Window Sash Repairs

Make sure to check the sashes of your windows regularly for damage, mildew, and mold. If you catch these issues early you can save money on repairs in the future.

The sash is an interior frame that is vertically moved upwards or downwards in windows that are open. This article will teach you how to do simple sash repairs.

Weather Stripping

Wood window sashes provide the classic look to your home. When properly maintained, they will last for years. However, they can be damaged or degraded over time, due to exposure and normal wear and tear. Sash repair specialists can restore windows to their original state and maintain their appearance much longer than replacement windows.

The first step to 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 issues. 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). Then, remove the sash and mark its width and height, so you can find the appropriate weather stripping replacement to match.

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

After the sash has been cleaned, you can replace the parting stops. These are long pieces that separate the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. However, you could substitute for a scrap piece of lumber.

After removing the stoppers for parting and trimming them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty knife, and allow it to dry for at least one day. Once the putty has fully cured, you can apply a topcoat of acrylic. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from time and usage, and the result can be a door or window that isn't able to open or close easily. The good news is that fixing and replacing this hardware is typically quite simple and inexpensive. If a sash isn't easy to operate, try spraying some lubrication into the jamb channel then slide it open to see if that solves the issue. If the issue persists it's most likely to be due to the sash's balance. It is necessary remove the window sash to reach this hardware.

Ideally, window sashes must be able to open and close with minimal effort but this can be difficult if the weights become worn or if the sash meeting rail isn't properly glazed. This problem can be caused by a number of factors, including the lack of maintenance or an incorrect weight rating for the particular sash.

If the hinge arms of a window are beginning to sag, this can cause the sash to slide and eventually land on the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix this issue, first make sure the sash fits squarely in the opening of the frame and then remove it from the Window repair (gwwa.yodev.net). If the sash has been attached to the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Old windows, particularly those in older houses, can be difficult to open and close due to sagging hinges and an overall lack of energy efficiency. In many instances, a few minor repairs can transform these windows into smooth operators and save homeowners cash on energy costs.

To complete these sash repairs it is important to have all the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will allow you to get the channel back into position correctly after you've completed. Remove the sash, and then remove the hardware, including the parting beads (Photo 2) and the chains or cords that secure it. Soften any hardened putty with the help of a heat gun set at medium and equipped with a shield to block the nozzle. 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 decrease energy costs. Sash weights are composed of heavy lead or Window repair iron cylinders that are enclosed inside a concealed cavity, and are connected via ropes to the moveable window sash. These weights act as counterbalances, allowing you to open and close the window without requiring mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners, and are turned into scrap when they fail. Consequently you might need to locate replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to find a new one that fits properly. You will also need a new piece of string, a length sash cord, and a few sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints can be used to join older wood windows. Pin punch and hammer can be used to remove the wood pegs that hold the parts together. The majority of these pegs are big on one side, and smaller on the other. It is crucial to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting the glue line using a knife, then tapping the mortised area loose using a mallet.

After the sash has been removed and removed, you can take off the sash stop and access the weight pocket. Usually, this is done through a hole near the bottom of each jamb. This hole is covered by a wooden access panel that can be cut off to allow you to view the inside of the frame.

When the sash has been shut off and the access panel is removed, you are able to remove the weight you used and replace it. Be sure to weigh the sash before you begin, as the old weights could be a different size than what is needed. After the new weight is installed, run the string through the sash pulling mechanism. Then attach the string to the boxed frame, leaving a few inches of string hanging from the head to allow for future adjustments.

Sash Cords

The majority of double-hung windows with a history have a cord or chain connected to the weights that helps keep the sashes level within the jamb. Over time, these chains can get damaged and make it difficult to raise windows. A new sash cable will restore the ability to raise and lower the sash, and ensure it stays in place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically installed by screws or nails and will require to be removed or repositioned. You could employ a hammer and chisel to prise them off but it's best to lay down dust sheets prior to starting any work.

After removing the access panel, you can begin working on the sash. Use a flat bar or chisel, to pry the small partsing beads out of their grooves. They are typically wedged into or nailed, but they can be snipped out, so it's worth taking your time. If the sash is still in place, break the mortise and tenon joints with pin punch and hammer or screwdriver, then remove the wood pegs that are on the components. The sash should move around freely now, however it might require some lubrication to feel less stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to extend from the pulley in the top of the jamb to the sash slot in the bottom. Cut the cord or chain, and then attach it as described in the step 6 above. You can do this with nail, hammer or screws. However, nails are less likely to cause damage.

It's best to leave the original weights in place unless you've purchased a kit to replace the counterbalance. It's cheap to purchase them from architectural salvage stores and they'll be easy to install once you've got the sash opened. Based on the size and shape of your upvc window repairs, you might need to install one or two sashweights to keep it open.