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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and damage. If you catch these issues early you will save money on repairs in the future.

The sash is an interior frame that moves up and down vertically in windows that open. This article will show you how to make several easy repairs to your sash.

Weather Stripping

Wooden window sashes can give a classic look to your home. They are also durable and last for a long time when they are maintained properly. However, they can get damaged or deteriorated over time, due to exposure and normal wear. Sash repair specialists can restore windows to their original state and keep them looking great longer than replacement windows.

The first step for repair sash window damage is to fix weather stripping, which is found on both the sash and frame. If it's loose or worn out, it can cause drafts and other problems. To fix it, start by determining your Window doctor's brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off, and mark its size and width so that you can find a new weather stripping that is compatible with the original.

Then, you can remove the sash from the holder and place it on a flat surface to allow you to reach all four sides. If your sash is double-hung, you'll also need to take off the weights and Window Doctor their accompanying ropes that should have fallen into the intended pocket in the jamb liner. Once you've taken the sash off, use a utility knife to remove the weather stripping from the corners, and then remove it by hand or using a putty blade.

Once the sash is clear, you can replace the parting stops. They are long pieces of wood that divide the two sashes. Pam likes to replace them 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 stopper for the parting and trimming it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth it out using your putty knife, then let it dry for at least a day. When the putty is fully dried it is possible to apply a topcoat of acrylic. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear from the wear and tear of use, and the result can be a door or window that isn't able to open or close easily. It's important to know that replacing or fixing this hardware is usually simple and inexpensive. If a sash is difficult to operate try spraying grease into the jamb channel, and then open it to see if that solves the issue. If not, the problem is likely to be with the sash balance and you'll have to take off the sash to access the hardware.

Ideally, window sashes should move open and shut with very little effort, but this can be difficult if the weights become worn or if the sash that joins rail isn't properly coated. This can be due to many factors, including the lack of maintenance or an unmatched weight rating.

If the hinges on a window begin to sag this can cause the sash drag and eventually hit against the frame at the opposite corner (Photo 1). To correct the issue ensure that the sash is centered in the frame opening, and then remove it. If the sash is screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Due to sagging hinges, and a general deficiency in energy efficiency, windows that are old, especially those in older houses, could be difficult to open and close. Many times, a few simple fixes can allow these windows to operate smoothly once more and save homeowners money on their energy bills.

It is crucial to have the tools you require before you begin. Begin 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 correct location after you've completed. Take the sash off and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. Soften any putty that has been hardened with an electric heat gun set to medium and equipped with a nozzle shield. Remove the old sash and place it in a labelled bag.

Sash Weights

No matter if your window sash upvc repair needs are to replace a broken cord or to keep the windows functional and functional, replacing worn-out weights on sash can improve sash operation and reduce energy consumption. Sash weights are heavy, lead or iron cylinders that are enclosed in a hidden cavity and connected to the movable window sash using rope. They provide counterbalance, allowing the window to be opened and closed without using mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners and then turned into scrap when they fail. Consequently you might need to locate replacements.

It's difficult to retrieve an sash-weight which 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 sash cord, and a few sash pulleys that will tie the new sash weights onto the sash cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs holding the components together can be removed by a pin punch and hammer. Most of these pegs have large diameters on one side and a smaller one on the other, so it is crucial to take out the small-diameter sides first. Later sashes made use of glue instead of pins. They can be separated by using a knife and mallets.

Once the sash is freed then you can take out the stopper on the sash and get access to the weight pocket. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is surrounded by a wooden panel that can be removed to reveal the inner workings.

After the sash has been stopped and the access panel is removed, you can remove the old weight and replace it. Make sure you weigh the sash prior to you do this, since the old weights could be a different size than what is needed. After the new weight is in place then tie a string to it and then thread it through the pulley for the sash. Then attach the string to the boxed frame, but leave a few inches of string protruding from the head for future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain connected to the weights that helps keep the sashes level within the jamb. Over time these cords can break, making it impossible to raise the window. A new sash cable will give you the ability to move and lower the sash, and keep it in place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. These are usually attached by nails or screws and need to be removed. You could employ a hammer and chisel to remove them, but it's always better to lay down dust sheets prior to beginning any work.

After removing 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. It's important to take your time, as these are often wedged or nailed in place. If the sash is still in place, pry out the mortise and tenon joints with the help of a hammer and pin or screwdriver, and then take out the wood pegs that are on each piece. It should now be possible to move the sash around without difficulty, though it might require lubrication if it feels stiff.

Measure the length of sash chain/sash cord needed to reach the sash slot on the bottom, and the pulley on the top of the jamb. Cut the chain or cord and fix it as described in the previous step. You can do this with nail, hammer or screws. However nails are less likely than screws to cause damage.

It's best to leave the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance. They're not costly and simple to install if you buy them from architectural salvage stores. Depending on the size of your window, one or two sash weights could be needed to keep it in an open position.