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Window Sash Repairs
Make sure to check the sashes of your windows regularly for any damage, mildew and mold. You can reduce future repair costs by catching the issues in the early stages before they become out of control.
The sash is an inside frame that is able to move vertically up and down in windows that are open. This article will show you how to make several easy repairs to your sash.
Weather Stripping
Wooden window sashes are a great way to add a classic look to your home. They are also sturdy and will last for many years when they are maintained properly. However, they can become damaged or degraded with time, due to exposure and normal wear and tear. Sash repair experts can restore windows to their original state and maintain their appearance longer than replacement windows.
Weather stripping is the first thing to address when repairing windows with sash. It is located on both the frame and the sash. It could cause drafts if worn or loose. Start by identifying the brand of window and the manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Remove the sash, and mark its width and height so you can purchase replacement weather stripping that matches.
Next, remove the sash and set it on a surface so you can access all four sides. If the sash is double-hung, you'll have to remove the weights as well as their ropes, which should have fallen into the intended pocket in the jamb liner. Once you've taken the sash off and the weights, use a utility knife to cut off the weather stripping from the corners, and then remove it by hand or using a putty blade.
After the sash is cleared, you can install the stoppers that separate the two sashes. These are long pieces that split the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, but you could also use scrap wood.
After removing the stopper and trimming it to length after which, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife, then let it dry for a minimum of a day. Once it's fully cured, apply a top coat of acrylic latex paint. This will protect the putty and give your sash a modern appearance.
Sash Hardware
The hardware that supports window sashes can wear out over time and use. This could result in the window or door that is difficult to open or close. It's a good idea to know that replacing or fixing this hardware is usually easy and affordable. If double glazing repairs Bethnal Green having trouble opening a sash, spray some lubricant into the jamb channel. Then slide the sash open to see if that fixes the issue. If not, the problem is most likely due to the sash balance, and you'll have to take off the sash in order to access this hardware.
Ideally, window sashes must swing open and closed with minimal effort but this is difficult when the weights wear out or if the sash's meeting rail isn't properly coated. This problem can be due to a variety of factors, including an absence of maintenance or an unmatched weight rating.
If the hinge arms of a window begin to sag, this can cause the sash to slide and eventually hit the frame in the corner that's in the opposite direction of the hinge arm (Photo 1). To remedy the issue, make sure that the sash is aligned in the frame opening, and then take it off. If the sash has been fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).
Due to sagging hinges, and a general lack in energy efficiency, windows that are old particularly those in older houses, could be difficult to open or close. Sometimes it is a matter of making a few minor adjustments that can help these windows function smoothly again and help homeowners save money on energy bills.
To make these repairs to the sash it is important to have all the necessary tools lined up before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will allow you to position the channel in the correct location after you've completed. Take the sash off, and remove all the hardware, including the beads for parting cords, chains, and cords that keep the sash in place. Soften any putty that has been hardened with an electric heat gun set to medium and equipped with a shield to block the nozzle. Take off the old sash and place it in a 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 and functional, replacing worn-out sash weights will improve sash operation and help reduce the energy cost. Sash weights are heavy, lead or iron cylinders enclosed in a concealed cavity and connected to the movable window sash using a rope. They provide counterbalance that allows the window to be opened and closed without using mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners and turned into scrap when they fail. Consequently you might need to search for replacements.
A weight in a sash that has fallen out of the cavity is difficult to recover It is therefore important to find a new one 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.
Mortise and Tenon joints can be used to join older wood windows. The wood pegs holding the parts together can be removed by pin punches and hammers. The majority of these pegs are large on one side and smaller on the other. It is important to first remove the smaller diameter sides. Later sashes made use of glue instead of pins. They can be separated by using a knife and mallet.
Once the sash is freed, you can remove the stopper on the sash and get access to the weight pocket. Usually, this is done through an opening in the bottom of each jamb. This hole is then covered by a wooden access panel that can be ripped off to let you observe the inner workings of the frame.
When the sash has been shut off and the access panel is removed, you can remove the weight you used and replace it. First, weigh the sash to ensure that the weights you have might not be the right size. After the new weight is installed, thread a string through the sash pulling mechanism. Then, you can nail the string to the frame, but only leave a few inches of string hanging from the head for future adjustments.
Sash Cords
Most double-hung windows of the past include a chain or cord connected to the weights that keeps the sashes level within the jamb. Over time, these chains may become damaged and render it impossible to raise the windows. A new sash cable will restore the ability to move and lower the sash, and keep it in place when opened.
The first step in replacing cords for sash is to locate and remove the access panels within the jambs. They are usually fixed or screwed in and will require to be removed or moved. You could use a hammer or chisel to prise them off, but it's always better to lay down dust sheets prior to beginning any work.
Once the access panel is removed, you can start working on the sash. Make the small parting beads (also called "tie rails") out of their grooves using the chisel or flat bar. It's important to be patient as they're often stuck or nailed to the floor. If the sash remains in place, pry out the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, then unhook the wood pegs that are on each piece. The sash should move freely, however it might require some lubrication to feel less stiff.
With the sash in an open position, measure enough sash cord/chain to reach from the pulley on the top of the jamb to the sash slot on the bottom. Cut the chain or cord and attach it as described in the step 6 above. You can use a hammer, nails, or screws. However nails are less likely to cause damage.
It is recommended to keep the original weights if you've purchased a kit to replace the old counterbalance. It's not too expensive to purchase them from architectural salvage stores and they will be easy to install once you've got the sash unlocked. Based on the size of your window one or two sash weights could be needed to keep the sash in an open position.