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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and other damage. By catching these problems early you will save money on future repairs.

The sash is an interior framing that can be moved vertically either up or down in windows that are open. This article will teach you how to do simple sash repairs.

Weather Stripping

Wooden window sashes can give a classic look to your home. They are also durable and can last many years when they are maintained properly. However, they can become damaged or deteriorate over time due to exposure to elements and normal wear and tear. Fortunately, sash repair specialists can restore your windows to their original condition and maintain their appearance for much longer than newer replacement windows.

The first step for sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's loose or worn out, it could cause drafts and other issues. To fix it, start by finding your window brand and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width to find new weather stripping that matches.

Then, take it off 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 pocket of the jamb liner. After you have removed the sash using the utility knife, remove the weather stripping from the old sash by hand or with the putty blade.

After the sash is cleared, you can install the stoppers that separate the two sashes. They are long pieces of wood that divide the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. However, you can substitute a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length and thickness, apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife, then let it dry for a minimum of a day. When the putty is fully dried it is possible to apply a topcoat of acrylic. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports upvc window repair sashes susceptible to wear and tear from age and use, and the result can be a door or upvc window repairs that won't open or close easily. It's good to know that replacing and repair of this hardware is typically straightforward and cost-effective. If you're having trouble opening a sash spray some lubricant into the jamb channel. Then slide the sash up and open to see if this resolves 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 the hardware.

Window sashes need to be able to open and close with minimal effort. However, this may be difficult if weights are worn out or the sash-to-rail meeting rail is not properly coated. This could be caused by many factors that include an absence of maintenance or an unmatched weight rating.

If the hinge arms on the window begin to move, this can cause the sash drag, and then eventually to hit the frame in the opposite corner (Photo 1). To address this problem, first ensure that the sash is squarely inserted into the opening of the frame and then take it out of the window. If the sash is screwed 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).

Old windows, particularly those in older homes, may be difficult to open and close due to hinges that are sagging and a general inefficiency. In many cases, a few simple repairs can transform these windows into smooth operation again and save the homeowner cash on energy costs.

It is important to have the tools you require before you begin. Mark the hinge channel location on the frame (Photo 1) with a pencil. This will assist you in getting the channel back in place correctly when you're finished. Then, remove the sash, and then remove the hardware, including the parting beads (Photo 2) and the cords or chains that secure it. Soften any hardened putty with an electric heat gun set to medium and fitted with a shield for the nozzle. Remove the old sash and place it in a labelled bag.

Sash Weights

If your window sash repairs are to replace a broken cord or to ensure that the windows are functional and functional, replacing worn-out weights on sash can improve sash operation and help reduce energy costs. Sash weights consist of heavy iron or lead cylinders that are encased in a hidden cavity and are connected via ropes to the movable window sash. They provide counterbalance which allows the window to be opened and closed without using mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners and turned into scrap when they fail. Consequently you might need to locate replacements.

It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that is suitable for the. You will also require a new piece of string, a length sash cord, and a few sash pulleys that will tie the new sash weights to the sash cord.

Older windows made of wood are joined using mortise and tenon joints. The wood pegs that keep the parts together can be removed with pin punches and hammers. Most of these pegs have large diameters on one side and a smaller size on the other side, so it is crucial to take out the small-diameter sides first. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting through the glue line with an instrument, and then tapping the mortised area loose with a mallet.

Once the sash has been released, you can remove the sash stops and gain access to the pockets for weights. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is then covered with an access panel of wood that can be cut off 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 remove the weight from the sash and replace it with the new. First, weigh the sash because the weights you have might not be the correct size. Once the new weight has been installed, thread the string through the sash pulling mechanism. Then nail the string to the boxed frame, but leave a few inches of string hanging from the head to allow for future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is connected to the weights. This supports and keeps the sashes of the jamb in a balanced manner. As time passes, these cords may break, making it impossible to raise the window. A new sash cable can restore the ability to raise and lower the sash, and keep it in position when opened.

The first step in replacing sash cords is to locate and take out the access panels located in the jambs. They are usually screwed or nailed in and must be removed. It may be possible to remove them with the hammer or chisel however, it is best to lay out dust sheets before starting any work.

After removing the access panel, you are able to begin to work on the sash. Use a flat bar or chisel, to pry the small parting beads out of their grooves. They are usually wedged in or nailed in, but they can be snipped out, so it's worth taking your time here. If the sash is still in place, break the mortise and tenon joints using pin punch and hammer or screwdriver, then remove the wood pegs attached to each component. The sash should be able to 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 in the top of the jamb to the sash slot on the bottom. Cut the cord or chain and fix it using Step 6 above. You can do this with nail, hammer or screws. However nails are less likely than screws to cause damage.

It's best to leave the weights that came with the original counterbalance unless 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 have the sash unlocked. Depending on the size of your window, two or three sash weights might be required to keep it in an open position.