10 Window Sash Repairs That Are Unexpected
Window Sash Repairs
Check the windows sashes regularly for damage, mildew, and mold. You can avoid future repair costs by catching these issues early, before they get out of hand.
The sash is an interior frame that is vertically moved up or down in windows that open. This article will show you how to make several simple repairs to sash.
Weather Stripping
Wood window repairs sashes add the classic look to your home and, when properly maintained, they will last for a long time. However, they may become damaged or degrade over time because of exposure to the elements and normal wear and tear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking fantastic for much longer than newer replacement windows.
The first step for sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. It can cause drafts if it's worn out or loose. To fix it, begin by finding your window brand and the date on which the glass was manufactured (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 the appropriate weather stripping replacement to match.
Next, remove the sash and set it on a work surface so that you can reach all four sides. If your sash has a double-hung, you'll also need to remove the weights and the ropes that go with them that should have fallen into the pocket that was intended to be in the jamb liner. Once you've removed the sash, use a utility knife to remove the weather stripping that was formerly in place at the corners, and then remove it by hand or using a putty blade.
After the sash has been cleaned, you can replace the parting stops. These are long pieces of wood that are used to separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimming from the lumberyard. However, you could also substitute with a scrap piece of wood.
After removing the stopper for the parting and cutting it to length and then apply a thin layer of glazing compound on the bottom of the sash. Smooth it out using your putty knife, and then let it dry for at least a day. After the putty has completely dried and dried, you can apply a topcoat of acrylic. This coating will protect the putty and give your sash a new look.
Sash Hardware
The hardware that supports windows sashes can become worn out with time and use. This can result in a door or a window that is difficult to open or close. The good thing is that fixing and replacing this hardware is typically quite simple and inexpensive. If a sash isn't easy to operate you can try spraying some lubrication into the jamb channel and then open it to see if this solves the issue. If not, the problem is most likely due to the balance of the sash and you'll have to take off the sash to access this hardware.
Window sashes need to open and close without much effort. However, this could be difficult if weights are worn out or the sash meeting rail is not properly coated. This problem can be due to many factors, including a lack of maintenance and an unmatched weight rating.
If the hinges on a window begin to sag this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To resolve this problem, first ensure that the sash is firmly seated in the frame's opening and then remove it from the window. If the sash has been screwed to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).
Because of sagging hinges and a general lack of energy efficiency, older windows, especially those in older homes, can be difficult to open or close. In many instances, a few minor repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy bills.
It is crucial to have the tools needed before you start. Mark the location of the hinge channel on the frame (Photo 1) with a pencil. This will help you get the channel back on position correctly after you've completed. Take the sash off, and remove all the hardware including the parting beads, cords, and chains that help to hold the sash. Soften any putty that has been hardened with the help of a heat gun set at medium and fitted with a nozzle shield. Remove the old sash and place it in a bag that is labeled.
Sash Weights
Sash weights can be replaced to enhance the efficiency of your window sash, and also reduce the cost of energy. Sash weights are composed of iron or lead cylinders that are encased in a concealed cavity and attached by ropes to the moveable window sash. These weights act as counterbalances, allowing you to open and close the window without having to use mechanical or electrical devices. If they fail, sashweights are often neglected or not used by homeowners.
A sash weight that has fallen out of the cavity is difficult to recover and you'll need to find a new one that fits correctly. You will also require an additional piece of string, a length sash cord and some sash pulleys to connect the new sash weights the sash cord.
Older wood windows are joined using mortise and tenon joints. Pin punch and hammer can be used to remove the wood pegs holding the parts together. Most of them have an enormous diameter on one side and a smaller diameter on the other, which is why it is crucial to take out the smaller-diameter sides first. Sashes made later in the century used glue instead of pegs. They can be separated by cutting through the glue line with an instrument, and then tapping the mortised part loose with mallets.
Once the sash is freed, window repairs you can remove the sash stop and access the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. The hole is then covered with an access panel of wood which can be removed so that you can view the inside of the frame.
After the sash has been stopped and the access panel removed, you'll be able to remove the weight from the sash and replace it with the new. Be sure to weigh the sash first to ensure that the weights you've got may not be the right size. Once the new weight is installed, run an appropriate length of string through the pulling mechanism. Then attach the string to the boxed frame, leaving a few inches of string sticking out from the head for future adjustment.
Sash Cords
In the majority of old double-hung windows, a chain or cord is affixed to the weights. This helps keep the sashes of the jamb in a balanced manner. Over time, these chains can become damaged and render it impossible to raise windows. A new sash cable can restore the ability to raise and lower the sash and keep it in position when it is opened.
To replace sash cords, the first step is to remove the access panels from the jambs. These are usually nailed or screwed in and will require to be removed or relocated. You might be able to use a hammer or chisel for removing them however, it is always best to lay down dust sheets prior to commencing any work.
After removing the access panel, you are able to begin to work on the sash. Utilize a flat bar or chisel to pry the narrow partsing beads out of their grooves. It is important to take your time as they're often stuck or nailed to the floor. If the sash remains in place, pull 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, though it might require lubrication if it feels stiff.
With the sash open Take a measurement of the sash chain to reach from the pulley in the top of the jamb to the sash slot on the bottom. Cut the chain or cord and then attach it as described in the previous step. You can use a hammer, nails or screws. However, nails are less likely than screws to cause damage.
If you haven't purchased an item that replaces the old counterbalance system it's best to keep the original weights for balancing in place. They are not expensive and are easy to install if purchased them at architectural salvage stores. Depending on the size and shape of your window you might need to install one or two sashweights to keep it open.