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Window Sash Repairs Check the windows sashes regularly for damage, mildew, and mold. By catching these problems early you can save money on repairs in the future. The sash is an interior frame that can move vertically up and down in windows that open. This article will teach you how to do a variety of simple repairs to sash. Weather Stripping Wood window sashes provide the classic look to your home. When properly maintained, they will last for a long time. They may, however, be damaged or degraded over time, due to exposure and normal wear. Thankfully, sash repair experts can restore your windows to their original condition and maintain their appearance for a longer period of time than replacement windows. Weather stripping is the primary aspect to consider when you are repairing windows that have sash. double glazing repairs Braintree 's on both the frame and the sash. If it's loose or worn out, it could cause drafts and other issues. Start by identifying the brand of window and the glass manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Take the sash off and mark its width and height so you can find a new weather stripping that is compatible with the original. Then, remove the sash from its holder, and place it on a flat surface to allow you to reach all four sides. If the sash is double-hung, remove the weights using their ropes that should be buried within the jamb lining. Once 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 blade. After the sash is cleaned, you can replace parting stops. These are long pieces that divide the sashes. Pam likes to replace these with standard ½-inch by ¾-inch window trim from the lumberyard, however you could also use scrap wood. After removing the stoppers for parting and cutting them to the desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a day. After it has fully dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new appearance. Sash Hardware The hardware that holds the window sashes may wear out with time and use. This could result in windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is generally relatively easy and affordable. If you're having difficulty opening a sash, spray some oil into the jamb channel. Then slide the sash up and open to see if this resolves the problem. If the issue continues it's likely the sash balance. You will need to remove the window sash to get access to this part of the hardware. The ideal situation is for window sashes to swing open and closed with minimal effort but this is a difficult task if the weights become worn or if the sash that joins rail isn't properly coated. This issue can be due to various reasons such as the lack of maintenance or an unmatched weight rating. If the hinge arms on a window begin to sag this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To remedy the issue ensure 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 need to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3). Because of sagging hinges and a general deficiency in energy efficiency, old windows particularly those in older homes, can be difficult to open or close. Sometimes it is a matter of making a few minor adjustments that can help these windows function smoothly again and save homeowners money on their energy bills. It is important to have the tools you need before you begin. Start by marking the location of the hinge channel on the frame using pencil (Photo 1). This will assist you in getting the channel back in place correctly when you're finished. Then, remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the cords or chains that hold it in place. The nozzle shield of the heat gun and medium setting will soften any hardened putty. Remove the old sash, and keep it in a labeled bag. Sash Weights Sash weights are able to be replaced to improve the operation of your window sash, and also reduce energy costs. Sash weights are made of heavy lead or iron cylindricals that are contained inside a concealed cavity, and attached by ropes to the moveable window sash. They are counterbalancers which allows the window to be closed and opened without the use of electrical or mechanical devices. The sash weights are usually disregarded or disabled by homeowners and then turned into scrap when they break; therefore you may have to locate replacements. A weight from a sash that fell out of the cavity is difficult to get back, so you will want to find a replacement that is suitable for the. You will also need an additional piece of string, a length of sash cord, and a few sash pulleys that will tie the new sash weights the sash cord. Mortise and Tenon joints are used to join older wood windows. The wood pegs that keep the parts together can be removed using a pin punch and hammer. 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 used glue instead of pegs. They can be separated by cutting the glue line using a knife, then tapping the mortised section loose with mallets. Once the sash is freed then you can take out the sash stop and gain access to the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. The hole is surrounded by 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 weight of the old sash and replace it with the new. First, weigh the sash because the weights you've got may not be the correct size. Once the new weight is installed, thread the string through the sash pulling mechanism. Then attach the string to the frame, but only leave a few inches of string sticking out from the head for future adjustment. Sash Cords The majority of double-hung windows with a history come with a chain or cord connected to the weights that keeps the sashes balanced within the jamb. As time passes, these cords may break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash up and down and keep it in place when it is opened. The first step in replacing sash cords is to find and remove the access panels within the jambs. These are usually installed by screws or nails and will require to be removed or moved. You might be able to use a hammer and chisel to prise them off, but it's always better to lay down dust sheets prior to starting any work. Once the access panel is removed, you can start working on the sash. Utilize a flat bar, or chisel to pry the narrow parting beads from 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 is still in place, break the mortise and tenon joints free with a hammer or screwdriver and then take out each wood peg. The sash should move freely, however it may need 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 on the top of the jamb to the sash slot on the bottom. Cut the cord or chain and fix it as described in Step 6 above. You can either use a hammer and screws or nails, but nails are less likely to cause damage. If you don't have a kit that replaces the counterbalance system that was in place before, it is recommended to keep the original balancing weights in place. It's cheap to purchase these from salvage shops for architectural purposes and they will be easy to install once you've got the sash opened. Depending on the dimensions and shape of your window, you may require one or two sashweights to keep the sash open.