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Window Sash Repairs

Regularly inspect the window sashes for signs of damage, mildew and mold. You can avoid the cost of repairs in the future by catching these issues in the early stages, before they become out of control.

The sash is an internal frame that moves up and down vertically in windows that open. This article will show you how to make several simple sash repairs.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. If properly maintained, they can last for years. They can, however, be damaged or degraded over time due to exposure and normal wear and tear. Sash repair specialists can restore windows to their original condition and maintain their appearance much longer than replacement windows.

The first step in sash upvc window repairs near me repairs is addressing weather stripping. It's found on both the sash and frame. It can cause drafts if it's damaged or is loose. To fix it, start 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). Remove the sash, and mark its width and height so that you can find a new weather stripping that is compatible with the original.

Next, remove the sash and set it on a table so that you can reach all four sides. If your sash was double-hung, you must remove the weights using their ropes that should fall into the pocket in the jamb lining. After removing the sash using the utility knife, you can remove the old weather stripping by hand or using a putty knife.

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

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a few days. After the putty has completely dried, you can apply a topcoat of acrylic. This will help protect the putty and give your sash a modern look.

Sash Hardware

The hardware that supports the window sashes can wear out over time and use. This could result in the window or door that is difficult to open or close. The good thing is that fixing and replacing this hardware is typically quite simple and inexpensive. If a sash is difficult to operate you can try spraying some lubrication into the jamb channel then slide it open to see if that fixes the problem. If the issue continues it's most likely that the sash balance is off. You'll need remove the upvc window repairs sash in order to access the hardware.

Ideally, window sashes should swing open and closed with very little effort, however, this can be difficult if the weights become worn or if the sash meeting rail isn't properly coated. This problem could be caused by a variety of factors that include a lack of maintenance and a mismatched weight rating.

If the hinges on the window repair begin to move, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To remedy the issue ensure that the sash is centered in the frame's opening and take it off. If the sash is secured to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Windows that are old, especially in older houses, can be difficult to close and open because of sagging hinges and an overall lack of energy efficiency. In many cases, a few simple repairs can turn these windows into smooth operators for the first time and save the homeowner cash on energy costs.

In order to make these sash repairs it is essential to have all the necessary tools lined up before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will help you get the channel back in place correctly when you're finished. Remove the sash, and window repair then remove the hardware including the beads that separate (Photo 2) and the cords or chains which hold it in place. Soften any hardened putty with an electric heat gun set to medium and fitted with an nozzle shield. Remove the old sash, and store it in an bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or just to keep your windows functioning, replacing worn out weights for sash will improve its operation and reduce energy costs. Sash weights are hefty lead or iron cylinders, which are enclosed in a concealed cavity and linked to the moveable window sash using a rope. They are counterbalancers, allowing the window to be shut and opened without the need for mechanical or electrical devices. If they fail, sashweights are often ignored or disabled by homeowners.

It's not easy to retrieve an sash-weight which 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 of sashcord and a few sashpulleys to secure the weights you are replacing to the cord.

Older wood windows are joined by mortise and tenon joints. Hammers and pins can be used to take out the wood pegs that hold the components together. The majority of these pegs are big on one side, and smaller on the other. It is crucial to first remove the smaller diameter sides. Later sashes used glue instead of pins. They can be cut by using a knife and a mallet.

Once the sash has been released, you can remove sash stops and access the weight pockets. Usually, this is done through an opening at the bottom of each jamb. This hole is covered by a wooden access panel that can be ripped off to allow you to see the inner workings of the frame.

After the sash has been stopped and the access panel removed, you'll be able to remove the weight of the old sash and replace it with the new. Be sure to weigh the sash first to ensure that the weights you have might not be the correct size. Once the new weight is in place you can tie a string around it and then thread it through the pulley of the sash. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the head of the string to allow future adjustments.

Sash Cords

Most old double-hung windows have a cord or chain attached to the weights which keeps the sashes balanced within the jamb. Over time, these cords can get damaged and make it impossible to raise windows. A new sash cord can restore the ability to move the sash up and down and hold it in place when it is opened.

The first step in replacing sash cords is to locate and remove the access panels within the jambs. They are typically screwed or nailed in and require removal. It may be possible to take them out using the hammer or chisel but it is always better to lay out dust sheets before beginning any work.

After you have removed the access panel, you can begin to work on the sash. Utilize a flat bar, or chisel, to pry the tiny partsing beads out of their grooves. It is important to be patient because they are usually placed in a wedge or nail. If the sash is still in place, pry the mortise and tenon joints free with a hammer or screwdriver, then remove each wood peg. You should now be able to move the sash around freely, although it might require oiling if it seems stiff.

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

Unless you've bought a kit that replaces the old counterbalance system, it is recommended to keep the original balancing weights in place. They're not costly and are easy to install if purchased them at architectural salvage stores. Based on the size of your window one or two sash weights may be needed to keep it in an open position.