cord or chain is attached to the weights. This keeps the sashes of the jamb balanced. As time passes, these cords may become damaged and make it difficult to raise windows. A new sash cable can restore 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 typically nailed or screwed in and must be removed or moved. You could use a hammer and chisel to prise them off, but it's always better to lay down dust sheets prior to commencing any work.

Once the access panel is removed, you can begin working on the sash. Utilize a flat bar or chisel to pry the tiny parting beads out of their grooves. They are usually wedged in or nailed in, but they can be snipped out which is why it's worth your time. If the sash is still in place, pull the mortise and tenon joints free with a screwdriver or hammer, then remove each wood peg. The sash should move freely now, but it might require some lubrication to feel less stiff.

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

If you haven't purchased a kit that replaces the old counterbalance system, it is recommended to keep the original balancing weights in place. It's not too expensive to purchase these from salvage shops for architectural purposes and they will be easy to install once you have the sash open. Depending on the dimensions and shape of your window you may require one or two sashweights in order to keep the sash open.