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Window Sash Repairs

Regularly inspect the window sashes for any damage, mildew and mold. By catching problems before they become serious you can save money on repairs in the future.

The sash is an interior frame that is able to move up and down vertically in windows that are open. This article will show you how to carry out a few simple repairs to the sash.

Weather Stripping

Wooden window sashes are a great way to add an elegant appearance to your home. They are also durable and last for a long time when they are maintained properly. They can, however, become damaged or degraded with time, due to exposure and normal wear. Sash repair specialists can restore windows to their original condition and maintain their beauty much longer than replacement windows.

The first step for repair sash windows is to address weather stripping. It's found on both the sash and frame. If it's damaged or worn out, it can cause drafts and other issues. To fix it, begin by determining the brand of your window and the date of manufacture for the repairing glass (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash and mark its width and height so you can purchase replacement weather stripping that matches.

Then, you can remove the sash from its holder and place it on an even surface that allows you to access all four sides. If your sash has been double-hung, you must remove the ropes and weights that should have fallen into the pocket inside the jamb lining. After removing the sash using the utility knife, you can remove the old weather stripping by hand or using a putty blade.

After the sash has been cleared, you can replace the parting stops. These are long pieces that split the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you can also substitute for a scrap piece of lumber.

After removing the parting stops and cutting them to the desired length 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 one day. Once the putty has fully cured and 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 the windows sashes can become worn out over time and use. This could lead to windows or doors that is difficult to open or close. It's important to know that replacing and repair of this hardware is typically easy and affordable. If a sash becomes difficult to operate try spraying grease into the jamb channel then open it to see if it resolves the issue. If not, the issue is most likely due to the balance of the sash and you'll need to take out the sash to gain access to this hardware.

Ideally, window sashes should be able to open and close with very little effort, however, this can be a difficult task when the weights wear out or if the sash that joins rail isn't properly coated. This issue can be caused by a number of things, such as lack of maintenance or by an incorrect weight rating for a particular window sash.

If the hinge arms of a window begin to slide, this could cause the sash's to drag and eventually strike the frame in the corner that's directly opposite the hinge arm (Photo 1). To correct the issue ensure that the sash is in the proper position within the frame opening, and then take it off. 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).

Old windows, particularly those in older homes, can be difficult to open and close, because of sagging hinges and general inefficiency. Sometimes it is a matter of making a few minor adjustments that can make these windows operate smoothly once more and help homeowners save money on their energy bills.

It is important to have the tools needed before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will help you to put the channel in the correct location after you've completed. Then, remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the cords or chains that secure it. The nozzle shield of the heat gun and a medium setting will soften any hardened glue. Take off the old sash and put it in a bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep your windows functioning by replacing worn out sash weights will improve sash operation and cut down on energy costs. Sash weights are heavy lead or iron cylinders that are enclosed in a hidden cavity and connected to the movable pvc window repairs sash using a rope. They function as counterbalances, which allows you to open and shut the window without the need for mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners and then turned into scrap when they fail. Consequently you may have to search for replacements.

A weight from a sash that fell out of the cavity is difficult to get back It is therefore important to find a new one that fits correctly. You will also need an additional piece of string, a length of sash cord, and a few sash pulleys to tie the new sash weights the sash cord.

Older windows made of wood are joined with mortise and tenon joints. The wood pegs holding the components together can be removed using the use of a pin punch and hammer. The majority of these pegs are large on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Sashes that were made later in the century used glue instead of pegs and can be separated by cutting through the glue line with a knife, then tapping the mortised section loose with a mallet.

After the sash is removed, you can take off the stops on the sash and get access to the weight pockets. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is then covered with an access panel made of wood that can be cut off to let you view the inside of the frame.

Once the sash is stopped and the access panel is removed, you can remove the old weight and replace it. Be sure to weigh the sash first to ensure that the weights you've got may not be the right size. Once the new weight is in place you can tie a string around it and thread it through the sash pulley. Then, you can attach the string to your boxed frame. Leave a few inches at the head of the string to allow future adjustments.

Sash Cords

In the majority of old double glazed windows repair-hung windows the chain or cord is attached to the weights. This keeps the sashes within the jamb in a balanced manner. Over time these cords can break, making it difficult to raise the window. A new sash cord will give you the ability to move the sash upwards and downwards and will keep it in its place when 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 need to be removed or relocated. You may be able to employ a hammer and chisel to prise them off however, it is always best to lay down dust sheets before commencing any work.

After you have removed the access panel, you are able to begin working on the sash. Utilize a flat bar, or chisel, to pry the narrow parting beads out of their grooves. They are usually wedged in or nailed but can be snipped out and it's worth your time. If the sash remains in place, pry out the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, then unhook the wood pegs on the components. The sash should move freely now, but it may require some lubrication in order to feel less stiff.

Measure the length of the sash chain or sash cord needed to reach the sash slot on the bottom from the pulley at the top of the jamb. Cut the cord or chain and then attach it as described in the step 6 above. You can do this with a hammer, nails, or screws. However nails are less likely than screws to cause damage.

Unless you've bought a kit that replaces the old counterbalance system, it's recommended to keep the original balancing weights in place. It's cheap to purchase them from architectural salvage stores and they'll be simple to install once you've got the sash opened. Based on the size of your window one or two sash weights might be required to keep it open.