Window Sash Repairs
Make sure to check the sashes of your windows regularly for signs of damage, mildew and mold. You can save future repair costs by catching the issues early, before they become out of control.
The sash is the interior frame that is vertically moved upwards or downwards in windows that are open. This article will show you how to do simple repairs to sash.
Weather Stripping
Wood window sashes give a classic aesthetic to your home. When properly maintained, can last for a long time. However, they can be damaged or degrade as time passes due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original state and maintain their beauty longer than replacement windows.
The first step to repair sash windows is to address 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, start by finding your window 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 size and width so that you can get replacement weather stripping that matches.
Then, you can remove the sash from the holder and place it on an even surface that allows you to reach all four sides. If the sash is double-hung, you'll also need to remove the weights and their ropes which should have slipped into the pocket of the jamb liner. After you've removed the sash using a utility knife, you can use it to remove the old weather stripping at the corners, then remove it manually or using a putty blade.
Once the sash has been cleared, you can install the parting stops. These are long pieces that divide the sashes. Pam prefers to use the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. But, you can substitute a scrap piece of wood.
After removing the parting stops and trimming them to the desired length then apply a thin layer of glazing compound on 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 and dried, apply a second coat of acrylic latex paint. This coating will protect the putty and give your sash a new look.
Sash Hardware
The hardware that holds window sashes is susceptible to wear and tear from age and use and the result could be a door or window that can't be opened or closed easily. It's important to know that replacing or repair of this hardware is typically easy and affordable. If you're having difficulty opening the sash, spray some grease into the jamb channel. Then, slide the sash open to see if it resolves the problem. If the issue persists, it is most likely the sash balance. It is necessary to take off the window sash in order to get access to this part of the hardware.
Window sashes need to be able to open and close with minimal effort. However, this may be difficult if weights are worn out or the sash meeting rail is not properly glazed. This issue could be caused by many factors that include an absence of maintenance or an unmatched weight rating.
If the hinge arms of a window are beginning to sag, this can cause the sash to drag and eventually hit the frame in the corner that's opposite the hinge arm (Photo 1). To fix the problem ensure that the sash is aligned in the frame's opening and take it off. If the sash is secured to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).
Because of sagging window repairs and a general lack of energy efficiency, old windows particularly those in older houses, could be difficult to open or close. In most cases, a few simple repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy bills.
In order to make these repairs to the sash, it's important to have all of the tools needed before you begin. Start by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to put the channel in the proper position after you've finished. Then, remove the sash and take off the hardware, including the parting beads (Photo 2) and the cords or chains that secure it. Soften any hardened putty using a heat gun set to medium and fitted with an nozzle shield. Take off the old sash and place it in a bag with a label.
Sash Weights
Sash weights are able to be replaced to improve the operation of your window sash and decrease the energy cost. Sash weights are hefty lead or iron cylinders that are enclosed in a concealed cavity and attached to the movable sash by a rope. They function as counterbalances, allowing you to open and close the window without requiring mechanical or electrical devices. When they fail, sashweights tend to be neglected or not used by homeowners.
It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that is suitable for the. You will also need a new piece of string, a length sash cord and some sash pulleys to connect the new sash weights the sash cord.
Mortise and Tenon joints can be used to join old wood windows. The wood pegs holding the components together can be removed with pin punches and hammers. The majority of these pegs are large on one side and smaller on the other. It is crucial to first remove the smaller diameter sides. Sashes 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 part loose using mallets.
Once the sash has been released, you can remove sash stops and gain access to the pockets for weights. Usually it is done by drilling an opening at the bottom of each jamb. The hole is then covered with an access panel made of wood which can be removed to allow you to view the inside of the frame.
Once you have the sash stopped and the access panel removed, you will be able to remove the weight of the old sash and replace it with new. First, weigh the sash, as the weights you've got may not be the right size. After the new weight is installed you can tie a string around it and then thread it through the pulley for the sash. Then attach the string to the frame, but only leave a few inches of string sticking out from the head for future adjustments.
Sash Cords
In the majority of old double-hung windows the chain or cord is attached to the weights. This supports and keeps the sashes within the jamb level. Over time, these cords can become damaged and make it impossible to raise the windows. A new sash cable will restore the ability to move and lower the sash and ensure it stays in place when it is opened.
The first step to replace sash cords is to find and remove the access panels in the jambs. These are usually fixed or screwed in and will require to be removed or relocated. You could use a hammer and chisel to remove them, but it's always better to lay down dust sheets prior to beginning any work.
Once the access panel is removed, you can begin working on the sash. Utilize a flat bar, or chisel to pry the narrow partsing beads out of their grooves. These are often wedged in or nailed but can be removed and it's worth your time here. If the sash is in place, remove the mortise and tenon joints using the help of a hammer and pin or screwdriver, then remove the wood pegs attached to the components. You should be able to move the sash back and forth freely, although it may require oil if it feels 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/chain and then fix it as described in the previous step. You can use nail, hammer or screws. However nails are less likely to cause damage.
It is best to keep the weights that came with the original counterbalance unless you have purchased a kit to replace the old counterbalance. They are not expensive and are easy to install if purchased them from architectural salvage stores. Depending on the size of your window, two or three sash weights could be needed to keep it in an open position.