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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew, and damage. You can avoid future repair costs by catching problems in the early stages, before they get out of hand.

The sash is the interior frame that is vertically moved up or down in windows that open. This article will show you how to perform several simple repairs to the sash.

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also durable and can last many years if they are properly maintained. They can, however, get damaged or deteriorated over time due to exposure or normal wear and tear. Sash repair specialists can restore windows to their original condition and maintain their appearance longer than replacement windows.

The first step in repair sash window damage is to fix weather stripping, which is found on both the sash as well as the frame. If it's loose or worn out, it could cause drafts and other issues. To fix it, begin by determining your window's brand and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its width and height so that you can locate replacement weather stripping to match.

Next, remove the sash and set it on a surface to allow access to all four sides. If the sash is double-hung, you'll also need to take off the weights and their ropes, which should have fallen into the pocket that was intended to be in the jamb liner. After removing the sash using the utility knife, you can remove the weather stripping from the old sash by hand or using the putty blade.

When the sash is clean it is time to replace the parting stops. These are long pieces wood that are used to separate the two sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard. However, you can also replace them with scrap wood.

After removing the stoppers for parting and trimming them to your desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty tool, and let it dry at least one day. When it's completely dried, apply a top coat of acrylic latex paint. This will help protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that holds window repair near me sashes is prone to wearing out from time and usage, and the result can be a window or door that can't be opened or closed easily. It's important to know that replacing or repair of this hardware is typically simple and inexpensive. If a sash becomes difficult to operate try spraying grease into the jamb channel, and then slide it open to see if this fixes the problem. If not, the issue is likely to be with the sash balance and you'll need to remove the sash to gain access to the hardware.

The ideal situation is for window sashes to swing open and closed with very little effort, however, this can be a difficult task when the weights wear out or if the sash meeting rail isn't properly glazed. This problem can be caused by a number of reasons, such as lack of maintenance or window Sash repairs by a mismatched weight rating for the particular window sash.

If the hinge arms of a window are beginning to lose their elasticity, this could cause the sash to slide and eventually hit the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix this issue, first make sure the sash is squarely inserted into the opening of the frame and then remove it from the window. If the sash is secured to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Old windows, particularly those in older homes, may be difficult to open and close, due to sagging hinges and a general inefficiency. In many cases, a few simple fixes can allow these windows to operate smoothly again and help homeowners save money on energy bills.

To complete these repairs to sash it is important to have all the necessary tools in place before you begin. Mark the location of the hinge channel on the frame (Photo 1) with a pencil. This will make it easier to place the channel 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 to block the nozzle. Remove the old sash, and keep it in a labeled bag.

Sash Weights

If your window sash repairs are to replace a broken cord or just to keep your windows functioning and functional, replacing worn-out weights on sash can improve sash operation and cut down on energy costs. Sash weights are made of heavy iron or lead cylinders that are enclosed in a hidden cavity and are connected via ropes to the moveable window sash. These weights provide counterbalance, allowing the window to be closed and opened without the use of electrical or mechanical devices. The sash-weights are typically disregarded or disabled by homeowners and turned into scrap when they fail; therefore you might need to find replacements.

A sash weight that has fallen out of the cavity is difficult to get back It is therefore important to find a replacement that fits properly. You will also need an additional piece of string, a length the sash cord, as well as some sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints can be used to join old wood windows. The wood pegs holding the parts together can be removed by a pin punch and hammer. The majority of these pegs have an enormous diameter on one side and a smaller diameter on the other side, so it is crucial to take out the smaller-diameter sides first. Later sashes utilized glue instead of pins. They can be separated by using a knife and mallet.

Once the sash has been removed, you can take off the stops on the sash and get access to the weight pockets. Usually, this is done through a hole near the bottom of each jamb. The hole is surrounded by 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 will be able to remove the weight of the old sash and replace it with new. Be sure to weigh the sash prior to you begin, as the weights that were previously used may be a different size than what is needed. Once the new weight has been installed, run a string through the sash pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches of space at the head of the string to allow future adjustments.

Sash Cords

Most double-hung windows of the past include a chain or cord connected to the weights that supports and keeps the sashes level in the jamb. Over time, these chains may become damaged and make it difficult to raise the windows. A new sash cord can restore the ability to move the sash upwards and downwards and hold it in position when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are typically attached by nails or screws and must be removed. You may be able to employ a hammer and chisel to prise them off, but it's always better to lay down dust sheets before commencing any work.

After you have removed the access panel, you can begin working on the sash. Use a flat bar or chisel to pull the tiny parting beads out of their grooves. These are often wedged in or nailed, but they can be removed, so it's worth taking your time here. If the sash is still in place, pry the mortise and tenon joints free using a hammer or Window Sash Repairs screwdriver, then remove each wood peg. You should be able to move the sash around freely, although it might require oil if it feels stiff.

With the sash in an open position, measure enough sash cord/chain to reach from the pulley at the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then attach it in the previous step. You can use either a hammer, nails, or screws. However nails are less likely to cause damage.

Unless you've bought an item 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 buy them from architectural salvage stores. Depending on the size of your window one or two sash weights may be needed to keep it in an open position.