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Window Sash Repairs

Regularly inspect the window sashes for signs of damage, mildew and mold. You can reduce the cost of repairs in the future by catching problems early, before they get out of hand.


The sash is the interior framing that can be moved vertically up or down in windows that open. repairmywindowsanddoors.co.uk will teach you how to perform simple repairs to sash.

Weather Stripping

Wood window sashes give a classic aesthetic to your home. When properly maintained, they will last for a long time. However, they may become damaged or degraded in time because of exposure to the elements and normal wear and wear and tear. Sash repair specialists can restore windows back to their original condition and maintain their beauty much longer than replacement windows.

The first step in repair sash window damage is to fix weather stripping, which can be found on both the sash and frame. It can cause drafts if it's damaged or is loose. Start by identifying the window brand and the manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Then, remove the sash and mark its width and height to find new weather stripping that matches.

Then, remove the sash and set it on a surface so you can access all four sides. If the sash is double-hung, you must remove the weights with their ropes that should fall into the pocket in the jamb lining. Once you've removed the sash and the weights, use a utility knife to cut off the weather stripping that was formerly in place at the corners, then remove it manually or using a putty blade.

After the sash has been cleared and clean, you can put in the parting stops. They are long pieces of wood that separate the two sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard. However, you could also use a piece of scrap wood.

After removing the stopper and cutting 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, and then let it dry for at least a few days. Once the putty has fully cure and dried, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes prone to wearing out from time and usage and the result could be a window or door that isn't able to open or close easily. It's good to know that replacing or fixing this hardware is usually simple and inexpensive. If you are having trouble opening a sash, spray some grease into the jamb channel. Then, you can slide the sash open to see if it resolves the issue. If the problem persists it's most likely that the sash balance is off. You will need to remove the window sash in order to get access to this part of the hardware.

Window sashes should open and close without much effort. However, this can be difficult if weights are worn out or the sash-to rail meeting rail is not properly glazed. This problem could be caused by many factors that include an absence of maintenance or an unmatched weight rating.

If the hinges on windows begin to slide, this could cause the sash to drag and eventually hit against the frame at the opposite corner (Photo 1). To correct the issue ensure that the sash is aligned in the frame opening, and then take it off. If the sash is secured to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Old windows, especially those in older houses, can be difficult to open and close due to hinges that are sagging and general inefficiency. Sometimes, a few simple fixes can help these windows function smoothly again and help homeowners save money on energy costs.

It is crucial to have the tools needed before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will assist you in getting the channel back in place correctly when you're finished. Take the sash off and then remove all hardware including the parting beads, cords, and chains that help to hold the sash. Soften any hardened putty with a heat gun set to medium and fitted with an shield to block the nozzle. Remove the old sash, and put it in a bag with a label.

Sash Weights

Sash weights can be replaced to improve the performance of your window sash and decrease the cost of energy. Sash weights are made of heavy iron or lead cylinders that are encased inside a concealed cavity, and attached by ropes to the moveable window sash. They function as counterbalances and allow you to open and shut 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 fail. Consequently, you may need to search for replacements.

It's not easy to retrieve the sash-weight that fell from the cavity, so you'll need to find one that fits properly. You will also need an additional piece of string, a length the sash cord, as well as some sash pulleys to tie the new sash weights the sash cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed with pin punches and hammers. Most of them have large diameters on one side and a smaller size on the other, which is why it is important to remove the smaller-diameter sides first. Sashes that were made later in the century used glue instead of pegs. They can be separated by cutting the glue line using an instrument, and then tapping the mortised section loose using a mallet.

After the sash is removed, you can take off the sash stops and access the pockets for weights. Usually, this is done through an opening in the bottom of each jamb. This hole is then covered by an access panel of wood that can be cut off to let you view the inside of the frame.

After you have the sash stopped and the access panel removed, you will be able to take off the old sash weight and replace it with the new. Make sure you weigh the sash prior to you do this, since the old weights could be different in size from what you require. After the new weight is in place then tie a string to 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

The majority of double-hung windows with a history include a chain or cord connected to the weights that supports and keeps the sashes level in the jamb. As time passes, these cords can become damaged and make it difficult to raise the windows. A new sash cord can restore the ability to move the sash upwards and downwards and hold it in place when opened.

The first step in replacing sash cords is to find and remove the access panels within the jambs. These are usually installed by screws or nails and must be removed or repositioned. It is possible to remove them with the hammer or chisel but it is always best to lay out dust sheets prior to beginning any work.

After you have removed the access panel, you are able to begin working on the sash. Utilize a flat bar, or chisel to pull the tiny parting beads from their grooves. It's important to be patient, as these are often placed in a wedge or nail. If the sash is still in place, pry the mortise-and-tenon joints out using a hammer or screwdriver, then remove each wood peg. The sash should move freely, however it might require some lubrication to make it feel less stiff.

With the sash open Take a measurement of the sash chain to reach from the pulley in the top of the jamb to the sash slot on the bottom. Cut the chain or cord and secure it in the step 6 above. You can employ a hammer, nail or screws, but nails are less likely to cause damage.

It's best to leave the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase them from architectural salvage stores and they'll be simple to install once you've got the sash open. Based on the size and shape of your window, you may need to use one or two sashweights in order to keep it open.

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Pub: 14 Jan 2024 17:29 UTC
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