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Window Sash Repairs

Sashes for windows must be inspected regularly for signs of mold, mildew and damage. You can save the cost of repairs in the future by catching problems early on, before they become too much.

The sash is an interior frame that can move upwards and downwards in windows that open. This article will teach you how to perform simple repairs to sash.

Weather Stripping

Wood window sashes add an elegant look to your home. If properly maintained, they will last for many years. However, they can become damaged or degraded with time due to exposure and normal wear and tear. Sash repair specialists can restore windows back to their original condition and maintain their appearance much longer than replacement windows.

The first step for sash window repairs is addressing weather stripping. It's found on both the sash and frame. If it's worn or loose, out, it can lead to drafts, as well as other issues. Begin by identifying the brand of window and the date of manufacture for the glass (etched on the glass's corners or on the aluminum spacers between panes). Remove the sash, and mark its width and height so you can find a replacement weather stripping that matches.

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

Once the sash is clear, you can replace the parting stops. These are long pieces that divide the sashes. Pam likes to replace these with standard 1/2-inch by 3/4-inch window trim from the lumberyard, but you can also replace them with a piece of scrap wood.

After removing the parting stops and trimming them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a few days. When it's completely dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from age and use, and the result can be a window or door that isn't able to open or close easily. It's good to know that replacing and repairing this hardware is often easy and affordable. If a sash is difficult to operate you can try spraying some oil into the jamb channel then open it to see if this solves the issue. If the issue persists it's likely the sash balance. You will need to remove the window sash in order to reach this hardware.

The ideal situation is for window sashes to move open and shut with very little effort, but this is difficult when the weights are worn or if the sash meeting rail isn't properly glazed. This problem can be caused by a variety of factors, including lack of maintenance or by a mismatched weight rating for a particular sash.

If the hinge arms on windows begin to slide, this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To correct the issue, make sure that the sash is centered in the frame opening and then remove it. If the sash has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Windows that are old, especially in older homes, can be difficult to open and close, because of sagging hinges and a general inefficiency. In many cases just a few easy fixes can make these windows operate smoothly again and help homeowners save money on their energy bills.

It is important to have the tools you need before you start. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will allow you to get the channel back in position correctly after you've completed. Remove the sash and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. Heat gun with nozzle shield and a medium setting will soften any hardened glue. Remove the old sash and store it in a bag with a label.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep the windows functional, replacing worn out weights for sash will improve its operation and reduce energy consumption. Sash weights are heavy lead or iron cylinders enclosed inside a hidden compartment and linked to the moveable window sash using rope. These weights act as counterbalances, which allows you to open and shut the window without the need for mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners, and are turned into scrap when they break; therefore, you may need to search for replacements.

It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that fits correctly. You will also require a new piece of string, a length of sash cord and some sash pulleys to tie the new sash weights the sash cord.

Older windows made of wood are joined using mortise and tenon joints. Pin punch and hammer can be used to remove the wood pegs that hold the parts together. Most of these pegs have a large diameter on one side and a smaller diameter on the other, which is why it is crucial to take out the smaller-diameter ones first. Later sashes made use of glue instead of pins. They can be separated by using a knife or a mallet.

Once the sash is freed then you can take out the sash stop and gain access to the weight pocket. This is usually done via an opening at the bottom of every jamb. This hole is covered by an access panel of wood that can be cut off to allow you to observe the inner workings of the frame.

After you have the sash stopped and the access panel removed, you will be able to remove the weight from the sash and replace it with new. Be sure to weigh the sash first, as the weights you have may not be of the right size. Once the new weight is in place then tie a string to it and thread it through the pulley for the sash. Then, nail the string to your boxed frame. Leave a few inches at the head of the string for future adjustments.

Sash Cords

In most old double glazed window repairs near me-hung window, a chain or cord is attached to the weights. This helps keep the sashes within the jamb balanced. As time passes, these cords may break, making it impossible to raise the upvc window repair. A new sash cord can restore the ability to move the sash upwards and downwards and will keep it in its place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. These are usually fixed or screwed in and will require to be removed or relocated. It is possible to take them out using the hammer or chisel however, it is best to lay out dust sheets prior to starting any work.

After you have removed the access panel, you are able to begin working on the sash. Utilize a flat bar or chisel to pull the narrow parting beads out of their grooves. It's important to take your time, as these are often stuck or nailed to the floor. If the sash is still in place, pry out the mortise and the tenon joints by using a hammer and pin punch or screwdriver, then remove the wood pegs attached to each piece. The sash should be able move freely, however it may require some lubrication to make it feel less stiff.

With the sash in an open position Take a measurement of the sash chain to reach from the pulley on the top of the jamb to the sash slot at the bottom. Cut the cord or chain and then secure it in the step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.

It's best to leave the original weights in place unless you have purchased a kit to replace the old counterbalance. It's not expensive to buy these from salvage shops for architectural purposes and they will be easy to install once you have the sash unlocked. Based on the size of your window, one or two sash weights could be needed to keep it in an open position.