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Window Sash Repairs Many homeowners don't care about window sashes — so long as they are able to can be closed and opened, they keep outside air out and the air inside in. As time passes, window sashes can wear out and cause drafts, air leaks or even stuck sashes. The artist uses an sash propped up on an easel for working glazing points into the gap. He also scrapes paint off the frame and then applies wood preserver. Sash Weights If your windows aren't opening and closing smoothly or are sluggish the way they should, a defective counterbalancing system could be the cause. This could be due to an ailing or damaged sash chain or a loose or misaligned sashweight, or a broken or cracked pulley. The sashweights are small, rounded boxes made of cast iron that support the counter-weight system and help support the sash. They are found in the bottom rails of each window frame, and are covered by a wooden access panel that can be cut open to reveal their whereabouts. These panels can be removed for access to the sash weight pockets for cleaning, repairs or replacement. If you've had sash windows for some time, you may have an issue with the sash weights that cause them to sag or catch. The weights can be too heavy (they should be a bit heavier than the top sash) or they've been installed in a way that isn't correct. To correct this problem, first pull off the stops (the trim along the inside edges of the window where it joins the frame and holds it in place) and then set them aside. This requires you to be gentle in order to not scratch the appearance of your overlapping rails. Then double glazed timber sash windows can make use of a mallet or hammer to break the stiles from the rails and inspect the rails for damage or any repairs that require to be made. After you've checked the rails and stiles, lay down dust sheets and start working on the sash itself. Start by removing wood pegs with a pin-punch and a screwdriver or hammer from the mortise-and-tenon joints. Once the pegs are gone then you can begin to disassemble the sash by removing the stop moldings for sash, pulling off any sash cord knots in place, and finally, taking the sash off itself. Next you will want to weigh the sash in order to figure out how much weight is needed for the proper functioning. You can find vintage replacement sashweights online or at some home improvement stores. Make sure you get the right size to avoid over – or under-weighing the sash. Sash Cords Most sash window issues stem from broken or worn sash cords. Sash cords are constantly under stress from the weights, which can cause them break over time, especially when they're not maintained properly. If the cords break, sashes will not be able to open and close easily. The problem could be caused by a number of things, including excessive force, aging, lack of maintenance and moisture buildup. In the case of window sash repairs it is crucial to replace the old cords with new ones made from materials that last and resist moisture. Begin by removing the inner stops and the thin pieces of wood that hold the sashes together using a utility knife and a chisel. Remove the stops carefully of the sashes, while keeping an eye on any that are cracked or broken. After removing the stops you can gain access to the sashweights by opening the jamb or taking out the weight pocket. It takes a little extra work to reach the sash cords but with the right tools and a little bit of patience, it's not difficult. First, you must remove the old cords by cutting them close to their knots, and then pulling them away. Take the sash off and set it aside. Once the sash is off, pull down on the staff bead (the nail that prevents the sash from falling) and then insert a nail about a foot long into the hole in the staff bead. This will temporarily keep the sash from falling while you finish stringing the counterweights. Reattach the sash strings after reinstalling upper sash. Check that the sashes are moving smoothly and are balanced. Reinstall the lower sash and repeat the process. Check that the sashes have been properly seated and are moving smoothly. After you've installed the counterweights, reattach the sash cords, by inserting a sash cord through the pulleys and then threading the cord's other end through a knot hole in the sash, ensuring it is secured in place. Repeat this procedure for each side of the sash until all cords have been replaced and the sashes are functioning normally. Air leaks and drafts Over time, the components that secure sash windows to your home's frame deteriorate creating drafts and energy loss. A thorough inspection will identify the problem areas and assist you in determining your window sash repairs options. Your comfort level and skill level will determine if you can manage yourself or require professional assistance with window sash repair. The scope of work required is also influenced by the historical property status and the structural integrity. If cold air is coming in through a drafty door or window, the furnace will have to work overtime to warm your home. This inefficiency increases your heating bills, and can affect the efficiency of your HVAC system. Drafts can also impact the quality of air inside and affect indoor comfort by adding allergens, pollutant, and humidity from the outside. A typical indication of a drafty window is the sensation of cold air entering your room despite all doors and windows being shut. Other signs to look for are a fluctuation in the temperature of your home near the window, and condensation around the frame or sill. Fortunately, fixing drafty windows is a easy task that can cut your energy costs and enhance indoor comfort. First, inspect the exterior of the window. Check for wood that isn't bare and areas where the old caulking has cracked, opening the gap to cold air. Examine the sash's interface with the frame. This includes the parting beads, and the staff bead. Examine the condition of the weather stripping (felt strips or foam tape) at these locations to determine if it's intact and functional. If not, it's time to be replaced. Take a look at the condition of the glazing putty. It is a tough putty used to keep panes of glass that has been tempered in place. Look for cracks and crumbling that can expose the sash's exterior to moisture. This can cause mold issues and damage to the glass. Apply a new layer of glazing putty on the outside of the window to correct the issue. To secure the glazing points employ a screwdriver with a flat blade to push them into the right position. Wrap a piece or fabric and then foam around each point. This acts as insulation against cold air. Aesthetics Window sash repair can give older windows a fresh appearance for less than a complete window replacement. A complete window replacement could be costly and time-consuming project, especially for older homes. Repairing window sashes is an excellent method to restore a home's original beauty and value. Monitoring the condition of your window sashes is important to prevent major problems. It's best to consult an expert if you're not sure if your windows require repair. A sash repair can be much cheaper than replacing the entire window. It can also help you save money on energy costs. First, lower the upper sash to the bottom. This is usually simple and allows you to see the “parting beads”, which are a grooved part on the rails at the junction that keep the two sliding sashes apart. Take them off using the blade of a small bar or a putty knife – they are normally nailed in place and glued by paint, so you need be cautious not to scratch them or the sash. After removing the parting beads you'll need to take off the covers for your pockets. These are pieces of wood within the frame, low down, that give access to the weights for the sash and are typically fixed with nails – they could also be glued with paint, so it is important to be careful. After the nails are removed, you can move the sash up and down in order to make sure it moves easily. If it does not it could be a problem with the counterweights and sash cords. After you've checked all these, you can fix them if needed. Wooden windows have a natural look that blends seamlessly with traditional and contemporary interiors. The options for staining or painting are endless. Wooden windows require regular maintenance in order to prevent damage and rot.