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Window Sash Repairs Most homeowners don't think much about window sashes — as long as they can be closed and opened, they keep the outside air out and the inside air in. However, over time, they can begin to wear out, causing air leaks, drafts, or even sashes sticking. With a sash propped up on an easel made from wood, the author works glazing points into a gap. He also scrapes paint off the frame before applying wood preserver. Sash Weights If windows aren't opening or closing smoothly or are sticking due to a problem with the counter-balancing system, it's possible that a could be at fault. This can be caused by a damaged or missing sash chain or a sashweight that is not aligned properly or not attached to a weight, or a damaged or damaged pulley. The sash weights are tiny boxes made of cast iron, that help support the sash and also help balance the counter-weight system of the window. They are situated in the bottom rails of every window frame, and are covered by a wooden access panel which can be opened to reveal their location. The panels can be removed for access to the sash-weight pockets in order to clean or repair them, or even replace them. There could be a problem with the sashweights if been using your sash windows for over a period of time. They might catch or lean. This can be due to the weights being too heavy (they are supposed to be slightly heavier than the top sash) or due to them being installed in a way that isn't correct (some users have disabled their weight systems by cutting them and taking them off to save money or turning them into scrap metal). To remedy this issue to fix this issue, take off the stops (the trim that runs along the inside edge of the window at the point where it joins the frame to keep it in position). Set them aside. You'll need to do this slowly so as not to harm the appearance of the overlapping rails. Then, you can employ 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 stiles and rails lay down some dust sheets and start working on the sash itself. Begin by taking the wood pegs out of the mortise and tenon joints with pin punches and a screwdriver or hammer. After the pegs have been removed then you can begin disassembling the sash by removing the sash stop moldings, pulling off any sash cord knots in place, and finally, taking the sash off itself. The next step is to weigh the sash to determine how much weight it will require for functioning. You can purchase vintage replacement sashweights online or in a few home improvement stores. Be sure to purchase the correct size to avoid over – or under-weighing the sash. Sash Cords Often sash window problems stem from damaged or worn sash cords. The weights put constant pressure on the sash cords and this can cause them break over time. If cords break, sashes will not be able to open and close easily. The issue could be caused due to excessive force, aging or a lack of maintenance or moisture buildup. It's important that you replace the old cords during window sash repairs with new cords made of a material that is strong and resistant to moisture. Begin by removing the internal stops, the thin strips of wood that hold the sashes in place, using a utility knife and a Chisel. Remove the stops off the sashes with care, and keep an eye out for any cracked or broken ones. After removing the stops you can access the sashweights by opening up the jamb or taking out the weight pocket. Accessing the sash cords requires a little more work however it's not too difficult with the right tools and patience. First, take off the old cords by cutting them close to their knots and then pulling them out. Then, you can remove the sash from the frame and put it aside. Take off the staff bead. This is the nail that holds the sash in place. Install an approximately one foot into the hole. This will hold the sash in place while you finish stringing counterweights. Reattach the sash strings after installing the upper sash. Make sure that the sashes are moving smoothly and are in a balanced position. Then, you can reinstall the lower sash and repeat the process, making sure that the sashes are properly sitting and moving smoothly. Reattach the sash cables after you have put in the counterweights. Thread the cord through the pulleys, and then through the knot hole on the sash. Repeat this process on each side of the sash, making sure that the sashes work as intended again. Air and drafts Leaks Over time, materials that connect your sash window to the frame of your home begin to degrade. This causes drafts and energy loss. A thorough inspection will identify the problem areas and help you decide on the options for fixing your window sash. Your comfort level and level will determine if can manage yourself or require assistance from a professional for window sash repair. The scope of work is also affected by the historic status of the property and its structural strength. If cold air is getting through a drafty window or window, the furnace will be forced to work overtime to heat your home. This inefficiency can increase your heating bills, and can compromise the efficiency of your HVAC system. Drafts can also affect the quality of indoor air and disrupt indoor comfort by the infiltration of allergens, pollutants and humidity from the outside. A drafty window is evident by the sensation of cold air rushing into the room, even if all windows and doors are closed. Other indicators to look out for are an increase in temperature close to the window, as well as condensation around the sill or frame. Repairing drafty windows is a an easy task, and will reduce your energy bills and increase your comfort in the home. The first step is to look at the exterior of the window. Examine for bare wood and areas where the old caulking is cracked, opening the air gap. Examine the interface of the sash with the frame. This includes the parting bead and the staff bead. Check the condition of weather stripping in these areas (felt strips or tape) to determine if they're intact and functional. If not, it's time to be replaced. Also, take note of the condition of glazing putty, which is a tough putty that holds panes glass in place. Look for cracks or crumbling that expose the sash's surface to moisture which can lead to mold issues and damage to the glass of windows. Apply a fresh layer of glazing putty to the inside of the window to correct the issue. To secure the glazing points make use of a flat-bladed screwdriver push them into position. Wrap a piece of fabric and then foam around each point. This will act as insulation against cold air. Aesthetics Window repair to sash can give older windows a new look at a lower cost than a full window replacement. A complete window replacement could be costly and time-consuming project, especially for older homes. In many cases, fixing window sashes can restore the original beauty of a house and increase its value as well. It is important to pay attention to the condition and wear of window sashes to avoid any major issues. If you're unsure whether your windows are in need of repair It's recommended to have them assessed by a professional. The cost of a sash repair is typically cheaper than the cost to replace the whole window, and it can help save your home energy costs as well. The first step is to lower the upper sash to the bottom – this is generally easy and will give you an unobstructed view of the “parting beads” (these are the grooved bits in the rail that connects either side that keep the 2 sliding sashes apart). Take them off using the blade of a small bar or a putty knife – they are usually nailed into the right place and are covered with paint, so you have be cautious not to scratch them or the sash. After you have removed the parting beads, you'll have to remove the pockets. These are small pieces of wood which are fixed into the frame at the bottom. They permit access to the sashweights. After the nails are removed, you can move the sash upwards and downwards to ensure it moves smoothly. If it doesn't, it may be a problem with the counterweights or the sash cords. Once you've checked all of these, you can repair them as needed. Wooden windows are beautiful and natural. upvc sliding sash windows are a great fit with modern or traditional interiors. The options for staining and painting are endless. Wooden windows require regular maintenance in order to avoid rot and damage.