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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew and other damage. If you catch these issues early you can save money on repairs in the future.

The sash is an interior frame that is able to move upwards and downwards in windows that are open. This article will teach you how to make several simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also durable and will last for many years when they are maintained properly. However, they can become damaged or degrade as time passes due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original state and maintain their appearance longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. If it's worn or loose, out, it can cause drafts, as well as other issues. Begin by identifying the window brand and the date of manufacture for the glass (etched on the glass's corner or the aluminum spacers between panes). Then, remove the sash and mark its height and width, so you can find the appropriate weather stripping replacement to match.

Then, remove the sash and place it on a work surface so you can access all four sides. If your sash was double glazed window repairs near me-hung, remove the weights with their ropes that should have fallen into the pocket in the jamb lining. Once you've taken the sash off using a utility knife, you can use it to cut away the weather stripping that was formerly in place at the corners, then take it off by hand or with a putty knife.

Once the sash is clear, you can replace the parting stops. These are long pieces that separate the sashes. Pam prefers to replace them 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 stopper for the parting and trimming it to length after which, apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a day. Once the putty has fully cure and dried, you can apply a topcoat of acrylic. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear from age and use and the result could be a door or window that can't be opened or closed easily. The good thing is that fixing and replacing this hardware is typically relatively easy and affordable. If a sash is difficult to operate try spraying oil into the jamb channel and then open it to see if it resolves the issue. If the problem persists it's likely that the sash balance is off. You'll need to remove the window sash in order to reach this hardware.

Ideally, window sashes should be able to open and close with minimal effort but this can be a difficult task if the weights become worn or if the sash meeting rail isn't properly glazed. This could be caused by many factors that include a lack of maintenance and an unmatched weight rating.

If the hinge arms on the window begin to move, this could cause the sash to drag, and then eventually to hit the frame at the opposite corner (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the frame's opening and then remove it from the window. If the sash is fixed to the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, older windows, especially those in older homes, can be difficult to open and close. Sometimes just a few easy fixes can allow these windows to operate smoothly again and help homeowners save money on energy costs.

To complete these repairs to the sash, it's important to have all the tools needed before you begin. Mark the hinge channel's location on the frame (Photo 1) using a pencil. This will help you to place the channel in the proper location after you've completed. Then, remove the sash and remove the hardware, including the parting beads (Photo 2) and the chains or cords that hold it in place. Heat gun with nozzle shield and a medium setting will soften any hardened putty. Take off the old sash and keep it in a labeled bag.

Sash Weights

Sash weights are able to be replaced to improve the performance of your window sash and reduce the cost of energy. Sash weights are made of heavy iron or lead cylinders that are encased in a concealed cavity and are connected via a rope to the movable window sash. These weights function as counterbalances, which allows you to open and close the window without the need for mechanical or electrical devices. The sash-weights are typically neglected or ignored by homeowners and turned into scrap when they fail; therefore, you may need to locate replacements.

A weight in a sash that has fallen out of the cavity is difficult to get back and you'll need to find a new one that fits properly. You will also require a fresh piece of string, a length of sashcord and a few sashpulleys to secure the new weights to the cord.

Older windows made of wood are joined by mortise and tenon joints. The wood pegs holding the parts together can be removed with pin punches and hammers. The majority of these pegs are large on one side and smaller on the other. It is important to first remove the smaller diameter sides. Later sashes utilized glue instead of pins. They can be separated by using a knife and mallet.

Once the sash has been released, you can remove the sash stops and gain access to the weight pockets. Usually, this is done through a hole near the bottom of each jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the inner workings.

After you have the sash stopped and the access panel removed, you'll be able to remove the weight of the old sash and replace it with new. First, weigh the sash, as the weights you have may not be the right size. Once the new weight is installed then tie a string to it and thread it through the sash pulley. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the end of the string for future adjustments.

Sash Cords

Most double-hung windows of the past include a chain or cord connected to the weights that helps keep the sashes in balance in the jamb. 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 hold it in place when 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 require removal. It may be possible to take them out using the hammer or chisel but it is always better to lay out dust sheets prior to starting any work.

After removing the access panel, you are able to begin to work on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves with flat bar or chisel. It is important to take your time as they're often stuck or nailed to the floor. If the sash is in place, remove the mortise and tenon joints using the help of a hammer and pin or screwdriver, and then take out the wood pegs that are on each component. The sash should move freely, however it might require some lubrication in order to feel less stiff.

Determine the length of sash chain/sash cord required to reach the sash slot on the bottom from the pulley at the top of the jamb. Cut the cord/chain and then attach it in the previous step. You can either employ a hammer and screws or nails, however nails are less likely to cause damage.

It is best to keep the original weights in place unless you've purchased a kit that will replace the counterbalance. They're not expensive and are easy to install if you buy them from architectural salvage stores. Based on the dimensions and shape of your window you may require one or two sashweights in order to keep it open.