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Window Sash Repairs

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

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

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. However, they can get damaged or deteriorated over time, due to exposure and normal wear. Sash repair specialists can restore windows to their original state and maintain their beauty longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. It can cause drafts if it's damaged or is loose. Begin by identifying the window's brand and the manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Then, remove the sash and mark its width and height to find replacement weather stripping to match.

Next, remove the sash and set it on a table to allow access to all four sides. If your sash is double glazing repairs near me-hung, window repairs you'll need to remove the weights and their accompanying ropes which should have slipped into the intended pocket in the jamb liner. After you've removed the sash using a utility knife, you can use it to remove the weather stripping from the corners. Then, remove it manually or using a putty blade.

After the sash is cleared, you can replace the stoppers that separate the two sashes. These are long pieces that split the sashes. Pam likes to replace these with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you could also use scrap wood.

After removing the stopper and cutting it to length and then apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a day. Once it's fully cured, apply a top coat of acrylic latex paint. This will protect the putty, and give your sash an updated appearance.

Sash Hardware

The hardware that supports windows sashes can become worn out over time and with use. This could lead to windows or doors that is difficult to open or close. It's important to know that replacing or fixing this hardware is usually straightforward and cost-effective. If you're having trouble opening a sash, spray some lubricant into the jamb channel. Then, slide the sash up and open to see if that fixes the problem. If not, the problem is most likely due to the sash balance, and you'll need to remove the sash to access the hardware.

Ideally, window repair sashes must be able to open and close with minimal effort however, this can be a difficult task if the weights become worn or if the sash that joins rail isn't properly glazed. This issue can be due to various reasons that include the lack of maintenance or an unmatched weight rating.

If the hinge arms on the window begin to move, this could cause the sash to drag and then hit the frame at the opposite corner (Photo 1). To address this issue, first make sure the sash is squarely inserted into the opening of the frame and then remove it from the window. If the sash is screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Windows that are old, especially in older homes, can be difficult to open and close, due to hinges that are sagging and general inefficiency. In most cases, a few simple repairs can transform these windows into smooth operators again and save the homeowner money on energy bills.

It is essential to have the tools you need before you begin. Begin by marking the location of the hinge channel on the frame with 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 parting beads, cords, and chains that hold the sash in place. Heat gun with nozzle shield and a medium setting will soften any putty that has been hardened. Remove the old sash and keep it in a bag with a label.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to ensure that the windows are functional by replacing worn out weights on sash can improve sash operation and help reduce energy costs. Sash weights are made of iron or lead cylindricals that are contained 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 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 fail; therefore you might need to search for replacements.

It's difficult to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits correctly. You will also require a new piece string, a length sashcord and a few sashpulleys to secure the new weights to the cord.

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

Once the sash is freed, you can remove the sash stop and access the weight pocket. Usually, this is done through an opening in the bottom of each jamb. The hole is surrounded by a wooden panel that can be removed to reveal the inside workings.

Once you have the sash stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with the new. Be sure to weigh the sash first, as the weights you have may not be the correct size. Once the new weight is installed, you can thread an appropriate length of string through the pulling mechanism. Then nail the string to the boxed frame, but leave a few inches of string sticking out from the head for future adjustments.

Sash Cords

In the majority of old double-hung windows, a chain or cord is affixed to the weights. This supports and keeps the sashes within the jamb balanced. Over time, these cords could break, making it difficult to raise the window. A new sash cord will restore the ability to move the sash upwards and downwards and hold it in position 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. It is possible to take them out using an axe or hammer, but it is always better to lay out dust sheets before starting any work.

After you have removed the access panel, you are able to begin working on the sash. Take the narrow beads (also known as "tie rails") out of their grooves using a chisel or flat bar. They are typically wedged into or nailed, but they can be removed, so it's worth taking your time. If the sash remains in place, break the mortise-and tenon joints with a screwdriver or hammer, then remove each wood peg. You should now be able to move the sash around freely, though it may require oiling if it seems stiff.

Measure the length of sash cord/chain required to reach the sash slot at the bottom, and the pulley at the top of the jamb. Cut the cord or chain and attach it in the previous step. You can do this with nail, hammer or screws. However nails are less likely to cause damage.

It is best to keep the original weights if you have purchased a kit to replace the counterbalance. They're not expensive and are easy to install if you purchase them from salvage shops for architectural use. Depending on the size and shape of your window you may require one or two sashweights in order to keep the sash open.