15 Shocking Facts About Window Sash Repairs That You Never Knew

Window Sash Repairs
Window sashes need to be inspected regularly for signs of mold, mildew, and damage. You can save future repair costs by catching these issues early on before they become out of control.
The sash is an interior framing that can be moved vertically up or down in windows that are open. This article will show you how to do simple sash repairs.
Weather Stripping
Wood window sashes add an elegant look to your home and, when properly maintained, they can last for years. However, they can become damaged or degraded with time due to exposure and normal wear. Sash repair specialists can restore windows back to their original condition and keep them looking great longer than replacement windows.
The first step in repair sash windows is to address weather stripping, which can be found on both the sash and frame. If it's damaged or worn out, it can lead to drafts, as well as other issues. To fix it, begin by finding your window brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash, and mark its size and width so that you can find a replacement weather stripping that matches.
Then, take it off and set it on a work surface to allow access to all four sides. If your sash is double-hung, you'll also need to take off the weights and their accompanying ropes that should have fallen into the intended pocket in the jamb liner. After you have removed the sash using the utility knife, remove the weather stripping that was left by hand or with the putty blade.
Once the sash has been cleaned, you can replace the stoppers that separate the two sashes. They are long pieces of wood that divide the two sashes. Pam likes to replace these with standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you can also replace them with a piece of scrap wood.
After removing the stoppers for parting and cutting them to the desired length then apply a thin layer of glazing compound to the bottom of the sash. Smooth out the compound using your putty knife, then let it dry for at least a day. When the putty is fully dried, you can apply a topcoat of acrylic latex. This will protect the putty and give your sash an updated look.
Sash Hardware
The hardware that supports window sashes is susceptible to wear and tear due to age and use and the result could be a window or door that won't open or close easily. The good news is that repairing and replacing this hardware is typically quite simple and inexpensive. If you are having trouble opening a sash spray some lubricant into the jamb channel. Then, slide the sash up and open to see if it resolves the problem. If the problem persists, it is most likely that the sash balance is off. You'll need to remove the window sash to reach this hardware.
Window sashes need to be able to open and close with minimal effort. However, this may be difficult if the weights are worn out or the sash meeting rail is not properly glazed. This can be due to a variety of factors, including an absence of maintenance or a mismatched weight rating.
If the hinge arms of a window are beginning to lose their elasticity, this could cause the sash's to drag and eventually strike the frame in the corner directly opposite the hinge arm (Photo 1). To address this issue, first make sure the sash fits squarely in the frame's opening and then take it out of the window. If the sash has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).
Due to hinges that are sagging, and a general deficiency in energy efficiency, old windows particularly those in older homes, can be difficult to open and close. In most cases, a few simple repairs can transform these windows into smooth operation again and save the homeowner money on energy costs.
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 allow you to put the channel in the right location after you've completed. Take the sash off and take out 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 a shield to block the nozzle. Take off the old sash and store it in an bag that is labeled.
Sash Weights
Sash weights can be replaced to improve the performance of your window sash and decrease the cost of energy. Sash weights are heavy, lead or iron cylinders that are enclosed in a hidden cavity and connected to the movable the sash with a rope. These weights act as counterbalances, allowing you to open and close the window without having to use mechanical or electrical devices. When they fail, sashweights are usually neglected or not used by homeowners.
It's difficult to retrieve the sash-weight that fell from the cavity, so you'll want to find one that is suitable for the. You will also require a fresh piece of string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.
Mortise and Tenon joints can be used to join windows made of older wood. Hammers and pins can be used to cut off the wood pegs holding the parts together. The majority of these pegs are large on one side and smaller on the other. It is essential to remove first the smaller diameter sides. Later sashes utilized glue instead of pins. upvc windows repair near me can be separated by using a knife or mallet.
After the sash is removed then you can take out the sash stop and access the weight pocket. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is surrounded by an unfinished wooden panel that can be removed to reveal the interior workings.
Once the sash is stopped and the access panel is removed, you can remove the weight that was previously installed and replace it. Make sure you weigh the sash prior to you do this, as the old weights may be different sizes than the one you need. Once the new weight is installed, you can thread the string through the sash pulling mechanism. Then, you can nail the string to the frame, but leave a few inches of string hanging from the head to allow for future adjustments.
Sash Cords
Most old double-hung windows come with a chain or cord attached to the weights which keeps the sashes in balance within the jamb. Over time, these chains can get damaged and make it impossible to raise windows. A new sash cable can restore the ability to move and lower the sash and keep it in place when it is opened.
The first step in replacing sash cords is to locate and remove the access panels in the jambs. They are usually installed by screws or nails and must be removed or moved. It may be possible to remove them using the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.
Once the access panel is removed, you can start working on the sash. Use a flat bar or chisel to pull the tiny parting beads from their grooves. It is essential to take your time because they are usually wedged or nailed in place. If the sash is still in place, break the mortise-and tenon joints using a hammer or screwdriver and then take out each wood peg. You should be able to move the sash back and forth without difficulty, though it may require oil if it feels stiff.
Determine the length of sash cord/chain required to reach the sash slot at the bottom from the pulley on the top of the jamb. Cut the cord/chain and then secure it as in the previous step. You can use either a hammer, nails, or screws. However nails are less likely to cause damage.
It is recommended to keep the weights that came with the original counterbalance unless you've purchased a kit to replace the old counterbalance. They are not expensive and are easy to install if you purchase them from architectural salvage stores. Based on the size of your window, one or two sashweights might be required to keep the sash in an open position.