Why Window Sash Repairs Is More Difficult Than You Think

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Window sashes need to be inspected regularly for signs of mold, mildew, and damage. By catching these problems early you can save money on future repairs.

The sash is the interior frame that is vertically moved upwards or downwards in windows that are open. This article will teach you how to do simple repairs to sash.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. When properly maintained, they can last for years. However, they can become damaged or degrade as time passes due to exposure to the elements and wear and tear. Thankfully, sash repair experts can bring your windows back to their original condition and maintain their appearance for longer than replacement windows.

Weather stripping is the most important issue to take care of when fixing windows with sash. It is located on both the frame and sash. It could cause drafts if worn out or loose. Start by identifying the window's brand and the glass manufacturer's date (etched on the glass's corners, or the aluminum spacers between panes). Then, remove the sash and mark its width and height so that you can locate new weather stripping that matches.

Then, remove the sash from its holder and place it on an even surface that allows you to see all four sides. If the sash is double-hung, you must remove the weights using their ropes that should fall into the pocket inside the jamb lining. After you've removed the sash, use a utility knife to remove the weather stripping from the corners, then remove it by hand or with a putty knife.

Once the sash is clear, you can replace the parting stops. These are long pieces wood that separate 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 use a piece of scrap wood.

After removing the parting stops and trimming them to the desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a day. Once it's fully cured then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a modern appearance.

Sash Hardware

The hardware that supports windows sashes can become worn out over time and use. This could result in a door or a window that is difficult to open or close. It's a good idea to know that replacing or fixing this hardware is usually straightforward and cost-effective. If a sash is difficult to operate try spraying oil into the jamb channel then open it to see if this solves the issue. If not, the issue is likely to be with the sash balance and you'll have to take off the sash to gain access to the hardware.

Window sashes need to open and close with little effort. However, this could be a challenge if the weights have been worn out or the sash meeting rail is not properly covered with. This issue could be caused by a number of things, such as insufficient maintenance or an incorrect weight rating for the particular window sash.

If the hinge arms on windows begin to slide, this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To fix this problem, first ensure that the sash is squarely inserted into the frame's opening and then remove it from the window. If the sash was screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).

windows repair that are old, especially in older homes, may be difficult to open and close, because of sagging hinges and general lack of energy efficiency. In most instances, a few easy repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy bills.

In order to make these repairs to the sash it is important to have all of the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will assist you in getting the channel back in the correct position after you've finished. Remove the sash and remove the hardware, including the parting beads (Photo 2) and the chains or cords that secure it. Soften any hardened putty with a heat gun set to medium and fitted with an shield for the nozzle. Remove the old sash and put it in a labeled bag.

Sash Weights

Sash weights can be changed to improve the performance of your window sash, and also reduce the cost of energy. Sash weights are made of heavy lead or iron cylinders that are encased in a hidden cavity and attached by ropes to the movable window sash. They are counterbalancers which allows the window to be closed and opened without the need for mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners, and are turned into scrap when they fail. Consequently you might need to find replacements.

It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits correctly. You will also require a new piece of string, a length sashcord and some sashpulleys to tie the new weights to the cord.

Older wood windows are joined using mortise and tenon joints. The wood pegs that hold the components together can be removed using pin punches and hammers. The majority of these pegs have a large diameter on one side and a smaller size on the other, so it is crucial to take out the smaller-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting the glue line using an instrument, and then tapping the mortised area loose with a mallet.

After the sash is released, you can remove the stops on the sash and get access to the pockets for weights. Usually this is accomplished by drilling a hole near the bottom of each jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the inside workings.

When the sash has been shut off and the access panel is removed, you can remove the weight that was previously installed and replace it. First, weigh the sash because the weights you've got may not be the correct size. After the new weight is installed, thread an appropriate length of string through the pulling mechanism. Then nail the string to the frame, leaving a few inches of string sticking out from the head for future adjustment.

Sash Cords

The majority of double-hung windows with a history include a chain or cord connected to the weights that keeps the sashes in balance in the jamb. As time passes, these cords may become damaged and make it difficult to raise the windows. A new sash cable will restore the ability to raise and lower the sash and ensure it stays in place when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are usually screwed or nailed into and require removal. You might be able to use a hammer and chisel for removing them but it's best to lay down dust sheets prior to beginning any work.

After the access panel has been removed, you can begin working on the sash. Utilize a flat bar or chisel, to pry the tiny parting beads from their grooves. It is important to take your time as they're often wedged or nailed in place. If the sash is still in place, pry out the mortise and tenon joints using pin punch and hammer or screwdriver, then remove the wood pegs that are on each piece. You should be able to move the sash around freely, although it may require oil if it feels stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to extend from the pulley at the top of the jamb to the sash slot at the bottom. Cut the cord or Window Glass Repair Near Me chain and fix it as described in the previous step. You can employ a hammer and nail or screws, but nails are less likely to cause damage.

It's best to leave the original weights if you've purchased a kit that will replace the counterbalance that was previously installed. They are not expensive and are easy to install if you purchase them from salvage shops for Window Glass Repair Near Me architectural use. Based on the size and shape of your window, you may require one or two sashweights in order to keep the sash open.