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Window Sash Repairs
Window sashes must be regularly checked for mold, mildew, and damage. You can reduce the cost of repairs in the future by catching these issues early, before they become out of control.
The sash is an interior frame that is vertically moved up or down in windows that open. This article will show you how to do simple repairs to sash.
Weather Stripping
Wooden window sashes are a great way to add a classic look to your home. They are also sturdy and last for a long time if they are properly maintained. However, they may become damaged or degraded as time passes due to exposure to elements and wear and wear and tear. Sash repair experts can restore windows to their original state and maintain their appearance much longer than replacement windows.
The first step for sash window repairs is addressing weather stripping, which can be found on both the sash as well as the frame. It could cause drafts if worn out or loose. To fix it, begin by determining your window's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width so that you can locate replacement weather stripping to match.
Then, you can remove the sash from its holder, and place it on flat surfaces to allow you to access all four sides. If the sash is double-hung, you'll have to remove the weights as well as their ropes that should have fallen into the intended pocket in the jamb liner. After you have removed the sash using the utility knife, you can remove the weather stripping that was left by hand or using a putty knife.
After the sash has been cleared, you can install parting stops. These are long pieces that separate the sashes. Pam likes to replace these with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you can also use scrap wood.
After removing the stopper for the parting and trimming it to length and then apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry at least a day. Once the putty has fully dried, you can apply a topcoat of acrylic. This will protect the putty, and give your sash an updated appearance.
Sash Hardware
The hardware that supports the windows sashes can become worn out over time and with use. This could result in the window or door that is difficult to open or close. It's important to know that replacing and repair of this hardware is typically straightforward and cost-effective. If a sash becomes difficult to operate, try spraying some lubrication into the jamb channel then slide it open to see if it resolves the issue. If the problem persists it's most likely the sash balance. You'll need remove the window sash in order to get access to this part of the hardware.
Sashes for windows should be able to be able to open and close with minimal effort. However, this can be a challenge if the weights have been worn out or the sash-to rail connecting rail isn't coated. This issue could be caused by various reasons such as the lack of maintenance or an unmatched weight rating.
If the hinge arms on a window begin to sag this could cause the sash to drag and eventually hit against the frame in the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame's opening and remove it. If the sash has been screwed to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).
Because of sagging hinges and a general deficiency in energy efficiency, old windows, especially those in older homes, may be difficult to open or close. In many cases just a few easy fixes can help these windows function smoothly again and save homeowners money on energy costs.
It is important to have the tools you require before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will assist you in getting the channel back into the correct position after you've finished. Take the sash off and then remove all hardware, including the beads for parting cords, chains, and cords that keep the sash in place. Heat gun with nozzle shield and a medium setting will soften any hardened glue. Remove the old sash and store it in an bag with a label.
Sash Weights
If your window sash repairs are to replace a damaged cord or just to keep your windows functioning and functional, replacing worn-out sash weights will improve sash operation and reduce energy consumption. Sash weights are heavy, lead or iron cylinders enclosed in a concealed cavity and linked to the moveable the sash with a rope. They are counterbalancers that allows the window to be closed and opened without the need for mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and turned into scrap when they fail; therefore, you may need to search for replacements.
It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll need to find one that fits properly. You will also require a new piece of string, a length 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 old wood windows. Pin punch and hammer can be used to take out the wood pegs holding the components together. The majority of these pegs are big on one side, but 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 mallets.
Once the sash is freed, you can remove the stopper on the sash and get access to the weight pocket. This is usually done through tiny holes in the bottom of each jamb. This hole is then covered by an access panel made of wood that can be cut off to allow you to see the inner workings of the frame.
Once you have the sash stopped and the access panel removed, you'll be able to remove the old sash weight and replace it with the new. First, weigh the sash because the weights you have might not be the correct size. Once the new weight is installed then tie a string to it and then thread it through the sash pulley. Then, you can attach the string to your boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.
Sash Cords
The majority of double-hung windows with a history have a cord or chain attached to the weights that supports and keeps the sashes balanced in the jamb. As time passes, these cords can get damaged and render it impossible to raise the windows. A new sash cord will give you the ability to move the sash up and down and keep it in position when it is opened.
To replace sash cords the first step is to remove the access panels from the jambs. They are usually installed by screws or nails and will require to be removed or repositioned. You may be able to use a hammer or chisel for removing them however, it is always best to lay down dust sheets before starting any work.
After removing the access panel, you are able to begin working on the sash. Take the narrow beads (also known as "tie rails") out of their grooves using flat bar or chisel. It is essential to take your time, as these are often placed in a wedge or nail. If the sash remains in place, break the mortise-and-tenon joints out using a hammer or screwdriver, then remove each wood peg. You should be able to move the sash back and forth freely, although it might require oiling if it seems stiff.
Take a measurement of the length of the sash chain or sash cord required to reach the sash slot at the bottom of the pulley on the top of the jamb. Cut the cord or chain and attach it in the previous step. You can do this with a hammer, nails or screws. However, nails are less likely than screws to cause damage.
It is recommended to keep the original weights if you have purchased a kit that will replace the counterbalance. They're not costly and are easy to install if you buy them from architectural salvage stores. Based on the size of your window, one or two sash weights could be needed to keep it open.