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Window Sash Repairs Regularly inspect the window sashes for any damage, mildew and mold. double glazing repair Chingford can reduce future repair costs by catching the issues in the early stages before they get out of hand. The sash is the interior frame that is vertically moved upwards or downwards in windows that are 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. When properly maintained, they can last for a long time. However, they can become damaged or degraded as time passes because of exposure to the elements and wear and tear. Sash repair experts can restore windows back to their original condition and keep them looking great longer than replacement windows. Weather stripping is the primary aspect to consider when you are repairing windows that have sash. It is located on both the frame and the sash. If it's worn or loose, out, it can lead to drafts, as well as other issues. 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 that you can get replacement weather stripping that matches. Then, remove the sash and set it on a surface to allow access to all four sides. If your sash was double-hung, you must remove the weights using their ropes that should be buried in the jamb lining. After removing the sash using the utility knife, take off the weather stripping from the old sash by hand or using a putty knife. Once the sash is clear, you can replace the parting stops. These are long pieces that split the sashes. Pam likes to replace them with standard ½-inch-by ¾-inch window trim from the lumberyard, however you could also use scrap wood. After removing the stopper for the parting and cutting it to length and then apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry for at least one day. Once it's fully cured then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new look. Sash Hardware The hardware that supports window sashes susceptible to wear and tear due to time and usage, and the result can be a window or door that won't open or close easily. It's important to know that replacing and fixing this hardware is usually easy and affordable. If a sash is difficult to operate, try spraying some grease into the jamb channel and then slide it open to see if it 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 this hardware. Window sashes need to open and close without much effort. However, this could be difficult if weights are worn out or the sash connecting rail isn't properly coated. This issue could be caused by a number of things, such as insufficient maintenance or the wrong weight rating for the particular sash. If the hinge arms on windows begin to slide, this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To fix this problem, first ensure that the sash is firmly seated in the frame's opening and then remove it from the window. If the sash was screwed onto the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash next (Photo 3). Due to sagging hinges, and a general deficiency in energy efficiency, old windows particularly those in older houses, could be difficult to open or close. Sometimes, a few simple fixes can make these windows operate smoothly and help homeowners save money on energy bills. To complete these repairs to sash, it's important to have all the necessary tools lined up before you begin. Mark the hinge channel's location on the frame (Photo 1) using a pencil. This will assist you in getting the channel back into position correctly after you've completed. Then, remove the sash and take off the hardware including the parting beads (Photo 2) and the cords or chains that hold it in place. Soften any hardened putty with the help of a heat gun set at medium and fitted with an nozzle shield. Remove the old sash, and put it in a labeled bag. Sash Weights No matter if your window sash repair needs are to replace a damaged cord or simply to keep your windows functioning, replacing worn out weights on sash can improve sash operation and help reduce energy consumption. Sash weights are made of heavy iron or lead cylinders that are encased inside a concealed cavity, and are connected via ropes to the movable window sash. They provide counterbalance which allows the window to be opened and closed without using mechanical or electrical devices. If they fail, sashweights are usually ignored or disabled by homeowners. It's difficult to retrieve a sash-weight that has fallen 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 tie the new sash weights to the sash cord. Older wood windows are joined using mortise and tenon joints. Hammers and pins can be used to cut off the wood pegs that hold the components together. The majority of these pegs are big on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs. They can be separated by cutting the glue line with an instrument, and then tapping the mortised area loose using mallets. Once the sash has been released, you can remove the sash stops and access the weight pockets. This is typically done by drilling an opening at the bottom of every jamb. The hole is surrounded by the wooden panel which can be removed to reveal the interior workings. Once the sash is stopped and the access panel is removed, you can remove the old weight and replace it. Make sure you weigh the sash before you do this, as the weights that were previously used may be different sizes than the one you need. 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. Leave a few inches protruding at the top of the string for future adjustments. Sash Cords Most old double-hung windows come with a chain or cord attached to the weights that helps keep the sashes balanced in the jamb. As time passes, these cords can become damaged and make it difficult to raise the windows. A new sash cable will restore the ability to move and lower the sash 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 may be possible to remove them with a hammer or chisel, but it is always best to lay out dust sheets prior to beginning any work. After you have removed the access panel, you are able to begin to work on the sash. Make the small parting beads (also called “tie rails”) out of their grooves using flat bar or chisel. It's important to be patient because they are usually placed in a wedge or nail. If the sash is still in place, pry out the mortise and tenon joints with a hammer and pin punch or screwdriver, and then take out the wood pegs that are on each component. The sash should be able to move around freely now, however it may require some lubrication in order to feel less stiff. With the sash in an open position, measure enough sash cord/chain to extend from the pulley in the top of the jamb to the sash slot at the bottom. Cut the cord/chain and then attach it in Step 6 above. You can do this with nail, hammer or screws. However, nails are less likely to cause damage. It's best to leave the original weights if you have purchased a kit that will replace the counterbalance that was previously installed. They're not costly and easy to install if you buy them at architectural salvage stores. Based on the dimensions and shape of your window you may need to use one or two sashweights in order to keep the sash open.