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Window Sash Repairs

upvc window repair sashes must be regularly checked for mold, mildew and damage. You can reduce the cost of repairs in the future by catching problems early on, before they become too much.

The sash is an internal frame that can move up and down vertically in windows that are open. This article will teach you how to carry out a few simple repairs to the sash.

Weather Stripping

Wooden window sashes can give an elegant appearance to your home. They are also sturdy and can last many years when they are maintained properly. They can, however, get damaged or deteriorated over time, due to exposure and normal wear and tear. Sash repair specialists can restore windows to their original state and keep them looking great much longer than replacement windows.

The first step to sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's loose or worn out, it could cause drafts, as well as other issues. To fix it, start by determining your window's brand and the date on which the glass was manufactured (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 new weather stripping that matches.

Then, take the sash from its holder and place it on a flat surface to allow you to see all four sides. If the sash is double glazed window repairs-hung, you must remove the weights using their ropes that should fall into the pocket within the jamb lining. Once you've taken the sash off, use a utility knife to remove the weather stripping from the corners. Then, take it off by hand or with a putty knife.

After the sash is cleared, you can install the stoppers that separate the two sashes. These are long pieces that divide the sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. However, you can also substitute with 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 to the bottom of the sash. Smooth the compound using your putty tool and allow it to dry for at least one day. When it's completely dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from the wear and tear of use and the result could be a window or door that can't be opened or closed easily. The good news is that fixing and replacing this hardware is usually relatively easy and affordable. If a sash isn't easy to operate try spraying grease into the jamb channel then open it to see if that fixes the problem. If the problem persists it's likely the sash balance. You will need to take off the window sash in order to reach this hardware.

Window sashes should be able to open and close with minimal effort. However, this could be a challenge if the weights have been worn out or the sash-to-rail meeting rail is not properly coated. This issue can be caused by a variety of factors, including the lack of maintenance or a mismatched weight rating for a particular sash.

If the hinge arms of a window are starting to lose their elasticity, this could cause the sash's to drag and eventually strike the frame in the corner in the opposite direction of the hinge arm (Photo 1). To fix the problem make sure the sash is aligned in the frame opening, and then take it off. If the sash has been fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Old windows, especially those in older homes, may be difficult to open and close, due to sagging hinges and general lack of energy efficiency. Many times just a few easy fixes can help these windows function smoothly and save homeowners money on their energy bills.

It is important to have the tools you need before you begin. Begin by marking the position of the hinge channel on the frame with a pencil (Photo 1). This will assist you in getting the channel back in position correctly after you've completed. Take the sash off and take out all the hardware, including the beads for parting cords, chains, and cords that keep the sash in place. A hot gun with nozzle shield and medium setting will soften any hardened putty. Remove the old sash and keep it in a bag with a label.

Sash Weights

Sash weights can be replaced to enhance the efficiency of your window sash and reduce the cost of energy. Sash weights are heavy, lead or iron cylinders that are enclosed in a concealed cavity and linked to the moveable the sash with a rope. They provide counterbalance, allowing the window to be closed and opened without the need for mechanical or electrical devices. If they fail, sashweights tend to be neglected or not used by homeowners.

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

Mortise and Tenon joints can be used to join windows made of older wood. The wood pegs that keep the parts together can be removed using the use of a pin punch and hammer. The majority of these pegs are big on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Later sashes made use of glue instead of pins. They can be separated by using a knife and a mallet.

After the sash is removed and removed, you can take off the sash stop and gain access to the weight pocket. Usually this is accomplished by drilling an opening at the bottom of each jamb. The hole is surrounded by a wooden panel that can be removed to reveal the inner workings.

After the sash has been stopped and the access panel removed, you will be able to take off the weight from the sash and replace it with the new. Make sure you weigh the sash prior to you do this, since the weights that were previously used may be a different size than what is needed. After the new weight has been installed, thread the string through the sash pulling mechanism. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.

Sash Cords

Most double-hung windows of the past include a chain or cord attached to the weights which keeps the sashes balanced in the jamb. As time passes, these cords may break, making it difficult to raise the window. A new sash cable will give you the ability to raise and lower the sash, and keep it in place when it is opened.

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

After the access panel has been removed, you can start working on the sash. Use a flat bar or chisel to pull the narrow parting beads out of their grooves. It is essential to be patient as they're often placed in a wedge or nail. If the sash remains in place, pry the mortise-and-tenon joints out using a hammer or screwdriver, then remove each wood peg. You should now be able to move the sash back and forth without difficulty, though it may require lubrication if it feels stiff.

With the sash open Take a measurement of the sash chain to extend from the pulley in the top of the jamb to the sash slot at the bottom. Cut the cord/chain and secure it in the step 6 above. You can use a hammer, nails or screws. However nails are less likely than screws to cause damage.

Unless you've bought a kit that replaces the counterbalance system that was in place before, it is recommended to keep the original weights for balancing in place. They are not expensive and easy to install if you purchase them from salvage shops for architectural use. Depending on the size of your window, one or two sashweights may be needed to keep the sash in an open position.