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Window Sash Repairs

Window sashes must be checked regularly for mold, mildew and damage. By catching problems before they become serious, you can save money on future repairs.

The sash is an inside frame that can move up and down vertically in windows that open. This article will show you how to do simple repairs to sash.

Weather Stripping

Wooden window sashes can give a classic look to your home. They are also durable and last for a long time if they are properly maintained. They can, however, get damaged or deteriorated over time, due to exposure and normal wear and tear. However, sash repair experts can restore your windows to their original condition and keep them looking fantastic for longer than replacement windows.

The first step to sash window repairs is addressing weather stripping. It's found on both the sash and frame. It can cause drafts if it's worn or loose. To fix it, start by finding your window brand 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 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 an even surface that allows you to reach all four sides. If the sash is double-hung, remove the weights using their ropes that should have fallen into the pocket within the jamb lining. After removing the sash using the utility knife, remove the weather stripping from the old sash by hand or using a putty blade.

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

After removing the stopper and cutting it to length and then apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for a minimum of a day. After the putty has completely dried and dried, you can apply an acrylic latex topcoat. This coating will protect the putty and give your sash a new look.

Sash Hardware

The hardware that supports the window sashes may wear out over time and use. This could lead to the window or door that is difficult to open or close. It's good to know that replacing or repairing this hardware is often easy and affordable. If a sash isn't easy to operate, try spraying some grease into the jamb channel then open it to see if it resolves the issue. If the problem persists, it is most likely the sash balance. You'll need to remove the window sash to get access to this part of the hardware.

Ideally, window sashes must move open and shut without effort, but this can be difficult when the weights are worn or if the sash's meeting rail isn't properly glazed. This issue can be caused by a number of factors, including lack of maintenance or by an incorrect weight rating for the specific window sash.

If the hinges on the window begin to move, this could cause the sash to drag and eventually hit against the frame in the opposite corner (Photo 1). To resolve this problem, first ensure that the sash is firmly seated in the opening of the frame and then remove it from the window. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close, because of sagging hinges and an overall lack of energy efficiency. In many cases, a few simple fixes can help these windows function smoothly and save homeowners money on energy bills.

It is important to have the tools you need before you start. Start by marking the location of the hinge channel on the frame with pencil (Photo 1). This will help you to put the channel in the correct position after you've finished. Remove the sash, and remove all the hardware, including the parting beads, cords, and chains that keep the sash in place. Soften any putty that has been hardened with a heat gun set to medium and equipped with a shield for the nozzle. Remove the old sash and keep it in a labeled bag.

Sash Weights

Whether your window sash repairs are to replace a broken cord or to keep the windows functional, replacing worn out weights on sash can improve sash operation and help reduce energy consumption. Sash weights are heavy lead or iron cylinders that are enclosed in a concealed cavity and connected to the movable window repair near me sash using a rope. They are counterbalancers which allows the window to be closed and opened without the use of electrical or mechanical devices. If they fail, sashweights are often neglected or not used by homeowners.

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

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

After the sash has been removed then you can take out the sash stop and access the weight pocket. Usually, this is done through a hole near the bottom of each jamb. The hole is surrounded by an unfinished wooden panel that can be removed to reveal the interior workings.

After the sash has been stopped and the access panel is removed, you can take off the old weight and replace it. Make sure you weigh the sash before you begin, as the weights that were previously used may be different in size from what is needed. After the new weight is installed, you can thread an appropriate length of string through the pulling mechanism. Then, you can nail the string to the frame, but only leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

The majority of double-hung windows with a history have a cord or chain attached to the weights which helps keep the sashes in balance in the jamb. Over time these cords can break, making it impossible to raise the window. A new sash cord will give you the ability to move the sash upwards and downwards and keep it 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 attached by nails or screws and must be removed. It is possible to remove them using a hammer or chisel, however, it is best to lay out dust sheets before beginning any work.

After you have removed the access panel, you can begin to work on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves using the chisel or flat bar. They are usually wedged in or nailed, but they can be removed and it's worth your time. If the sash is still in place, break the mortise and the tenon joints by using pin punch and hammer or screwdriver, then remove the wood pegs on each component. It should now be possible to move the sash back and forth without difficulty, though it will probably need some oiling if it seems stiff.

Measure the length of the sash chain or sash cord needed to reach the sash slot at the bottom from the pulley at the top of the jamb. Cut the chain or cord and fix it as described in Step 6 above. You can use either nail, hammer or screws. However nails are less likely to cause damage.

It is recommended to keep the original weights in place unless you've purchased a kit that will replace the counterbalance that was previously installed. It's not too expensive to purchase these from salvage shops for architectural purposes and they will be easy to install once you've got the sash opened. Depending on the size of your window two or three sash weights may be needed to keep the sash in an open position.