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Window Sash Repairs

Regularly inspect the window sashes for any damage, mildew and mold. By catching problems before they become serious you will save money on repairs in the future.

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

Weather Stripping

Wooden window sashes are a great way to add a classic look 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 and tear. Sash repair experts can restore windows back to their original condition and maintain their beauty longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's worn or loose, out, it could cause drafts and other problems. To fix it, begin by determining the brand of your window 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 get replacement weather stripping that matches.

Then, remove the sash and set it on a work surface so that you can reach all four sides. If the sash is double-hung, you'll also need to remove the weights as well as the ropes that go with them which should have slipped into the pocket that was intended to be in the jamb liner. After removing the sash with the utility knife, take off the old weather stripping by hand or using a putty blade.

After the sash is cleared, you can install the stoppers that separate the two sashes. They are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. But, you can substitute for a scrap piece of lumber.

After removing the parting stop and cutting it to length after which, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a few days. After it has fully dried, apply a top coat of acrylic latex paint. This will help protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from time and usage, and the result can be a door or window that won't open or close easily. The good thing is that fixing and replacing this hardware is usually relatively easy and affordable. If a sash isn't easy to operate try spraying oil into the jamb channel, and then open it to see if it solves the issue. If not, the issue is likely to be with the balance of the sash and you'll have to take off the sash to access the hardware.

The ideal situation is for window repairs sashes to swing open and closed without effort, but this is an issue if the weights become worn or if the sash's meeting rail isn't properly glazed. This issue could be caused by many factors, including a lack of maintenance and a mismatched weight rating.

If the hinge arms on a window repair begin to sag this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the opening of the frame and then remove it from the window. If the sash was screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Old windows, especially those in older homes, can be difficult to close and open due to sagging hinges and an overall lack of energy efficiency. In many cases, a few simple repairs can transform these windows into smooth operation for the first time and save the homeowner money on energy costs.

It is important to have the tools needed before you start. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will allow you to position the channel in the correct location after you've completed. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the chains or cords which hold it in place. Soften any putty that has been hardened with the help of a heat gun set at medium and fitted with an shield for the nozzle. Remove the old sash, and put it in a labelled bag.

Sash Weights

Sash weights are able to be replaced to improve the operation of your window sash and decrease the energy cost. Sash weights are composed of heavy iron or lead cylinders that are enclosed inside a concealed cavity, and connected by ropes to the movable window sash. They function as counterbalances, which allows you to open and close the window without the need for mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners and turned into scrap when they break; therefore, you may need to find replacements.

A sash weight that has fallen out of the cavity is difficult to retrieve, so you will want to find a new one that fits correctly. You will also require an additional piece of string, a length the sash cord, as well as some sash pulleys to connect the new sash weights to the sash cord.

Older windows made of wood are joined by mortise and tenon joints. The wood pegs that keep the parts together can be removed with the use of a pin punch and hammer. The majority of these pegs have an enormous diameter on one side and a smaller size on the other, so it is important to remove the small-diameter sides first. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting the glue line with an instrument, and then tapping the mortised area loose using a mallet.

Once the sash has been released, you can remove sash stops and access the weight pockets. Usually, this is done through an opening in 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.

After the sash has been stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with new. Be sure to weigh the sash first because the weights you have might not be of the right size. Once the new weight is in place then tie a string to it and then thread it through the sash pulley. Then nail the string to the frame, leaving a few inches of string protruding 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 connected to the weights that keeps the sashes level within the jamb. As time passes, these cords can become damaged and render it impossible to raise windows. A new sash cable will give you the ability to move and lower the sash and ensure it stays in place when it is opened.

The first step to replace sash cords is to find and remove the access panels in the jambs. They are typically fixed or screwed in and will require to be removed or relocated. You could employ a hammer and chisel to remove them, but it's always better to lay down dust sheets before commencing any work.

After the access panel has been removed, you can begin working on the sash. Use a flat bar or chisel to pry the small parting beads out of their grooves. They are typically wedged into or nailed, but they can be removed and it's worth your time here. If the sash is still in place, break the mortise and tenon joints free with a hammer or screwdriver and then take out each wood peg. You should now be able to move the sash back and forth freely, although it will probably need some oil if it feels stiff.

Take a measurement of the length of sash chain/sash cord needed to reach the sash slot at the bottom from the pulley on the top of the jamb. Cut the cord/chain and then secure it as in the previous step. You can employ a hammer, screws or nails, but nails are less likely to cause damage.

It is best to keep the weights that came with the original counterbalance unless you have purchased a kit to replace the counterbalance that was previously installed. They are not expensive and are easy to install if you buy them from architectural salvage stores. Based on the size of your window one or two sashweights may be needed to keep the sash in an open position.