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Window Sash Repairs

Regularly inspect the window sashes for any damage, mildew and mold. You can reduce future repair costs by catching problems early on before they become out of control.

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

Weather Stripping

Wooden window sashes can give an elegant appearance to your home. They are also durable and will last for many years provided they are properly maintained. They may, however, become damaged or degraded with time due to exposure and normal wear. Thankfully, sash repair experts can bring your windows back to their original condition and keep them looking fantastic for 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. It can cause drafts if it's worn or loose. Start by identifying the window brand 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 that you can get new weather stripping that is compatible with the original.

Next, remove the sash and set it on a surface to allow access to all four sides. If the sash is double-hung, remove the ropes and weights that should be buried within the jamb lining. Once you've taken the sash off using a utility knife, you can use it to remove the weather stripping from the corners, and then remove it manually or with a putty knife.

Once the sash has been cleared, you can replace the 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. However, you can also replace them with scrap wood.

After removing the stopper and cutting it to length after which, apply a thin layer of glazing compound over the bottom of the sash. Smooth out the compound using your putty knife and let it dry for at least a day. After it has fully dried, apply a top coat of acrylic latex paint. This will protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that supports window sashes prone to wearing out from age and use and the result could be a door or window that won't open or close easily. The good news is that repairing and replacing this hardware is typically relatively easy and affordable. If you are having trouble opening the sash, spray some oil into the jamb channel. Then, you can slide the sash up and open to see if that fixes the issue. If not, the issue is most likely due to the balance of the sash and you'll need to take out the sash to access the hardware.

Sashes for windows should be able to open and close without much effort. However, this may be difficult if the weights are worn out or the sash meeting rail is not properly coated. This problem can be caused by a number of things, such as the lack of maintenance or an incorrect weight rating for a particular sash.

If the hinges on a window begin to sag this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To correct the issue ensure that the sash is aligned in the frame's opening and take it off. If the sash is screwed to the hinge arm, you'll need to loosen the hinge arm and pspskorea.com replace it (Photo 2). Then, you can install the new sash (Photo 3).

Windows that are old, especially in older homes, may be difficult to open and close, due to hinges that are sagging and general inefficiency. In many instances, a few easy repairs can turn these windows into smooth operation and save homeowners money on energy bills.

To make these sash repairs, it's important to have all the tools needed before you begin. Mark the location of the hinge channel on the frame (Photo 1) using a pencil. This will allow you to get the channel back in place correctly when you're finished. Remove the sash and then remove all hardware including the parting beads, cords, and chains that hold the sash in place. Soften any hardened putty using the help of a heat gun set at medium and fitted with a nozzle shield. Remove the old sash, and store it in a bag labeled.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or to ensure that the windows are functional, replacing worn out weights on sash can improve sash operation and help reduce energy costs. Sash weights are made of iron or lead cylindricals that are contained inside a concealed cavity, and are connected via ropes to the movable window sash. These weights act as counterbalances, which allows you to open and close the window without the need for mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners, and are turned into scrap when they fail. Consequently, you may need to search for replacements.

A weight from a sash that fell out of the cavity is difficult to retrieve, so you will want to find a new one that fits properly. You will also need an additional piece of string, a length of sash cord and some sash pulleys to connect the new sash weights to the sash cord.

Mortise and Tenon joints are used to join windows made of older wood. Hammers and pins can be used to take out the wood pegs that hold the components together. The majority of these pegs have large diameters on one side and a smaller diameter on the other, which is why it is essential to remove the smaller-diameter sides first. Later sashes used glue instead of pins. They can be separated by using a knife or a mallet.

After the sash has been removed then you can take out the sash stop and access the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. The hole is then covered with an access panel made of wood that can be ripped off to let you observe the inner workings of the frame.

After the sash has been stopped 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 do this, as the old weights may be different in size from the one you need. After the new weight is installed then tie a string to it and thread it through the sash pulley. Then attach the string to the frame, leaving a few inches of string hanging from the head to allow for future adjustments.

Sash Cords

The majority of double glazed window repairs-hung windows with a history come with a chain or cord attached to the weights which helps keep the sashes in balance within the jamb. Over time, these chains 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 opened.

The first step to replace sash cords is to locate and take out the access panels located in the jambs. These are usually fixed or screwed in and will require to be removed or moved. You could use a hammer or chisel for removing them however, it is always best to lay down dust sheets prior to starting any work.

Once the access panel is removed, you can start working on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves with flat bar or chisel. It is important to be patient because they are usually stuck or nailed to the floor. If the sash remains in place, pry out the mortise and tenon joints with the help of a hammer and pin or screwdriver, then remove the wood pegs attached to each component. It should now be possible to move the sash back and forth freely, though it might require oil if it feels stiff.

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

It's best to leave the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance that was previously installed. They are not expensive and easy to install if you purchase them from salvage shops for architectural use. Based on the size of your window, two or three sash weights might be required to keep it open.