Window Sash Repairs

Window sashes must be regularly checked for mold, mildew, and damage. By catching these problems early, you can save money on repairs in the future.

The sash is an internal frame that can move up and down vertically in windows that are open. This article will demonstrate how to do a variety of simple sash repair a door.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. If properly maintained, they will last for years. They can, however, get damaged or deteriorated over time, due to exposure and normal wear. Sash repair experts can restore windows to their original state and keep them looking great longer than replacement windows.

The first step for sash window repairs is addressing weather stripping. It's found on both the sash and frame. If it's loose or worn out, it could cause drafts, as well as other issues. To fix it, start by finding your window brand and glass manufacturer date (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 replacement weather stripping to match.

Then, remove the sash from its holder and place it on an even surface that allows you to see all four sides. If the sash is double-hung, remove the ropes and weights that should be buried within the jamb lining. After you've removed the sash, use a utility knife to cut away the weather stripping that was formerly in place at the corners, then remove it by hand or with a putty knife.

Once the sash is clear, you can replace the parting stops. These are long pieces that separate the sashes. Pam likes to replace these with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you can also use scrap wood.

After removing the stoppers for parting and cutting them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, 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 fresh look.

Sash Hardware

The hardware that supports the window sashes can wear out over time and with use. This can result in windows or doors that is difficult to open or close. It's important to know that replacing and door repairing this hardware is often straightforward and cost-effective. If you are having trouble opening the sash, spray some oil into the jamb channel. Then, slide the sash open to see if that fixes the issue. If the issue continues, it is most likely that the sash balance is off. It is necessary remove the window sash in order to access the hardware.

The ideal situation is for window sashes to swing open and closed without effort, but this can be an issue when the weights wear out or if the sash that joins rail isn't properly coated. This could be caused by various reasons such as an absence of maintenance or an unmatched weight rating.

If the hinges on the window begin to move, this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To remedy the issue ensure that the sash is aligned in the frame opening, and then take it off. If the sash window repair double glazing (visit this link) is screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Windows that are old, especially in older homes, can be difficult to close and open because of sagging hinges and an overall lack of energy efficiency. In many cases it is a matter of making a few minor adjustments that can help these windows function smoothly once more and save homeowners money on energy bills.

To make these sash repairs it is important to have all the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will help you to position the channel in the correct position after you've finished. Remove the sash and take off the hardware including the beads that separate (Photo 2) and the chains or cords that secure it. A hot gun with nozzle shield and medium setting will soften any putty that has been hardened. Remove the old sash and place it in a bag that is labeled.

Sash Weights

Sash weights are able to be replaced to improve the performance of your window sash, and also reduce energy costs. Sash weights are heavy lead or iron cylinders enclosed in a concealed cavity and connected to the movable the sash with rope. They provide counterbalance, allowing the window to be shut and opened without using mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners and then turned into scrap when they fail; therefore you might need to locate replacements.

It's difficult to retrieve the sash-weight that fell from the cavity, so you'll need to find one that fits properly. You will also require a new piece of string, a length of sash cord, and a few sash pulleys that will tie the new sash weights to the sash cord.

Mortise and Tenon joints can be used to join old wood windows. The wood pegs that hold the parts together can be removed by the use of a pin punch and hammer. The majority of them are large on one side, but smaller on the other. It is important to first remove the smaller diameter sides. Sashes made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line with a knife, then tapping the mortised area loose using mallets.

After the sash is released, you can remove stops on the sash and get access to the weight pockets. This is usually done through tiny holes at the bottom of each jamb. This hole is then covered by an access panel of wood that can be ripped off so that you can see the inner workings of the frame.

Once you have the sash stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with new. Weigh the sash first to ensure that the weights you have might not be the right size. After the new weight has been installed, run the string through the sash pulling mechanism. Then, attach the string to your boxed frame. Leave a few inches of space at the head of the string for future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain attached to the weights which supports and keeps the sashes balanced within the jamb. Over time, these chains can get damaged and make it impossible to raise the windows. A new sash cord will give you the ability to move the sash up and down and hold it in place when opened.

The first step in replacing sash cords is to find and remove the access panels in the jambs. They are usually nailed or screwed in and will need to be removed or relocated. You might be able to employ a hammer and chisel for removing them but it's best to lay down dust sheets before commencing any work.

After removing the access panel, you can begin working on the sash. Utilize a flat bar, or chisel, to pry the small parting beads out of their grooves. It's important to be patient because they are usually wedged or nailed in place. If the sash remains in place, pry the mortise-and tenon joints using a hammer or screwdriver and then remove each wood peg. You should be able to move the sash back and forth freely, although it might require lubrication if it feels stiff.

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

If you haven't purchased an upgrade kit to replace the old counterbalance system, it is recommended to keep the original balancing weights in place. It's not expensive to buy these from salvage shops for architectural purposes and they'll be simple to install once you have the sash unlocked. Depending on the dimensions and shape of your window, you might need to install one or two sashweights to keep it open.