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Window Sash Repairs Window sashes must be checked regularly for mold, mildew and other damage. You can reduce the cost of repairs in the future by catching problems in the early stages before they get out of hand. The sash is an inside frame that moves upwards and downwards in windows that are open. This article will demonstrate how to perform several simple sash repair. Weather Stripping Wood window sashes add a classic aesthetic to your home. When properly maintained, can last for a long time. They may, however, be damaged or degraded over time due to exposure and normal wear and tear. However, sash repair experts can bring your windows back to their original condition and keep them looking fantastic for much longer than newer replacement windows. The first step for repair sash windows is to address weather stripping, which is found on both the sash as well as the frame. If it's worn or loose, out, it could cause drafts and other problems. Start by identifying the brand of window and the manufacturer's date (etched on the glass's corner or the aluminum spacers between panes). Remove the sash, and mark its width and height so that you can find a replacement weather stripping that matches. Next, remove the sash and place it on a surface so you can access all four sides. If the sash is double-hung, you'll also need to remove the weights and their accompanying ropes which should have slipped into the pocket of 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, then remove it by hand or using a putty knife. Once the sash has been cleared, you can replace the parting stops. These are long pieces wood that divide the two sashes. Pam likes to replace these with standard ½-inch-by – ¾-inch window trim from the lumberyard, however you can also replace them with scrap wood. After removing the parting stop and cutting it to length after which, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty tool and allow it to dry for at least one day. After the putty has completely dried and dried, you can apply a topcoat of acrylic latex. This coating will protect the putty and give your sash a new look. Sash Hardware The hardware that holds window sashes is susceptible to wear and tear due to the wear and tear of use, and the result can be a door or window that can't be opened or closed easily. It's good to know that replacing or repair of this hardware is typically easy and affordable. If a sash is difficult to operate, try spraying some lubrication into the jamb channel and then slide it open to see if it solves the issue. If the issue continues it's likely the sash balance. You will need remove the window sash to get access to this part of the hardware. Ideally, window sashes should be able to open and close without effort, but this can be a difficult task if the weights become worn or if the sash that joins rail isn't properly coated. This issue could be caused by a variety of things, such as lack of maintenance or by a mismatched weight rating for a particular window sash. If the hinges on a window begin to sag this could cause the sash to drag and then hit the frame at the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame opening and then take it off. If the sash has been screwed to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3). Old windows, especially those in older homes, may be difficult to open and close, because of sagging hinges and an overall lack of energy efficiency. In many cases it is a matter of making a few minor adjustments that can allow these windows to operate smoothly again and help homeowners save money on energy costs. To complete these sash repairs it is essential to have all of the necessary tools lined up before you begin. Begin by marking the position of the hinge channel on the frame using pencil (Photo 1). This will make it easier to position the channel in the correct location after you've completed. Take the sash off, and remove all the hardware, including the parting beads, cords, and chains that keep the sash in place. Soften any hardened putty using a heat gun set to medium and fitted with an nozzle shield. Take off the old sash and store it in an bag that is labeled. Sash Weights Whether your window sash repairs are to replace a broken cord or simply to keep your windows functioning, replacing worn out sash weights will improve sash operation and cut down on energy consumption. Sash weights are heavy lead or iron cylinders that are enclosed in a hidden cavity and linked to the moveable sash by a rope. These weights provide counterbalance that allows the window to be opened and closed without using mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and then turned into scrap when they break; therefore, you may need to search for replacements. A sash weight that has fallen out of the cavity is difficult to retrieve and you'll need to find a new one that is suitable for the. You will also require a fresh piece of string, a length sashcord and a few sashpulleys to secure the weights you are replacing to the cord. Mortise and Tenon joints can be used to join older wood windows. Pin punch and hammer can be used to cut off the wood pegs holding the parts together. The majority of these pegs are big on one side and smaller on the other. It is essential to first remove the smaller diameter sides. Later sashes utilized glue instead of pins. They can be cut by using a knife and mallet. After the sash is removed, you can take off the stops on the sash and get access to the pockets for weights. This is typically done by drilling an opening at the bottom of each jamb. The hole is then covered with an unfinished wooden panel that can be removed to reveal the interior workings. After you have the sash 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 first to ensure that the weights you have may not be the correct size. Once the new weight is installed, run an appropriate length of string through the pulling mechanism. Then, nail the string to the boxed frame. Leave a few inches at the top of the string to allow for future adjustments. Sash Cords The majority of double-hung windows with a history come with a chain or cord attached to the weights which helps keep the sashes balanced in the jamb. As time passes, these cords may break, making it difficult to raise the window. A new sash cable will give you the ability to raise and lower the sash and ensure it stays in place when opened. To replace sash cords, the first step is to remove the access panels from the jambs. They are usually fixed or screwed in and must be removed or relocated. You may be able to employ a hammer and chisel for removing them however, it is always best to lay down dust sheets prior to starting any work. After you have removed the access panel, you are able to begin working on the sash. Utilize a flat bar, or chisel to pry the narrow partsing beads out of their grooves. They are usually wedged in or nailed, 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 out with a screwdriver or hammer, then remove each wood peg. The sash should be able move freely now, but it might require some lubrication to make it feel less stiff. With double glazing repair Bethnal Green Take a measurement of the sash chain to extend from the pulley at the top of the jamb to the sash slot at the bottom. Cut the cord/chain and then secure it in the step 6 above. You can employ a hammer, screws or nails, but nails are less likely to cause damage. If you haven't purchased a kit that replaces the counterbalance system that was in place before, it's best to keep the original balancing weights in place. It's not expensive to buy them from architectural salvage stores and they will be easy to install once you've got the sash opened. Based on the size and shape of your window, you may need to use one or two sashweights in order to keep the sash open.