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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew and other damage. You can save the cost of repairs in the future by catching the issues in the early stages, before they become out of control.

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

Weather Stripping

Wooden window sashes can add an elegant appearance to your home. They are also durable and will last for many years if they are properly maintained. They may, however, get damaged or deteriorated over time due to exposure or normal wear. Sash repair specialists can restore windows to their original condition and maintain their beauty longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it could cause drafts, as well as other issues. Begin by identifying the brand of window and the date of manufacture for the glass (etched on the glass's corners or on the aluminum spacers between panes). Remove the sash, and mark its width and height so you can purchase replacement weather stripping that matches.

Then, take the sash from its holder and place it on an even surface that allows you to see all four sides. If your sash is double-hung, you'll have to remove the weights as well as the ropes that go with them which should have slipped into the pocket of the jamb liner. After you have removed the sash using the utility knife, you can remove the weather stripping from the old sash by hand or with a putty blade.

Once the sash has been cleared, you can install parting stops. These are long pieces wood that divide the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. However, you could also substitute a scrap piece of wood.

After removing the stoppers for parting and trimming them to your desired length, apply a thin layer of glazing compound on the bottom of the sash. Smooth out the compound using your putty knife, then let it dry for at least a few days. Once it's fully cured then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear from age and use, and the result can be a door or window that won't open or close easily. It's important to know that replacing or repairing this hardware is often easy and affordable. If a sash isn't easy to operate you can try spraying some lubrication into the jamb channel then slide it open to see if this solves the issue. If not, the problem is likely to be with the sash balance and you'll need to take out the sash to gain access to the hardware.

The ideal situation is for window sashes to move open and shut with minimal effort but this can be a difficult task when the weights are worn or if the sash's meeting rail isn't properly coated. This problem can be caused by a number of reasons, such as the lack of maintenance or the wrong weight rating for the specific upvc window repairs sash.

If the hinge arms on the window begin to move, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame opening and then remove it. If the sash was attached to the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Due to sagging hinges, and a general lack in energy efficiency, old windows especially in older homes, may be difficult to open and close. In many instances, a few minor repairs can turn these windows into smooth operators and save homeowners money on energy bills.

To complete these repairs to sash, it's important to have all of the necessary tools in place before you begin. Mark the location of the hinge channel on the frame (Photo 1) using pencil. This will allow you to put the channel in the right position after you've finished. Take the sash off, and remove all the hardware, including the parting beads cords, chains, and cords that keep the sash in place. Soften any hardened putty using a heat gun set to medium and equipped with a shield for the nozzle. Remove the old sash and keep it in a bag labeled.

Sash Weights

If your window sash repairs are to replace a damaged cord or simply to keep your windows functioning by replacing worn out sash weights will improve sash operation and help reduce the energy cost. Sash weights are heavy, lead or iron cylinders enclosed in a concealed cavity and connected to the movable window sash using a rope. These weights function as counterbalances, allowing you to open and close the window without requiring mechanical or electrical devices. When they fail, sashweights are often neglected or not used by homeowners.

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 fresh piece of string, a length of sashcord and some sashpulleys to tie the new weights to the cord.

Mortise and Tenon joints can be used to join windows made of older wood. The wood pegs that hold the components together can be removed with pin punches and hammers. Most of these pegs have an enormous diameter on one side and a smaller one on the other, so it is important to remove the smaller-diameter ones first. Later sashes utilized glue instead of pins. They can be cut by using a knife or mallets.

After the sash is released, you can remove the sash stops and access the weight pockets. Usually it is done by drilling an opening at the bottom of each jamb. The hole is surrounded by an unfinished wooden panel that can be removed to reveal the inside workings.

When the sash has been shut off and the access panel has been removed, you are able to remove the weight you used and replace it. Make sure you weigh the sash before you begin, as the old weights could be different sizes than what you require. After the new weight is installed, tie a string to it and thread it through the pulley of the sash. Then, you can attach the string to the boxed frame. Leave a few inches of space at the end of the string for future adjustments.

Sash Cords

In most old double-hung window the chain or cord is affixed to the weights. This keeps the sashes in the jamb balanced. Over time, these cords could break, making it difficult to raise the upvc window repair near me. A new sash cord will give you the ability to move the sash upwards and downwards and will keep it in its place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. These are usually installed by screws or nails and must be removed or repositioned. It may be possible to remove them using an axe or hammer, but it is always better to lay out dust sheets prior to beginning any work.

Once the access panel is removed, you can start working on the sash. Use a flat bar or chisel, to pry the small parting beads out of their grooves. They are usually wedged in or nailed in, but they can be prised free, so it's worth taking your time here. If the sash is still 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 be able move freely, however it may require some lubrication to feel less stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to extend from the pulley on the top of the jamb to the sash slot on the bottom. Cut the cord or chain and secure it in the step 6 above. You can do this with nail, hammer or screws. However, nails are less likely to cause damage.

It's best to leave the weights that came with the original counterbalance unless you've purchased a kit to replace the counterbalance that was previously installed. They're not expensive and easy to install if you purchase them from architectural salvage stores. Depending on the size of your window, one or two sash weights might be required to keep it open.