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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. You can avoid future repair costs by catching these issues early on before they become too much.

The sash is an internal frame that moves up and down vertically in windows that open. This article will demonstrate how to carry out a few simple repairs to sash.

Weather Stripping

Wooden window repairs sashes can add a classic look to your home. They are also sturdy and can last many years if they are properly maintained. However, they can become damaged or deteriorate as time passes because of exposure to the elements and normal wear and tear. Thankfully, sash repair experts can restore your windows to their original condition and keep them looking fantastic for a longer period of time than replacement windows.

The first step in sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's damaged or worn out, it can lead to drafts and other problems. Start by identifying the brand of window and the glass manufacturer's date (etched on the corner of the glass, or the aluminum spacers 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 it off and place it on a work surface so you can access all four sides. If your sash is double-hung, you'll need to take off the weights and their accompanying ropes, which should have fallen into the intended pocket in the jamb liner. After you've removed the sash and the weights, use a utility knife to cut off the weather stripping from the corners, and then take it off by hand or using a putty blade.

Once the sash has been cleaned, you can replace the parting stops. These are long pieces that split the sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can also use with a scrap piece of wood.

After removing the parting stops and cutting them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife, then let it dry for a minimum of a day. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes may wear out with time and use. This could lead to windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is usually relatively easy and affordable. If you're having trouble opening a sash, spray some grease into the jamb channel. Then, slide the sash up and open to see if this resolves the issue. If the issue continues, it is most likely the sash balance. It is necessary remove the window sash to reach this hardware.

Ideally, window sashes must be able to open and close with minimal effort however, this can be difficult if the weights become worn or if the sash's meeting rail isn't properly glazed. This problem could be caused by a variety of factors such as 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 then hit the frame at the opposite corner (Photo 1). To address this issue, first make sure the sash is squarely inserted into the frame's opening and then take it out of the window. If the sash was attached to the hinge arm, take it off the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to open and close, because of sagging hinges and an overall inefficiency. In most cases, a few simple repairs can transform these windows into smooth operation and save homeowners money on energy costs.

It is important to have the tools you require before you begin. Mark the hinge channel's location on the frame (Photo 1) with a pencil. This will allow you to get the channel back in place correctly when you're finished. Remove the sash, and remove all the hardware, including the parting beads cords, chains, and cords that keep the sash in place. A hot gun with nozzle shield and a medium setting can soften any hardened putty. Remove the old sash, and place it in a labelled bag.

Sash Weights

No matter if your window sash repair needs are to replace a broken cord or to keep the windows functional by replacing worn out weights on sash can improve sash operation and cut down on energy costs. Sash weights are heavy, lead or iron cylinders enclosed in a hidden cavity and attached to the movable sash by rope. They are counterbalancers that allows the window to be opened and closed without the use of electrical or mechanical devices. The sash weights are often neglected or ignored by homeowners and turned into scrap when they fail; therefore, you may need to locate replacements.

It's not easy to retrieve the sash-weight that fell from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length of the sash cord, as well as some sash pulleys to connect the new sash weights the sash cord.

Older wood windows are joined by mortise and tenon joints. The wood pegs holding the components together can be removed by a pin punch and hammer. The majority of these pegs are large on one side, but smaller on the other. It is essential to remove first the smaller diameter sides. Sashes made later in the century made use of glue instead of pegs and can be separated by cutting the glue line with the help of a knife, and then tapping the mortised part loose with mallets.

After the sash is removed then you can take out the sash stop and gain access to the weight pocket. This is typically done by drilling an opening in the bottom of each jamb. This hole is covered by an access panel made of wood that can be ripped off so that you can observe the inner workings of the frame.

After the sash has been stopped and the access panel is removed, you are able to remove the weight that was previously installed and replace it. Make sure you weigh the sash before you begin, as the old weights may be a different size than what is needed. After the new weight is in place you can tie a string around it and thread it through the sash pulley. Then, nail the string to the boxed frame. Leave a few inches of space at the top of the string for future adjustments.

Sash Cords

The majority of double-hung windows with a history have a cord or chain attached to the weights which keeps the sashes in balance in the jamb. Over time, these cords could break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash upwards and downwards 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 attached by nails or screws and must be removed. You could use a hammer or chisel for removing them, but it's always better to lay down dust sheets before beginning any work.

After you have removed the access panel, you can begin working on the sash. Utilize a flat bar, or chisel to pull the tiny partsing beads out of their grooves. It is essential to be patient, as these are often wedged or nailed in place. If the sash remains in place, break the mortise-and-tenon joints out using a hammer or screwdriver and then remove each wood peg. You should be able to move the sash back and forth without difficulty, though it will probably need some lubrication if it feels stiff.

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

Unless you've bought an item that replaces the old counterbalance system, it's best to keep the original balancing weights in place. They are not expensive and simple to install if you purchase them from salvage shops for architectural use. Based on the size and shape of your upvc window repair you may require one or two sashweights in order to keep the sash open.