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Window Sash Repairs

Check the windows sashes regularly for signs of damage, mildew and mold. By catching these problems early 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 do a variety of simple repairs to the sash.

Weather Stripping

Wooden window sashes can add an elegant appearance to your home. They are also sturdy and last for a long time when they are maintained properly. They may, however, get damaged or deteriorated over time, due to exposure and normal wear and tear. Thankfully, sash repair double glazing window experts can bring your windows back to their original condition and keep them looking fantastic for longer than replacement windows.

Weather stripping is the most important thing to address when repairing sash windows. It's on both the frame and the sash. If it's damaged or worn out, it can lead to drafts and other issues. To fix it, begin by determining your window's brand and the date of manufacture for the glass (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.

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 a double-hung, you'll have to take off the weights and their accompanying ropes, which should have fallen into the pocket of the jamb liner. After removing the sash with the utility knife, take off the weather stripping that was left by hand or with a putty knife.

After the sash has been cleaned, you can replace parting stops. They 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, but you can also use scrap wood.

After removing the parting stop and trimming it to length and then apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a few days. When the putty is fully cure and dried, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and with use. This can result in a door or a window that is difficult to open or close. It's a good idea to know that replacing and repairing this hardware is often straightforward and cost-effective. If you are having trouble opening a sash, spray some oil into the jamb channel. Then slide the sash open to see if it resolves the problem. If not, the issue is likely to be with the balance of the sash and you'll have to take off the sash to access the hardware.

Window sashes need to be able to open and close with minimal effort. However, this can be difficult if the weights are worn out or the sash-to-rail connecting rail isn't properly coated. This can be due to various reasons that include a lack of maintenance and an unmatched weight rating.

If the hinge arms of a window begin to sag, this can cause the sash to slide and eventually hit the frame in the corner directly opposite the hinge arm (Photo 1). To resolve this problem, first ensure that the sash is firmly seated in the opening of the frame and then take it out of the window. If the sash was fixed to the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close, due to sagging hinges and an overall inefficiency. Sometimes just a few easy fixes can help these windows function smoothly once more and save homeowners money on energy bills.

To make these repairs to the sash it is important to have all of the tools needed before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will assist you in getting the channel back into place correctly when you're finished. Take the sash off and take out all the hardware including the parting beads cords, chains, and Window Sash Repairs cords that hold the sash in place. Soften any putty that has been hardened with the help of a heat gun set at medium and equipped with an shield to block the nozzle. Remove the old sash, and place it in a labelled bag.

Sash Weights

If your window sash repairs are to replace a broken cord or simply to keep your windows functioning and functional, replacing worn-out weights on sash can improve sash operation and reduce energy costs. Sash weights are heavy, lead or iron cylinders that are enclosed in a hidden cavity and attached to the movable window sash using rope. These weights act as counterbalances, which allows you to open and shut the window without requiring mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners and then turned into scrap when they break; therefore, you may need to locate replacements.

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

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

Once the sash has been released, you can remove the sash stops and access the pockets for weights. This is usually done through an opening at the bottom of every jamb. The hole is then covered with a wooden access panel which can be removed to let you observe the inner workings of the frame.

After you have the sash stopped and the access panel removed, you will be able to remove the old sash weight and replace it with the new. Make sure you weigh the sash before you do this, as the old weights may be a different size than the one you need. Once the new weight has been installed, run an appropriate length of string through the pulling mechanism. 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

In the majority of old double-hung windows the chain or cord is attached to the weights. This keeps the sashes in the jamb level. Over time, these cords could 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 screwed or nailed into and require removal. It may be possible to take them out using an axe or hammer, but it is always better to lay out dust sheets prior to starting any work.

After you have removed the access panel, you can begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves using the chisel or flat bar. They are usually wedged in or nailed but can be removed which is why it's worth your time here. If the sash remains in place, pry the mortise and tenon joints free using a hammer or screwdriver, then remove each wood peg. The sash should be able to move freely, however it might require some lubrication to make it feel less stiff.

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

It's best to leave the original weights if you've purchased a kit that will replace the old counterbalance. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you have the sash opened. Based on the size and shape of your window you might need to install one or two sashweights to keep it open.