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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew, and damage. You can avoid future repair costs by catching the issues early before they become too much.

The sash is the interior framing that moves vertically upwards or downwards in windows that are open. This article will demonstrate how to do a variety of simple repairs to sash.

Weather Stripping

Wood window sashes provide an elegant look to your home. If properly maintained, they can last for many years. However, they can be damaged or degraded over time due to exposure or normal wear. Sash repair experts can restore windows to their original state and maintain their beauty much longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it could cause drafts and other problems. To fix it, start 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). Take the sash off, and mark its size and width so that you can find a new weather stripping that is compatible with the original.

Then, take the sash from its holder, and place it on an even surface that allows you to see all four sides. If your sash has a double-hung, you'll need to remove the weights and their ropes which should have slipped into the pocket of the jamb liner. After removing the sash with the utility knife, take off the weather stripping from the old sash by hand or using a putty blade.

After the sash has been cleared, you can replace the stoppers that separate the two sashes. 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 use a piece of scrap wood.

After removing the stopper and cutting it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth out the compound using your putty knife, window repairs and then let it dry for at least a day. After it has fully dried, apply a top coat of acrylic latex paint. This will protect the putty and give your sash a modern appearance.

Sash Hardware

The hardware that supports window sashes can wear out over time and use. This could result in a door repair or a window that is difficult to open or close. The good news is that fixing and replacing this hardware is typically quite simple and inexpensive. If you're having difficulty opening a sash spray some grease into the jamb channel. Then, you can slide the sash out to see if this resolves the issue. If the issue persists it's likely the sash balance. It is necessary remove the window sash to access the hardware.

The ideal situation is for window sashes to swing open and closed with minimal effort but this can be difficult when the weights are worn or if the sash's meeting rail isn't properly glazed. This issue could be caused by a variety of factors, including the lack of maintenance or a mismatched weight rating for the specific sash.

If the hinge arms of a window are starting to slide, this could cause the sash to slide and eventually strike the frame in the corner that's in the opposite direction of the hinge arm (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 was fixed to the hinge arm, remove the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Due to sagging hinges, and a general deficiency in energy efficiency, older windows particularly those in older homes, may be difficult to open or close. In many cases, a few simple repairs can turn these windows into smooth operation again and save the homeowner cash on energy costs.

To complete these repairs to the sash it is important to have all of the tools needed before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will assist you in getting the channel back into position correctly after you've completed. Remove the sash and take out all the hardware, including the beads for parting cords, chains, and cords that hold the sash in place. Soften any hardened putty with a heat gun set to medium and equipped with a nozzle shield. Take off the old sash and place it in a bag with a label.

Sash Weights

Whether your window sash repairs are to replace a broken cord or to ensure that the windows are functional by replacing worn out weights for sash will improve its operation and reduce energy consumption. Sash weights are made of heavy lead or iron cylinders that are encased in a concealed cavity and are connected via ropes to the moveable window sash. These weights act as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. If they fail, sashweights are often ignored or disabled by homeowners.

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

Older windows made of wood are joined with mortise and tenon joints. The wood pegs that hold the parts together can be removed using pin punches and hammers. Most of these pegs have large diameters on one side and a smaller diameter on the other, which is why it is essential to remove the smaller-diameter sides first. Later sashes made use of glue instead of pins. They can be cut with a knife and mallets.

After the sash is released, you can remove the stops on the sash and get access to the weight pockets. Usually, this is done through an opening at the bottom of each jamb. This hole is covered with the wooden panel which can be removed to reveal the interior workings.

Once you have the sash stopped and the access panel removed, you'll be able to remove the weight of the old sash and replace it with new. Be sure to weigh the sash before you do this, as the old weights could be different in size from what you require. Once the new weight is in place, tie a string to it and thread it through the pulley for the sash. Then nail the string to the boxed frame, but only leave a few inches of string protruding from the head to allow for future adjustments.

Sash Cords

In the majority of old double-hung windows, a chain or cord is connected to the weights. This supports and keeps the sashes in the jamb in a balanced manner. As time passes, these cords may become damaged and make it difficult to raise the windows. A new sash cord will restore the ability to move the sash upwards and downwards 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 installed by screws or nails and must be removed or relocated. You might be able to use a hammer or chisel to remove them, but it's always better to lay down dust sheets prior to commencing any work.

After removing the access panel, you are able to begin to work on the sash. Utilize a flat bar, or chisel to pull the tiny parting beads out of their grooves. It is important to be patient because they are usually wedged or Window Repairs nailed in place. If the sash remains in place, pull the mortise and tenon joints free using a hammer or screwdriver and then take out each wood peg. It should now be possible to move the sash around without difficulty, though it might require oiling if it seems stiff.

Take a measurement of the length of sash cord/chain required to reach the sash slot at the bottom of the pulley located at the top of the jamb. Cut the cord/chain and fix it using the step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.

If you don't have an item that replaces the old counterbalance system, it is recommended to keep the original weights for balancing in place. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you have the sash unlocked. Based on the size of your window one or two sashweights could be needed to keep it in an open position.