Why Window Sash Repairs Could Be Your Next Big Obsession
Window Sash Repairs
Window sashes must be inspected regularly for signs of mold, mildew and damage. You can reduce future repair costs by catching these issues in the early stages before they get out of hand.
The sash is an internal frame that can move vertically up and down in windows that open. This article will teach you how to make several simple repairs to sash.
Weather Stripping
Wood window sashes provide the classic look to your home and, when properly maintained, can last for many years. However, they may become damaged or degraded in time due to exposure to elements and normal wear and tear. However, 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 to repair sash window damage is to fix weather stripping. It's found on both the sash and frame. It can cause drafts if it's damaged or is loose. Begin by identifying the brand of window and the manufacturer's date (etched on the glass's corner, or the aluminum spacers 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, take it off and set it on a surface to allow access to all four sides. If your sash has a double-hung, you'll have to remove the weights and their ropes, which should have fallen into the pocket that was intended to be in the jamb liner. Once you've removed the sash and the weights, use a utility knife to cut away the weather stripping from the corners, then remove it manually 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 that split the sashes. Pam prefers to use the standard 1/2-inch by 3/4 inch window trim from the lumberyard. However, you could also substitute for a scrap piece of lumber.
After removing the stopper for the parting and cutting it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty knife, and allow it to dry for at least a day. After it has fully dried, apply a top coat of acrylic latex paint. This will protect the putty, and give your sash a fresh appearance.
Sash Hardware
The hardware that supports windows sashes can become worn out over time and use. This could 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 relatively easy and affordable. If a sash is difficult to operate, try spraying some oil into the jamb channel and then open it to see if it resolves the issue. If not, the issue is likely to be with the sash balance and you'll need to remove the sash to access this hardware.
Ideally, window sashes should swing open and closed with minimal effort but this can be an issue if the weights become worn or if the sash meeting rail isn't properly coated. This issue can be caused by a number of reasons, such as insufficient maintenance or an incorrect weight rating for the specific sash.
If the hinges on windows begin to slide, this can cause the sash drag and eventually hit against the frame at the opposite corner (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the frame's opening and then take it out of the window. If the sash is screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).
Old windows, particularly those in older homes, can be difficult to open and close due to sagging hinges and general lack of energy efficiency. In many cases just a few easy fixes can help these windows function smoothly again and help homeowners save money on energy bills.
It is crucial to have the tools needed before you begin. Mark the location of the hinge channel on the frame (Photo 1) using pencil. This will assist you in getting the channel back on place correctly when you're finished. Take the sash off and then remove all hardware including the parting beads cords, chains, and cords that keep the sash in place. Soften any hardened putty with an electric heat gun set to medium and fitted with an nozzle shield. Remove the old sash, and store it in an bag that is labeled.
Sash Weights
No matter if your window sash repair needs are to replace a damaged cord or to keep your windows functioning, replacing worn out weights on sash can improve sash operation and cut down on the energy cost. Sash weights are hefty lead or iron cylinders enclosed in a concealed cavity and attached to the movable sash by a rope. They are counterbalancers which allows the window to be shut and opened without the use of electrical or mechanical devices. The sash-weights are typically neglected or ignored by homeowners and then turned into scrap when they break; therefore, you may need to search for replacements.
A sash weight that has fallen out of the cavity is difficult to recover and you'll need to find a replacement that fits properly. You will also require a fresh piece of string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.
Older windows made of wood are joined using mortise and tenon joints. Hammers and pins can be used to remove the wood pegs holding the parts together. The majority of them are large on one side, but smaller on the other. It is crucial to remove first the smaller diameter sides. Sashes that were made later in the century used glue instead of pegs and can be separated by cutting through the glue line with a knife, then tapping the mortised area loose with mallets.
After the sash is removed then you can take out the stopper on the sash and get access to the weight pocket. This is usually done through a small hole in the bottom of each jamb. This hole is covered with a wooden panel that can be removed to reveal the inside workings.
Once the sash is stopped and the access panel is removed, you can take off the old weight and replace it. Be sure to weigh the sash before you do this, since the weights that were previously used may be different sizes than what is needed. Once the new weight has been installed, run the string through the sash pulling mechanism. Then, you can nail the string to the boxed frame, leaving a few inches of string protruding from the head to allow for future adjustments.
Sash Cords
In the majority of double-hung windows, a chain or cord is affixed to the weights. This keeps the sashes of the jamb balanced. As time passes, these cords may break, making it impossible to raise the window. A new sash cord can restore the ability to move the sash upwards and downwards and keep it in position when it is opened.
The first step to replace cords for sash is to locate and take out the access panels located in the jambs. They are typically screwed or nailed in and require removal. You might be able to employ a hammer and chisel to remove them, but it's always better to lay down dust sheets before commencing 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 parting beads from their grooves. It is important to be patient as they're often wedged or nailed in place. If the sash remains in place, break the mortise and tenon joints free using a hammer or screwdriver and then take out each wood peg. The sash should be able move freely now, but it may require some lubrication to make it feel less stiff.
Take a measurement of the length of sash cord/chain required to reach the sash slot at the bottom, and the pulley at the top of the jamb. Cut the cord or chain and secure it in Step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.
It is best to keep the original weights if you've purchased a kit to replace the old counterbalance. window repairs near me to purchase these from salvage shops for architectural purposes and they'll 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 the sash in an open position.