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10 Window Sash Repairs That Are Unexpected
Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and damage. You can save the cost of repairs in the future by catching these issues early before they get out of hand.

The sash is an inside frame that moves vertically up and down in windows that open. This article will teach you how to do a variety of simple sash repair.

Weather Stripping

Wooden window sashes can add an elegant look to your home. They are also sturdy and will last for 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 maintain their beauty much longer than replacement windows.

The first step to repair sash windows is to address weather stripping, which is found on both the sash as well as the frame. It could cause drafts if worn out or loose. To fix it, begin by determining the brand of your window and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off and mark its size and width so that you can find a new weather stripping that is compatible with the original.

Then, https://www.repairmywindowsanddoors.co.uk/bedford-windowrepair/ can remove the sash from its holder, and place it on flat surfaces to allow you to access all four sides. If your sash has been double-hung, take out the ropes and weights that should have fallen into the pocket inside the jamb lining. After removing the sash with the utility knife, remove the weather stripping that was left by hand or with a putty blade.

After the sash is cleaned, you can replace the parting stops. These are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. However, you could also use for a scrap piece of lumber.

After removing the stopper and trimming it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth the compound with your putty knife and let it dry for a minimum of a day. Once the putty has fully cured, you can apply a topcoat of acrylic latex. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes may wear out with time and use. This could result in a door or a window that is difficult to open or close. It's important to know that replacing and repairing this hardware is often straightforward and cost-effective. If you are having trouble opening the sash, spray some lubricant into the jamb channel. Then slide the sash up and open to see if that fixes the problem. If the issue persists it's likely to be due to the sash's balance. You will need to take off the window sash to access the hardware.

Window sashes need to open and close without much effort. However, this can be difficult if the weights are worn out or the sash-to rail connecting rail isn't properly coated. This issue could be caused by a number of reasons, such as lack of maintenance or by an incorrect weight rating for the particular window sash.

If the hinge arms of a window are beginning to sag, this can cause the sash's to drag and eventually strike the frame in the corner that's opposite the hinge arm (Photo 1). To fix the problem, make sure 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 need to unscrew the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, windows that are old particularly those in older houses, could be difficult to open and close. In many instances, a few minor repairs can transform these windows into smooth operation for the first time and save the homeowner money on energy bills.

To complete these sash repairs it is important to have all of the necessary tools in place before you begin. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will make it easier to place the channel in the right position after you've finished. Then, remove the sash and take off the hardware including the parting beads (Photo 2) and the cords or chains which hold it in place. The nozzle shield of the heat gun and a medium setting can soften any hardened putty. Remove the old sash and place it in a labelled bag.

Sash Weights

No matter if your window sash repair needs are to replace a damaged cord or just to ensure that the windows are functional by replacing worn out weights for sash will improve its operation and reduce energy costs. Sash weights are made of iron or lead cylinders that are encased inside a concealed cavity, and are connected via ropes to the moveable window sash. They function as counterbalances, which allows you to open and shut the window without requiring mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners, and are turned into scrap when they fail; therefore you might need to search for replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve, so you will want to find a new one that is suitable for the. You will also require a new piece of string, a length of sash cord and some sash pulleys that will tie the new sash weights onto the sash cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs holding the parts together can be removed using pin punches and hammers. The majority of these pegs have large diameters on one side and a smaller diameter on the other, which is why it is essential to remove the small-diameter sides first. Later sashes utilized glue instead of pins. They can be cut by using a knife or mallet.


After the sash has been removed, you can remove the sash stop and access the weight pocket. This is usually done via tiny holes at the bottom of each jamb. This hole is then covered by a wooden access panel which can be removed so that you can observe the inner workings of the frame.

After you have the sash stopped and the access panel removed, you'll be able to take off the weight of the old sash and replace it with the new. Be sure to weigh the sash prior to you begin, as the old weights could be different in size from the one you need. Once the new weight is in place, tie a string to it and thread it through the pulley of the sash. Then, attach the string to your boxed frame. Leave a few inches protruding at the head of the string to allow for future adjustments.

Sash Cords

Most old double-hung windows include a chain or cord attached to the weights that supports and keeps the sashes level in the jamb. Over time, these chains may become damaged and render it impossible to raise windows. A new sash cord will restore the ability to move the sash up and down and keep it in place when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically nailed or screwed in and will require to be removed or relocated. You might be able to employ a hammer and chisel for removing them however, it is always best to lay down dust sheets prior to beginning any work.

After you have removed the access panel, you are able to begin working on the sash. Take the narrow beads (also called "tie rails") out of their grooves using flat bar or chisel. It is essential to take your time, as these are often placed in a wedge or nail. If the sash remains in place, remove the mortise and tenon joints with the help of a hammer and pin or screwdriver, then unhook the wood pegs attached to each component. You should be able to move the sash around freely, although it will probably need some lubrication if it feels stiff.

Measure the length of sash chain/sash cord required to reach the sash slot on the bottom from the pulley at the top of the jamb. Cut the cord or chain, and then attach it as described in the previous step. You can employ a hammer, nail or screws, but nails are less likely to cause damage.

If you haven't purchased an item that replaces the counterbalance system that was in place before, it's best to keep the original balancing weights in place. They're not expensive and are easy to install if purchased them from architectural salvage stores. Based on the size and shape of your window you may need to use one or two sashweights to keep the sash open.

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