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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. You can avoid future repair costs by catching these issues in the early stages, before they become out of control.

The sash is the internal framing that moves vertically upwards or downwards in windows that open. This article will show you how to do simple sash repairs.

Weather Stripping

Wooden window sashes can add an elegant look to your home. They are also sturdy and can last many years if they are properly maintained. They can, however, be damaged or degraded over time due to exposure or normal wear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking great for a longer period of time than replacement windows.

The first step for sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. It can cause drafts if worn or loose. To fix it, begin by determining your window's brand and glass manufacturer date (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 purchase replacement weather stripping that matches.

Then, remove the sash from its holder, and place it on flat surfaces to allow you to access all four sides. If your sash was double-hung, you must remove the weights with their ropes that should fall into the pocket within the jamb lining. After you have removed the sash using the utility knife, remove the old weather stripping by hand or with a putty blade.

After the sash has been cleared, you can replace the parting stops. These are long pieces that split the sashes. Pam prefers standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you can substitute a scrap piece of wood.

After removing the parting stop and cutting it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry for at least one day. After it has fully dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash an updated appearance.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and use. This could lead to windows or doors that is difficult to open or close. It's a good idea to know that replacing or repairing this hardware is often straightforward and cost-effective. If a sash isn't easy to operate, try spraying some oil into the jamb channel and then open it to see if it fixes the problem. If not, the issue is likely with the balance of the sash and you'll need to remove the sash to access the hardware.

Sashes for windows should be able to open and close without much effort. However, this could be a challenge if the weights have been worn out or the sash-to rail meeting rail is not properly coated. This issue could be caused by a variety of factors such as the lack of maintenance or an unmatched weight rating.

If the hinge arms on the window begin to move, this can cause the sash drag, and then eventually to hit the frame in the opposite corner (Photo 1). To resolve this issue, first make sure the sash is firmly seated in the opening of the frame and then remove it from the window. If the sash has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, windows that are old particularly those in older houses, could be difficult to open and close. In many cases, a few simple repairs can transform these windows into smooth operation and save homeowners money on energy costs.

It is essential to have the tools needed before you start. Mark the hinge channel location on the frame (Photo 1) using pencil. This will assist you in getting the channel back into 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. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash, and store it in a labeled bag.

Sash Weights

Whether your window sash repairs are to replace a broken cord or just to keep the windows functional and functional, replacing worn-out sash weights will improve sash operation and help reduce the energy cost. Sash weights are heavy lead or iron cylinders that are enclosed in a concealed cavity and connected to the movable the sash with rope. They provide counterbalance, allowing the window repair to be closed and opened without the need for mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners, window repairs and are turned into scrap when they fail; therefore, you may need to search for replacements.

A weight from a sash that fell out of the cavity is difficult to get back, so you will want to find a new one that fits properly. You will also require a new piece string, a length sashcord and some sashpulleys to tie the new weights to the cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed by pin punches and hammers. Most of them have an enormous diameter on one side and a smaller diameter on the other side, so it is crucial to take out the small-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised area loose using a mallet.

After the sash has been removed, you can remove the stopper on the sash and get access to the weight pocket. This is usually done through a small hole at the bottom of every jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inside workings.

After you have the sash stopped and the access panel removed, you'll be able to take off the weight of the old sash and replace it with the new. Make sure you weigh the sash prior to you begin, as the old weights could be different in size from what is needed. After the new weight is installed then tie a string to it and then thread it through the pulley for the sash. Then, attach the string to your boxed frame. Leave a few inches at the head of the string to allow future adjustments.

Sash Cords

Most old double-hung windows include a chain or Window repairs cord attached to the weights which supports and keeps the sashes level within the jamb. Over time these cords can break, making it impossible to raise the window. A new sash cable can restore the ability to move and lower the sash, and keep it in place when it is opened.

The first step in replacing cords for sash is to locate and remove the access panels in the jambs. They are usually attached by nails or screws and need to be removed. You might be able to use a hammer or chisel to remove them however, it is always best to lay down dust sheets prior to starting any work.

After you have removed the access panel, you are able to begin to work on the sash. Use a flat bar or chisel to pull the small partsing beads out of their grooves. It is essential to be patient as they're often placed in a wedge or nail. If the sash remains in place, break the mortise and tenon joints with pin punch and hammer or screwdriver, and then take out the wood pegs on each component. The sash should be able to move freely, however it may need some lubrication to feel less stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to reach from the pulley on the top of the jamb to the sash slot in the bottom. Cut the cord or chain and fix it using the previous step. You can do this with a hammer, nails or screws. However, nails are less likely than screws to cause damage.

It is best to keep the original weights in place unless you've purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase these from salvage shops for architectural purposes and they will be easy to install once you have the sash open. Based on the size of your window, two or three sash weights may be needed to keep it open.