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Window Sash Repairs Window sashes need to be regularly checked for mold, mildew, and damage. You can reduce future repair costs by catching these issues in the early stages before they become out of control. The sash is an interior framing that can be moved vertically either up or down in windows that are open. This article will teach you how to carry out a few simple sash repair. Weather Stripping Wood window sashes add a classic aesthetic to your home. When properly maintained, they will last for a long time. However, they may become damaged or deteriorate in time due to exposure to the elements and wear and tear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows. Weather stripping is the primary aspect to consider when you are repairing windows with sash. It is located on both the frame and the sash. If it's loose or worn out, it could cause drafts and other issues. To fix it, start by determining the brand of your window and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its width and height, so you can find replacement weather stripping to match. Then, remove the sash and set it on a table so you can access all four sides. If the sash is double-hung, you'll have to remove the weights as well as their ropes which should have slipped into the intended pocket in the jamb liner. Once you've taken the sash off using a utility knife, you can use it to remove the weather stripping that was formerly in place at the corners. Then, remove it by hand or using a putty blade. After the sash has been cleared, you can install parting stops. These are long pieces that split the sashes. Pam prefers to use the standard ½-inch by ¾ inch window trimming from the lumberyard. But, you can also use for a scrap piece of lumber. After removing the parting stops and cutting them to the desired length, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty tool and let it dry at least a day. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This will help protect the putty, and give your sash a modern appearance. Sash Hardware The hardware that supports window sashes is susceptible to wear and tear due to age and use, and the result can be a window or door that won't open or close easily. The good news is that fixing and replacing this hardware is usually quite simple and inexpensive. If you're having difficulty 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 persists, it is most likely to be due to the sash's balance. You will need remove the window sash in order to reach this hardware. Sashes for windows should be able to be able to open and close with minimal effort. However, this may be difficult if the weights are worn out or the sash-to rail connecting rail isn't coated. This issue could be caused by a number of factors, including the lack of maintenance or the wrong weight rating for the specific window sash. If the hinge arms of a window are starting to slide, this could cause the sash to slide and eventually land on the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix the problem, make sure that the sash is aligned in the frame's opening and remove it. If the sash is secured to the hinge arm, you'll need to unscrew the hinge arm 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 because of sagging hinges and general inefficiency. In many instances, a few minor repairs can turn these windows into smooth operators and save homeowners money on energy bills. It is essential to have the tools you need before you start. Begin by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to place the channel in the correct location after you've completed. Remove the sash, and then remove the hardware, including the parting beads (Photo 2) and the chains or cords which hold it in place. Heat gun with nozzle shield and a medium setting will soften any hardened glue. Remove the old sash and put it in a labelled bag. Sash Weights Sash weights can be replaced to enhance the efficiency of your window sash and reduce the cost of energy. Sash weights are composed of iron or lead cylinders that are enclosed in a concealed cavity and are connected via ropes to the moveable window sash. They are counterbalancers which allows the window to be opened and closed without the need for mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners and turned into scrap when they fail. Consequently, you may need to locate replacements. A weight from a sash that fell out of the cavity is difficult to recover, so you will want to find a new one that fits properly. You will also need an additional piece of string, a length of sash cord and some sash pulleys to tie the new sash weights the sash cord. Mortise and Tenon joints are 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 them are large 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 separated by using a knife or mallets. After the sash is removed, you can take off the stops on the sash and get access to the pockets for weights. Usually, this is done through a hole near the bottom of each jamb. The hole is then covered with an access panel made of wood that can be ripped off to allow you to observe the inner workings of the frame. After the sash has been stopped and the access panel removed, you'll be able to take off the old sash weight and replace it with the new. Be sure to weigh the sash before you do this, since the old weights could be different sizes than what you require. Once the new weight has been installed, run an appropriate length of string through the pulling mechanism. Then attach the string to the boxed frame, but leave a few inches of string hanging from the head for future adjustment. Sash Cords In most old double-hung window, a cord or chain is connected to the weights. This keeps the sashes of the jamb level. Over time, these chains can become damaged and render it impossible to raise windows. A new sash cord will restore the ability to move the sash up and down and keep it in place when opened. The first step in replacing sash cords is to find and remove the access panels within the jambs. They are typically fixed or screwed in and will need to be removed or moved. You may be able to use a hammer and chisel to remove them but it's best to lay down dust sheets before beginning any work. After the access panel has been removed, you can begin working on the sash. Prise Woodley double glazing parting beads (also known as “tie rails”) out of their grooves using a chisel or flat bar. These are often wedged in or nailed but can be prised free and it's worth your time here. If the sash is in place, break the mortise and tenon joints with the help of a hammer and pin or screwdriver, then remove the wood pegs on each component. The sash should be able to move freely now, but it may need some lubrication in order to feel less stiff. Take a measurement of the length of sash chain/sash cord required to reach the sash slot on the bottom of the pulley at the top of the jamb. Cut the chain or cord, and then attach it as described in the step 6 above. You can use a hammer, nails or screws. However, nails are less likely than screws to cause damage. If you haven't purchased 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 you buy them from architectural salvage stores. Depending on the size of your window one or two sash weights could be needed to keep the sash in an open position.