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Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and damage. You can reduce the cost of repairs in the future by catching these issues in the early stages, before they become too much.

The sash is an internal frame that moves vertically up and down in windows that open. This article will teach you how to do a variety of simple sash repair.

Weather Stripping

Wooden window sashes can give a classic look to your home. They are also durable and will last for many years when they are maintained properly. However, they can be damaged or degraded over time because of exposure to the elements and wear and wear and tear. Sash repair specialists can restore windows to their original condition and keep them looking great longer than replacement windows.

Weather stripping is the primary aspect to consider when you are repairing windows that have sash. It's on both the frame and the sash. It can cause drafts if it's damaged or is loose. Start by identifying the brand of window and the date of manufacture for the glass (etched on the glass's corner or the aluminum spacers between panes). Take the sash off and mark its width and height so that you can find a new weather stripping that is compatible with the original.

Then, you can remove 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 repair-hung, take out the ropes and weights that should have fallen into the pocket in the jamb lining. Once you've removed the sash using a utility knife, you can use it to cut off the weather stripping that was formerly in place at the corners, and then take it off by hand or using a putty blade.

Once the sash is clear and clean, you can put in the parting stops. These are long pieces wood that separate the two sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. However, you could also use for a scrap piece of lumber.

After removing the stopper for the parting and trimming it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a day. When it's completely 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 the window sashes can wear out with time and 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 fixing this hardware is usually simple and inexpensive. If you're having trouble opening a sash spray some lubricant into the jamb channel. Then, you can slide the sash up and open to see if this resolves the issue. If the problem persists, it is most likely that the sash balance is off. You will need to take off the window sash to get access to this part of the hardware.

Ideally, window sashes should move open and shut without effort, however, this can be a difficult task if the weights become worn or if the sash's meeting rail isn't properly coated. This problem can be due to many factors such as the lack of maintenance or a mismatched weight rating.

If the hinges on windows begin to slide, this could cause the sash to drag and then hit the frame at the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame opening and then take it off. If the sash has been screwed to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, older windows, especially those in older homes, may be difficult to open or close. In most instances, a few easy repairs can transform these windows into smooth operators for the first time and save the homeowner cash on energy costs.

To complete these repairs to sash, it's important to have all of the necessary tools in place before you begin. Begin by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to put the channel in the proper place when you are 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 putty that has been hardened with an electric heat gun set to medium and fitted with a shield to block the nozzle. Remove the old sash and store it in a labeled bag.

Sash Weights

Sash weights are able to be replaced to improve the operation of your window sash and decrease the cost of energy. Sash weights are made of iron or lead cylinders that are encased in a concealed cavity and attached by a rope to the movable window sash. These weights act as counterbalances and allow you to open and shut the window without the need for mechanical or window sash repairs electrical devices. The sash weights are usually disregarded or disabled by homeowners, and are turned into scrap when they fail. Consequently you might need to search for replacements.

It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length of sash cord and some sash pulleys to connect the new sash weights onto the sash cord.

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

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

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

Sash Cords

In the majority of old double-hung windows the chain or cord is affixed to the weights. This keeps the sashes of the jamb level. Over time, these chains can get damaged and render it impossible to raise windows. A new sash cord will give you the ability to move the sash upwards and downwards and will keep it in its position when it is 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. You might be able to employ a hammer and chisel to remove them but it's best to lay down dust sheets before starting any work.

After the access panel has been removed, you can begin working on the sash. Utilize a flat bar or chisel to pry the small parting beads out of their grooves. It is essential to be patient as they're often wedged or nailed in place. If the sash remains in place, break the mortise and the tenon joints by 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 around freely now, however it might require some lubrication in order to feel less stiff.

Determine the length of the sash chain or sash cord needed to reach the sash slot at the bottom of the pulley on the top of the jamb. Cut the chain or cord and fix it using the step 6 above. You can use a hammer and screws or nails, however nails are less likely to cause damage.

It's best to leave the weights that came with the original counterbalance unless you have purchased a kit to replace the counterbalance that was previously installed. It's not expensive to buy them from a salvage store and they will be easy to install once you have the sash opened. Depending on the dimensions and Window Sash Repairs shape of your window, you may require one or two sashweights to keep the sash open.