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Window Sash Repairs

Window sashes must be regularly checked for mold, mildew and damage. By catching problems before they become serious, you can save money on future repairs.

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

Weather Stripping

Wooden window sashes can give an elegant look to your home. They are also sturdy and will last for many years if they are properly maintained. They may, however, become damaged or degraded with time due to exposure and normal wear and tear. However, sash repair timber windows experts can restore your windows to their original condition and maintain their appearance for much longer than newer replacement windows.

Weather stripping is the first issue to take care of when fixing sash windows. It's on both the frame and the sash. If it's damaged or worn out, it could cause drafts, as well as other issues. To fix it, begin by finding your window brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash and mark its width and height so you can find a new weather stripping that is compatible with the original.

Then, take the sash from the holder and place it on a flat surface to allow you to reach all four sides. If your sash has been double-hung, remove the weights with their ropes that should fall into the pocket within the jamb lining. Once you've taken the sash off, use a utility knife to cut off the weather stripping that was formerly in place at the corners. Then, take it off by hand or with a putty knife.

After the sash has been cleared, you can replace the stoppers that separate the two sashes. These are long pieces wood that separate the two sashes. Pam likes to replace them with standard 1/2-inch by 3/4-inch window repairing trim from the lumberyard, but you could also use scrap wood.

After removing the stopper for the parting and cutting it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a day. After the putty has completely cure and dried, you can apply a topcoat of acrylic latex. This will protect the putty and give your sash an updated appearance.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from age and use, and the result can be a window or door that won't open or close easily. It's a good idea to know that replacing and repairing upvc doors (bambinifurniture.ru explains) this hardware is often easy and affordable. If a sash becomes difficult to operate try spraying oil 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 in order to access this hardware.

Ideally, window sashes should be able to open and close without effort, but this is difficult when the weights are worn or if the sash meeting rail isn't properly glazed. This issue could be caused by a variety of factors, including insufficient maintenance or the wrong weight rating for the particular window sash.

If the hinge arms on a window begin to sag this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To resolve this issue, first make sure the sash fits squarely in the opening of the frame and then remove it from the window. If the sash is screwed to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Due to sagging hinges, and a general lack of energy efficiency, windows that are old particularly those in older houses, could 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 costs.

It is essential to have the tools you need before you begin. Start by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will allow you to place the channel in the right position after you've finished. Then, remove the sash and remove the hardware including the parting beads (Photo 2) and the cords or chains that secure it. Soften any putty that has been hardened with a heat gun set to medium and fitted with an shield to block the nozzle. Remove the old sash, and place it in a labelled bag.

Sash Weights

Whether your window sash repairs are to replace a broken cord or just to keep your windows functioning and functional, replacing worn-out weights for sash will improve its operation and help reduce energy costs. Sash weights are composed of heavy iron or lead cylinders that are encased in a concealed cavity and are connected via ropes to the movable window sash. These weights function as counterbalances, allowing you to open and shut the window without the need for mechanical or electrical devices. If they fail, sashweights are usually left unnoticed or disabled by homeowners.

It is difficult to recover a sash-weight that has fallen from the cavity, so you'll want to find one that fits correctly. You will also need an additional piece of string, a length of the sash cord, as well as some sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs holding the parts together can be removed by the use of a pin punch and hammer. The majority of these pegs have a large diameter on one side and a smaller one on the other, so it is important to remove the small-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line using a knife, then tapping the mortised section loose with mallets.

Once the sash has been released, you can remove stops on the sash and get access to the pockets for weights. Usually, this is done through an opening in the bottom of each jamb. The hole is then covered with an unfinished wooden panel that can be removed to reveal the interior workings.

After the sash has been stopped and the access panel removed, you'll be able to take off the old sash weight and replace it with new. Be sure to weigh the sash before you do this, as the weights that were previously used may be different sizes than what is needed. Once the new weight is installed, thread the string through the sash pulling mechanism. Then, attach the string to your boxed frame. Leave a few inches of space at the top of the string to allow future adjustments.

Sash Cords

In the majority of double-hung windows the chain or cord is affixed to the weights. This supports and keeps the sashes in the jamb balanced. Over time, these cords can become damaged and make it impossible to raise windows. A new sash cable will give you the ability to move and lower the sash, and keep it in position when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. These are usually screwed or nailed in and need to be removed. It is possible to remove them using an axe or hammer, but it is always best to lay out dust sheets prior to beginning any work.

After you have removed the access panel, you can begin to work on the sash. Use a flat bar or chisel to pry the narrow parting beads from their grooves. They are typically wedged into or nailed in, but they can be snipped out, so it's worth taking your time. If the sash is still in place, break the mortise and tenon joints free using a hammer or screwdriver and then take out each wood peg. The sash should be able move freely now, but it might require some lubrication in order 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 at the top of the jamb to the sash slot on the bottom. Cut the cord or chain and attach it as described in Step 6 above. You can use either nail, hammer or screws. However nails are less likely to cause damage.

If you don't have an item that replaces the old counterbalance system it's best to keep the original weights for balancing in place. It's cheap to purchase these from salvage shops for architectural purposes and they'll be simple to install once you've got the sash opened. Based on the size and shape of your window, you may need to use one or two sashweights to keep the sash open.