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Window Sash Repairs
Make sure to check the sashes of your windows regularly for any damage, mildew and mold. 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 are open. This article will show you how to perform simple sash repairs.
Weather Stripping
Wooden window sashes are a great way to add a classic look to your home. They are also durable and can last many years if they are properly maintained. However, they may become damaged or deteriorate in time because of exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original condition and keep them looking great much longer than replacement windows.
The first step for repair sash windows is to address weather stripping, which can be found on both the sash and frame. If relevant web site damaged or worn out, it could cause drafts and other problems. To fix it, start 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). Remove the sash and mark its width and height so that you can find a replacement weather stripping that matches.
Then, take it off and set it on a work surface so you can access all four sides. If the sash is double-hung, you'll need to take off the weights and their ropes, which should have fallen into the pocket of the jamb liner. Once you've removed the sash, use a utility knife to cut away the weather stripping that was formerly in place at the corners, and then remove it manually or with a putty knife.
After the sash is cleared, you can replace the parting stops. These are long pieces that split the sashes. Pam prefers to replace them with standard 1/2-inch by 3/4-inch window trim from the lumberyard, however you can also use a piece of scrap wood.
After removing the parting stops and cutting them to the desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a few days. After the putty has completely cure it is possible to apply an acrylic latex topcoat. This will protect the putty and give your sash a fresh appearance.
Sash Hardware
The hardware that supports window sashes may wear out over time and use. This can result in the window or door that is difficult to open or close. The good thing is that fixing and replacing this hardware is typically quite simple and inexpensive. If you're having difficulty opening a sash, spray some lubricant into the jamb channel. Then, slide the sash up and open to see if that fixes the issue. If not, the problem is likely to be with the sash balance, and you'll need to take out the sash in order to access this hardware.
The ideal situation is for window sashes to be able to open and close with very little effort, however, this can be an issue when the weights wear out or if the sash meeting rail isn't properly glazed. This problem can be due to various reasons, including the lack of maintenance or an unmatched weight rating.
If the hinges on a window begin to sag this can cause the sash drag and then hit the frame in the opposite corner (Photo 1). To correct the issue ensure that the sash is centered in the frame opening and then take it off. If the sash is secured to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).
Due to hinges that are sagging, and a general lack of energy efficiency, older windows, especially those in older homes, may be difficult to open or close. Sometimes, a few simple fixes can help these windows function smoothly once more and save homeowners money on energy costs.
It is important to have the tools needed before you start. Mark the hinge channel location on the frame (Photo 1) with a pencil. This will allow you to get the channel back into the correct position after you've finished. Take the sash off and take out all the hardware including the parting beads, cords, and chains that help to hold the sash. Heat gun with nozzle shield and a medium setting will soften any putty that has been hardened. Remove the old sash, and put it in a labelled bag.
Sash Weights
Whether your window sash repairs are to replace a damaged cord or simply to ensure that the windows are functional, replacing worn out weights on sash can improve sash operation and reduce energy consumption. Sash weights are hefty lead or iron cylinders enclosed in a concealed cavity and connected to the movable sash by rope. They are counterbalancers that allows the window to be opened and closed without using mechanical or electrical devices. If they fail, sashweights tend to be neglected or not used by homeowners.
It is difficult to recover a sash-weight that 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 the sash cord, as well as some sash pulleys to tie the new sash weights to the sash cord.
Mortise and Tenon joints are used to join older wood windows. The wood pegs holding the parts together can be removed with the use of a pin punch and hammer. The majority of these pegs have an enormous diameter on one side and a smaller size on the other, which is why it is crucial to take out the small-diameter sides first. Later sashes made use of glue instead of pins. They can be separated by using a knife or a mallet.
After the sash is released, you can remove stops on the sash and get access to the pockets for weights. This is usually done via a small hole in the bottom of each jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the inner workings.
When the sash has been shut off and the access panel is removed, you are able to remove the old weight and replace it. Be sure to weigh the sash first because the weights you've got may not be the correct size. Once the new weight is installed, run a string through the sash pulling mechanism. Then, nail the string to your boxed frame. Leave a few inches protruding at the top of the string for future adjustments.
Sash Cords
In most old double-hung window the chain or cord is attached to the weights. This supports and keeps the sashes of the jamb level. As time passes, these cords may break, making it impossible to raise the window. A new sash cable can restore the ability to move and lower the sash and ensure it stays in place when opened.
The first step to replace sash cords is to find and remove the access panels in the jambs. They are typically screwed or nailed into and require removal. You might be able to use a hammer and chisel for removing them, but it's always better to lay down dust sheets before commencing any work.
After removing the access panel, you can begin to work on the sash. Utilize a flat bar or chisel, to pry the small parting beads from their grooves. It is important to be patient as they're often placed in a wedge or nail. If the sash is still in place, pry out the mortise and tenon joints with the help of a hammer and pin or screwdriver, and then take out the wood pegs attached to each component. The sash should be able to move around freely now, however it may require some lubrication in order to feel less stiff.
Measure the length of sash cord/chain required to reach the sash slot on the bottom from the pulley located at the top of the jamb. Cut the chain or cord, and then fix it using the previous step. You can do this with a hammer, nails or screws. However, 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. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you have the sash unlocked. Based on the size and shape of your window you might need to install one or two sashweights in order to keep it open.