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Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew and damage. If you catch these issues early you will save money on repairs in the future.

The sash is an internal frame that can move vertically up and down in windows that open. This article will show you how to do simple sash repairs.

Weather Stripping

Wooden window sashes are a great way to add an elegant appearance to your home. They are also durable and will last for many years if they are properly maintained. However, they may become damaged or degraded over time due to exposure to elements and wear and wear and tear. Sash repair specialists can restore windows to their original state and keep them looking great longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which is found on both the sash and frame. It could cause drafts if damaged or is loose. To fix it, begin by finding your window brand and glass manufacturer date (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 get new weather stripping that is compatible with the original.

Then, take it off and place it on a work surface so that you can reach all four sides. If your sash was double-hung, take out the ropes and weights that should be buried inside the jamb lining. After you have removed the sash using the utility knife, you can remove the old weather stripping by hand or with the putty blade.

After the sash has been cleared and clean, you can put in the parting stops. These are long pieces of wood that are used to separate the two sashes. Pam likes to replace them with standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could also use a piece of scrap wood.

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

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and use. This could lead to a door or a window that is difficult to open or close. It's good to know that replacing and fixing this hardware is usually straightforward and cost-effective. If a sash isn't easy to operate try spraying grease into the jamb channel then open it to see if it resolves the issue. If the issue persists, it is most likely to be due to the sash's balance. You'll need remove the window sash in order 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 coated. This issue could be caused by a variety of factors that include a lack of maintenance and 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 fix this issue, first make sure the sash is squarely inserted into the frame's opening and then remove it from the window. If the sash is secured to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Old windows, especially those in older homes, may be difficult to open and close due to sagging hinges and general inefficiency. In most cases, a few simple repairs can transform these windows into smooth operation for the first time and save the homeowner money on energy bills.

To complete these repairs to the sash it is important to have all of the tools needed before you begin. Mark the location of the hinge channel on the frame (Photo 1) with a pencil. This will help you to put the channel in the proper position after you've finished. Take the sash off and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. The nozzle shield of the heat gun and a medium setting can soften any putty that has been hardened. Remove the old sash, and put it in a bag that is labeled.

Sash Weights

No matter if your window sash repair needs are to replace a damaged cord or to keep your windows functioning by replacing worn out weights for sash will improve its operation and reduce energy costs. Sash weights are composed of heavy lead or iron cylindricals that are contained inside a concealed cavity, and connected by ropes to the movable window sash. They provide counterbalance which allows the window to be closed and opened without using mechanical or electrical devices. If they fail, sashweights tend to be ignored or disabled by homeowners.

It is difficult to recover an sash-weight which has fallen from the cavity, so you'll want to find one that fits properly. You will also require a new piece of string, a length sashcord and a few sashpulleys for tying the weights you are replacing to the cord.

Older wood windows are joined using mortise and tenon joints. The wood pegs holding the parts together can be removed with pin punches and hammers. The majority of them are large on one side and smaller on the other. It is important to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs. They can be separated by cutting the glue line with an instrument, and then tapping the mortised part loose with mallets.

After the sash is removed and removed, you can take off the sash stop and gain access to the weight pocket. This is typically done by drilling a small hole at the bottom of each jamb. This hole is covered with the wooden panel which can be removed to reveal the inner workings.

After the sash has been stopped and the access panel removed, you will be able to remove the weight from the sash and replace it with the new. Be sure to weigh the sash before you do this, since the weights that were previously used may be a different size than what you require. After the new weight has been installed, thread a string through the sash pulling mechanism. Then attach the string to the boxed frame, leaving a few inches of string hanging from the head for future adjustments.

Sash Cords

In the majority of old double glazed window repairs-hung windows, a chain or cord is attached to the weights. This supports and keeps the sashes of the jamb in a balanced manner. Over time these cords can break, making it difficult to raise the window repairs. A new sash cord will give you the ability to move the sash upwards and downwards and hold it in position when it is opened.

The first step to replace cords for sash is to locate and remove the access panels in the jambs. These are usually installed by screws or nails and must be removed or moved. It may be possible to remove them using a hammer or chisel, but it is always better to lay out dust sheets prior to starting any work.

After the access panel has been removed, you can start working on the sash. Take the narrow beads (also known as "tie rails") out of their grooves using the chisel or flat bar. These are often wedged in or nailed, but they can be snipped out, so it's worth taking your time. If the sash is still in place, pull the mortise-and tenon joints using a hammer or screwdriver and then take out each wood peg. The sash should move freely, however it may need some lubrication to feel less stiff.

With the sash in an open position Take a measurement of the sash chain to extend from the pulley on the top of the jamb to the sash slot on the bottom. Cut the chain or cord and attach it in the previous step. You can do this with nail, hammer or screws. However nails are less likely to cause damage.

Unless you've bought a kit that replaces the old counterbalance system, it's recommended to keep the original weights for balancing in place. They're not expensive and easy to install if you purchase them from architectural salvage stores. Based on the dimensions and shape of your window you may require one or two sashweights to keep the sash open.