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Window Sash Repairs
Sashes for windows must be inspected regularly for signs of mold, mildew and other damage. By catching these problems early you will save money on repairs in the future.
The sash is the interior framing that moves vertically either up or down in windows that are open. This article will teach you how to do a variety of simple repairs to the sash.
Weather Stripping
Wood window sashes give the classic look to your home. When properly maintained, can last for a long time. However, they can become damaged or degraded over time due to exposure to the elements and wear and tear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking great for much longer than newer replacement windows.
The first step to sash window repairs is addressing weather stripping. It's found on both the sash and frame. It can cause drafts if damaged or is loose. Start by identifying the brand of window and the glass manufacturer's date (etched on the glass's corners or the aluminum spacers between panes). Then, take the sash off and mark its height and width, so you can find replacement weather stripping to match.
Then, remove the sash from the holder and place it on an even surface that allows you to 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 slipped into the pocket that was intended to be in the jamb liner. Once you've removed the sash using a utility knife, you can use it to cut away the weather stripping that was formerly in place at the corners, then remove it manually or using a putty knife.
After the sash has been cleared, you can replace the parting stops. These are long pieces wood that separate the two sashes. Pam prefers to use the standard 1/2-inch by 3/4 inch window trimming from the lumberyard. But, you can also substitute with a scrap piece of wood.
After removing the stopper for the parting and trimming it to length and then apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound using your putty tool and let it dry at least a day. After the putty has completely cure, you can apply a topcoat of acrylic. This will protect the putty, and give your sash a modern appearance.
Sash Hardware
The hardware that holds window sashes is susceptible to wear and tear due to age and use, and the result can be a window or door that won't open or close easily. The good news is that fixing and replacing this hardware is typically quite simple and inexpensive. If you're having difficulty opening a sash spray some grease into the jamb channel. Then, slide the sash open to see if this resolves the issue. If not, the problem is likely with the sash balance and you'll need to remove the sash to gain access to the hardware.
Window sashes should open and close with little effort. However, this could be difficult if the weights are worn out or the sash-to-rail connecting rail isn't covered with. This 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 slide, this could cause the sash to slide and eventually strike the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix this issue, first make sure the sash is squarely inserted into the frame's opening and then take it out of the window. If the sash has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).
Old windows, particularly those in older homes, can be difficult to open and close because of sagging hinges and a general lack of energy efficiency. In most instances, a few minor repairs can turn these windows into smooth operation again and save the homeowner money on energy costs.
To complete these repairs to sash it is essential to have all of the tools needed before you begin. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will help you to place the channel in the proper location after you've completed. Remove the sash and remove the hardware including the beads that separate (Photo 2) and the chains or cords which hold it in place. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash and place it in a bag that is labeled.
Sash Weights
Sash weights can be changed to improve the performance of your window sash and reduce energy costs. Visit Home Page are heavy lead or iron cylinders, which are enclosed inside a hidden compartment and linked to the moveable window sash using a rope. They function as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners and then turned into scrap when they break; therefore you may have to locate replacements.
It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits properly. You will also need an additional piece of string, a length sash cord and some sash pulleys that will tie the new sash weights the sash cord.
Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the components together can be removed with pin punches and hammers. The majority of these pegs are big 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. upvc window repairs can be separated by cutting the glue line with the help of a knife, and then tapping the mortised area loose using a mallet.
After the sash is removed, you can remove the stopper on the sash and get access to the weight pocket. Usually this is accomplished by drilling a hole near the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inside workings.
After the sash has been stopped and the access panel is removed, you can remove the old weight and replace it. Make sure you weigh the sash prior to you begin, as the old weights could be different sizes than what is needed. Once the new weight is in place, tie a string to it and thread it through the sash pulley. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.
Sash Cords
Most double-hung windows of the past have a cord or chain attached to the weights that keeps the sashes in balance within the jamb. Over time, these chains may become damaged and make it impossible to raise windows. A new sash cable can restore the ability to move and lower the sash and keep it in place when it is opened.
The first step in replacing sash cords is to locate and remove the access panels in the jambs. These are usually nailed or screwed in and must be removed or relocated. You may be able to use a hammer and chisel for removing them however, it is always best to lay down dust sheets prior to beginning any work.
After the access panel has been removed, you can start working on the sash. Utilize a flat bar, or chisel to pry the small parting beads from their grooves. It's important to take your time as they're often placed in a wedge or nail. If the sash is still in place, break the mortise and tenon joints with the help of a hammer and pin or screwdriver, and then take out the wood pegs on each piece. The sash should be able move around freely now, however it might require some lubrication to feel less stiff.
With the sash in an open position Take a measurement of the sash 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 fix it using the step 6 above. You can either use a hammer and screws or nails, but nails are less likely to cause damage.
It's best to leave the original weights if you've purchased a kit that will replace the counterbalance that was previously installed. It's not too expensive to purchase these from salvage shops for architectural purposes and they will be easy to install once you've got the sash opened. Depending on the dimensions and shape of your window you may need to use one or two sashweights to keep the sash open.