What Experts Say You Should Know

Window Sash Repairs

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

The sash is an interior framing that can be moved vertically upwards or downwards in windows that open. This article will show you how to carry out a few simple repairs to the sash.

Weather Stripping

Wood window sashes give the classic look to your home. When properly maintained, they will last for a long time. However, they may become damaged or deteriorate over time because of exposure to the elements and wear and wear and tear. Sash repair specialists can restore windows to their original state and maintain their beauty much longer than replacement windows.

The first step for repair sash window damage is to fix weather stripping. It's found on both the sash and frame. If it's loose or worn out, it can lead to drafts and other problems. Begin by identifying the window's brand and the date of manufacture for the glass (etched on the glass's corner or on the aluminum spacers between panes). Remove the sash and mark its size and width so that you can purchase replacement weather stripping that matches.

Next, remove the sash and place it on a surface to allow access to all four sides. If the sash is double-hung, you'll have to take off the weights and their ropes that should have fallen into the pocket that was intended to be in the jamb liner. After you've removed the sash using a utility knife, you can use it to remove the weather stripping from the corners. Then, remove it manually or using a putty knife.

After the sash has been cleared, you can replace the parting stops. They are long pieces of wood that divide the two sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can also substitute for a scrap piece of lumber.

After removing the stopper and trimming it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth the compound with your putty knife and let it dry for a minimum of a day. After the putty has completely dried it is possible to apply an acrylic latex topcoat. This will help protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear from time and usage and the result could be a window or door that won't open or close easily. The good news is that fixing and replacing this hardware is generally very simple and cost-effective. If a sash isn't easy to operate you can try spraying some oil into the jamb channel then open it to see if it fixes the problem. If the problem persists it's likely that the sash balance is off. You'll need remove the window sash to get access to this part of the hardware.

Ideally, window sashes must move open and shut with very little effort, but this can be an issue when the weights wear out or if the sash that joins rail isn't properly coated. This can be due to various reasons that include an absence of maintenance or a mismatched weight rating.

If the hinges on windows begin to slide, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To correct the issue ensure that the sash is in the proper position within the frame opening and then remove it. If the sash has been screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Old windows, particularly those in older houses, can be difficult to open and close because of sagging hinges and a general inefficiency. 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 bills.

It is important to have the tools needed before you start. Begin by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to place the channel in the proper place when you are finished. Remove the sash, and then remove the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. Heat gun with nozzle shield and a medium setting can soften any putty that has been hardened. Remove the old sash, and put it in a labeled bag.

Sash Weights

Sash weights can be changed to improve the operation of your window repairs near me sash and reduce energy costs. Sash weights consist of iron or lead cylinders that are encased in a concealed cavity and attached by ropes to the moveable window sash. They are counterbalancers, allowing the window to be shut and opened without the need for mechanical or electrical devices. When they fail, sashweights tend to be neglected or not used by homeowners.

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

Older wood windows are joined by mortise and tenon joints. Pin punch and hammer can be used to remove the wood pegs holding the components together. The majority of them are large on one side, but smaller on the other. It is essential to first remove the smaller diameter sides. Sashes that were made later in the century used glue instead of pegs. They can be separated by cutting the glue line using a knife, then tapping the mortised part loose with a mallet.

After the sash is released, you can remove the sash stops and access the weight pockets. This is usually done through tiny holes in the bottom of each jamb. The hole is surrounded by a wooden panel that 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 old sash weight and replace it with new. Make sure you weigh the sash prior to you begin, as the weights that were previously used may be different sizes than the one you need. After the new weight is installed, run the string through the sash pulling mechanism. Then, you can nail the string to the boxed frame, but leave a few inches of string hanging from the head for future adjustment.

Sash Cords

Most double-hung windows of the past have a cord or chain connected to the weights that helps keep the sashes balanced in the jamb. Over time, these chains may become damaged and render it impossible to raise windows. A new sash cable will restore the ability to move and lower the sash 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 fixed or screwed in and will need to be removed or moved. You could use a hammer or chisel to remove them however, it is always best to lay down dust sheets before commencing any work.

After removing the access panel, you can begin to work on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. They are usually wedged in or nailed in, but they can be removed, so it's worth taking your time here. 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 that are on the components. You should now be able to move the sash back and forth freely, though it may require lubrication if it feels stiff.

With the sash open, measure enough sash cord/chain to reach from the pulley on the top of the jamb to the sash slot in the bottom. Cut the chain or cord and secure it as in Step 6 above. You can use either 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. They are not expensive and glazing are easy to install if you buy them from salvage shops for architectural use. Depending on the size of your window, one or two sash weights might be required to keep it open.