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Window Sash Repairs

Window sashes must be regularly checked for mold, mildew and other damage. You can reduce future repair costs by catching these issues early on before they get out of hand.

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

Weather Stripping

Wood window sashes add the classic look to your home. If properly maintained, can last for years. However, they may become damaged or degraded over time because of exposure to the elements and normal wear and tear. Fortunately, sash repair specialists can restore your windows to their original condition and keep them looking fantastic for 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 worn or loose. To fix it, start by finding your window brand 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 you can purchase replacement weather stripping that matches.

Then, you can remove the sash from the holder and place it on flat surfaces to allow you to see all four sides. If your sash was double-hung, remove the ropes and weights that should be buried within the jamb lining. After you've removed the sash using a utility knife, you can use it to cut away the weather stripping that was formerly in place at the corners, then take it off by hand or using a putty blade.

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

After removing the parting stops and cutting them to the desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound using your putty tool, and let it dry for at least one day. When it's completely dried and dried, apply a second coat of acrylic latex paint. This will protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear from time and usage and the result could be a window or door that can't be opened or closed easily. It's important to know that replacing and fixing this hardware is usually straightforward and cost-effective. If you're having difficulty opening a sash spray some lubricant into the jamb channel. Then, slide the sash open to see if that fixes the issue. If not, the problem is most likely due to the balance of the sash and you'll have to take off the sash in order to access this hardware.

Ideally, upvc window repair sashes must be able to open and close with minimal effort however, this can be an issue when the weights are worn or if the sash meeting rail isn't properly coated. This problem could be caused by a variety of factors, including an absence of maintenance or a mismatched weight rating.

If the hinge arms of a window begin to sag, this can cause the sash to slide and eventually hit the frame in the corner opposite the hinge arm (Photo 1). To remedy the issue, make sure that the sash is centered in the frame's opening and take it off. If the sash has been fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Windows that are old, especially in older homes, may be difficult to open and close due to hinges that are sagging and an overall inefficiency. Many times just a few easy fixes can allow these windows to operate smoothly and save homeowners money on energy bills.

It is important to have the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will allow you to place the channel in the right place when you are finished. Remove the sash and take out all the hardware, including the parting beads, cords, and chains that keep the sash in place. Soften any hardened putty using the help of a heat gun set at 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 simply to keep the windows functional and functional, replacing worn-out weights on sash can improve sash operation and cut down on energy consumption. Sash weights are heavy lead or iron cylinders, which are enclosed in a concealed cavity and linked to the moveable sash by rope. These weights function as counterbalances and allow you to open and shut the window without the need for mechanical or electrical devices. When they fail, sashweights are usually ignored or disabled by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to get back, so you will want to locate a new one that is suitable for the. You will also need a new piece of string, a length of the sash cord, as well as some sash pulleys that will tie the new sash weights onto the sash cord.

Mortise and Tenon joints can be used to join older wood windows. Hammers and pins can be used to remove the wood pegs that hold the parts together. The majority of these pegs are large on one side, but smaller on the other. It is crucial to remove first the smaller diameter sides. Sashes that were made later in the century utilized glue instead of pegs and can be separated by cutting the glue line with a knife, then tapping the mortised section loose with mallets.

After the sash is removed, you can take off the sash stops and access the weight pockets. Usually this is accomplished by drilling an opening 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 remove the old sash weight and replace it with the new. Be sure to weigh the sash before you do this, as the weights that were previously used may be a different size than what is needed. Once the new weight has been installed, you can thread a string through the sash pulling mechanism. Then, nail the string to your boxed frame. Leave a few inches at the top of the string to allow future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is affixed to the weights. This supports and keeps the sashes in the jamb in a balanced manner. Over time these cords can break, making it impossible to raise the window. A new sash cord will restore the ability to move the sash up and down and keep it in place when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are usually installed by screws or nails and will need to be removed or moved. It is possible to remove them with the hammer or chisel but it is always best to lay out dust sheets prior to beginning any work.

After removing the access panel, you are able to begin to work on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. They are typically wedged into or nailed in, but they can be removed which is why it's worth your time. If the sash remains in place, break the mortise and tenon joints using a hammer and pin punch or screwdriver, and then take out the wood pegs that are on each piece. The sash should be able move freely now, but it might require some lubrication in order to feel less stiff.

Determine the length of sash cord/chain needed to reach the sash slot on the bottom from the pulley located at the top of the jamb. Cut the cord or chain and then fix it using the previous step. You can do this with a hammer, nails or screws. However, nails are less likely to cause damage.

It's best to leave the weights that came with the original counterbalance unless you've purchased a kit that will replace the counterbalance. They're not expensive and easy to install if you purchase them from architectural salvage stores. Depending on the size of your window, two or three sash weights might be required to keep it open.