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The Unknown Benefits Of Window Sash Repairs
Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew, and damage. If you catch these issues early you can save money on repairs in the future.

The sash is the interior framing that can be moved vertically up or down in windows that are open. This article will teach you how to do simple repairs to sash.

Weather Stripping

Wooden window sashes can give an elegant look to your home. They are also durable and will last for many years provided they are properly maintained. They may, however, get damaged or deteriorated over time due to exposure and normal wear. Fortunately, sash repair specialists can restore your windows to their original condition and maintain their appearance for longer than replacement windows.

The first step to repair sash window damage is to fix weather stripping, which can be found on both the sash and frame. If it's worn or loose, out, it can lead to drafts and other problems. To fix it, begin by determining the brand of your window and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width, so you can find the appropriate weather stripping replacement to match.

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

When the sash is clean, you can replace the parting stops. These are long pieces that split the sashes. Pam likes to replace them with standard 1/2-inch by 3/4-inch window trim from the lumberyard, but you can also use scrap wood.

After removing the stoppers for parting and cutting them to the desired length then 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. When the putty is fully dried and dried, you can apply a topcoat of acrylic. This will help protect the putty, and give your sash a fresh appearance.

Sash Hardware


The hardware that holds window sashes is prone to wearing out from age and use, and the result can be a door or window that isn't able to open or close easily. The good thing is that fixing and replacing this hardware is usually very simple and cost-effective. If a sash isn't easy to operate, try spraying some oil into the jamb channel and then slide it open to see if this fixes the problem. If the issue persists it's most likely the sash balance. You will need to remove the window sash to reach this hardware.

The ideal situation is for window sashes to be able to open and close with minimal effort but this can be an issue if the weights become worn or if the sash that joins rail isn't properly coated. This problem could be caused by a variety of factors that include an absence of maintenance or a mismatched weight rating.

If the hinge arms on windows begin to slide, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To address this problem, first ensure that the sash is firmly seated in the opening of the frame and then remove it from the window. If the sash was fixed to the hinge arm, remove the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, older windows especially in older homes, may be difficult to open or close. Sometimes just a few easy fixes can make these windows operate smoothly once more and help homeowners save money on energy costs.

To make these sash repairs it is essential to have all the tools needed before you begin. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will assist you in getting the channel back in place correctly when you're finished. Take the sash off and take out all the hardware, including the parting beads, cords, and chains that help to hold the sash. Soften any hardened putty with a heat gun set to medium and fitted with a shield to block the nozzle. Take off the old sash and put it in a bag with a label.

Sash Weights

Sash weights are able to be replaced to improve the operation of your window sash and reduce energy costs. Sash weights are heavy, lead or iron cylinders enclosed inside a hidden compartment and connected to the movable the sash with a rope. These weights provide counterbalance, allowing the window to be shut and opened without the need for mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and then turned into scrap when they break; therefore, you may need to search for replacements.

repairing double glazed windows is difficult to recover a sash-weight that has fallen from the cavity, so you'll need to find one that fits properly. You will also require a new piece string, a length sashcord and a few sashpulleys for tying the new weights to the cord.

Mortise and Tenon joints can be used to join windows made of older wood. Hammers and pins can be used to take out the wood pegs holding the components together. The majority of these pegs have an enormous diameter on one side and a smaller diameter on the other, so it is crucial to take out the smaller-diameter ones first. Later sashes used glue instead of pins. They can be separated by using a knife or mallets.

Once the sash has been removed, you can take off the sash stops and access the pockets for weights. This is typically done by drilling a small hole in the bottom of each jamb. The hole is then covered with an unfinished wooden panel that can be removed to reveal the inside workings.

After you have the sash stopped and the access panel removed, you will be able to take off the weight of the old sash and replace it with the new. Make sure you weigh the sash before you do this, since the old weights could be different sizes than the one you need. Once the new weight is installed then tie a string to it and thread it through the pulley of the sash. Then nail the string to the boxed frame, but leave a few inches of string protruding from the head to allow for future adjustments.

Sash Cords

The majority of double-hung windows with a history have a cord or chain attached to the weights which helps keep the sashes level 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 keep it in place when opened.

The first step in replacing sash cords is to locate and remove the access panels in the jambs. They are usually nailed or screwed in and will need to be removed or relocated. It is possible to take them out using an axe or hammer, but it is always better to lay out dust sheets before beginning any work.

Once the access panel is removed, you can begin working on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves with a chisel or flat bar. They are usually wedged in or nailed in, but they can be prised free and it's worth your time. If the sash is still in place, pry out the mortise and tenon joints with a hammer and pin punch or screwdriver, then remove the wood pegs that are on each piece. The sash should move freely now, but it might require some lubrication to make it feel less stiff.

Take a measurement of the length of the sash chain or sash cord required to reach the sash slot on the bottom from the pulley at the top of the jamb. Cut the cord or chain and attach it in Step 6 above. You can employ a hammer, screws or nails, however nails are less likely to cause damage.

If you haven't purchased an item that replaces the old counterbalance system, it is recommended to keep the original balancing weights in place. It's not expensive to buy them from architectural salvage stores and they'll be easy to install once you've got the sash unlocked. Depending on the size of your window one or two sashweights could be needed to keep it open.

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