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Window Sash Repairs Tips From The Best In The Business
Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. You can reduce future repair costs by catching problems early before they become too much.

The sash is an inside frame that moves upwards and downwards in windows that open. This article will teach you how to do a variety of simple repairs to the sash.

Weather Stripping

Wood window sashes provide the classic look to your home and, when properly maintained, they can last for a long time. However, they may become damaged or deteriorate over time due to exposure to the elements and normal wear and wear and tear. However, sash repair experts can bring your windows back to their original condition and keep them looking fantastic for much longer than newer replacement windows.

Weather stripping is the primary thing to address when repairing sash windows. It's on both the frame and sash. It can cause drafts if it's worn out or loose. Start 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). Then, remove the sash and mark its height and width so that you can locate replacement weather stripping to match.

Then, you can remove the sash from its holder and place it on a flat surface to allow you to reach all four sides. If your sash has been double-hung, remove the ropes and weights that should have fallen into the pocket inside the jamb lining. Once you've removed the sash and the weights, use a utility knife to cut away the weather stripping that was formerly in place at the corners, then take it off by hand or with a putty knife.

After the sash is cleaned, you can replace the stoppers that separate the two sashes. These are long pieces wood that are used to separate the two sashes. Pam likes to replace them 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 stoppers for parting and trimming them to the desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. window repairs with your putty knife, then let it dry for a minimum of a day. After it has fully dried and dried, apply a second coat of acrylic latex paint. This will protect the putty, and give your sash a fresh look.

Sash Hardware

The hardware that holds the window sashes can wear out with 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 usually very simple and cost-effective. If you are having trouble opening a sash spray some lubricant into the jamb channel. Then, you can slide the sash out to see if it resolves the issue. If not, the problem is most likely due to the sash balance, and you'll have to take off the sash to gain access to the hardware.

Window sashes should open and close with little effort. However, this can be a challenge if the weights have been worn out or the sash-to-rail meeting rail is not properly glazed. This issue could be caused by many factors such as a lack of maintenance and an unmatched weight rating.

If the hinges on windows begin to slide, this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To address this problem, first ensure that the sash is firmly seated in the frame's opening and then remove it from the window. If the sash is screwed onto the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Because of sagging hinges and a general lack of energy efficiency, windows that are old especially in older homes, may be difficult to open or close. Sometimes, a few simple fixes can make these windows operate smoothly again and help homeowners save 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) with pencil. This will allow you to get the channel back into the correct position after you've finished. Remove the sash and take off the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. Heat gun with nozzle shield and a medium setting will soften any putty that has been hardened. Remove the old sash, and store it in an bag with a label.

Sash Weights

If your window sash repairs are to replace a damaged cord or just to keep your windows functioning, replacing worn out weights on sash can improve sash operation and help reduce energy costs. Sash weights are hefty lead or iron cylinders that are enclosed inside a hidden compartment and connected to the movable the sash with a rope. These weights function as counterbalances, which allows you to open and close the window without having to use mechanical or electrical devices. When they fail, sashweights are often ignored or disabled by homeowners.


A weight from a sash that fell out of the cavity is difficult to retrieve It is therefore important to find a new one that fits properly. You will also require an additional piece of string, a length of sash cord and some sash pulleys to tie the new sash weights onto the sash cord.

Older wood windows are joined using mortise and tenon joints. The wood pegs holding the parts together can be removed using the use of a pin punch and hammer. Most of them have a large diameter on one side and a smaller one on the other side, so it is important to remove the smaller-diameter sides first. Sashes that were made later in the century utilized glue instead of pegs. They can be separated by cutting through the glue line using an instrument, and then tapping the mortised area loose using mallets.

After the sash is released, you can remove sash stops and gain access to the weight pockets. This is typically done by drilling tiny holes at the bottom of each jamb. The hole is then covered with a wooden panel that can be removed to reveal the inner workings.

After 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. Be sure to weigh the sash first to ensure that the weights you have might not be of the right size. Once the new weight is installed then tie a string to it and then thread it through the pulley of the sash. Then nail the string to the frame, but only leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

In the majority of double-hung windows the chain or cord is connected to the weights. This supports and keeps the sashes within the jamb in a balanced manner. Over time these cords can break, making it difficult to raise the window. A new sash cable will restore the ability to raise and lower the sash and keep it in place when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. These are usually screwed or nailed in and need to be removed. You may be able to employ a hammer and chisel for removing them however, it is always best 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 small partsing beads out of their grooves. It is essential to take your time, as these are often stuck or nailed to the floor. If the sash remains in place, break the mortise-and tenon joints using a hammer or screwdriver and then take out each wood peg. The sash should move around freely now, however it may need some lubrication in order to feel less stiff.

Take a measurement of the length of sash chain/sash cord required to reach the sash slot at the bottom from the pulley at the top of the jamb. Cut the cord or chain and attach it in the previous step. You can use either a hammer, nails or screws. However, nails are less likely than screws to cause damage.

It is recommended to keep the original weights in place unless you've purchased a kit that will replace the old counterbalance. It's cheap to purchase them from architectural salvage stores and they'll be simple to install once you have the sash unlocked. Based on the size and shape of your window you may need to use one or two sashweights to keep the sash open.

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