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Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew, and damage. If you catch these issues early you will save money on future repairs.

The sash is an interior frame that can move vertically up and down in windows that are open. This article will show you how to do simple repairs to sash.

Weather Stripping

Wood window sashes add the classic look to your home and, when properly maintained, can last for years. However, they can be damaged or degraded over time, due to exposure and normal wear and tear. Sash repair experts can restore windows back to their original condition and maintain their beauty longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it could cause drafts, as well as other issues. Start by identifying the window's brand and the date of manufacture for the glass (etched on the corner of the glass or the aluminum spacers between panes). Take the sash off and mark its size and width so that you can get replacement weather stripping that matches.

Then, remove the sash from its holder, and place it on flat surfaces to allow you to see all four sides. If the sash is double glazed window repairs-hung, you'll need to take off the weights and the ropes that go with them that should have fallen into the intended pocket in the jamb liner. After removing the sash with the utility knife, remove the weather stripping from the old sash by hand or with a putty blade.

After the sash is cleared, you can replace parting stops. These are long pieces of wood that separate the two sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, but you can also replace them with scrap wood.

After removing the stopper for the parting and cutting 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 for at least a day. When the putty is fully dried it is possible to apply a topcoat of acrylic. This will help protect the putty, and give your sash a modern appearance.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from age and use, and the result can be a door or window that isn't able to open or close easily. It's a good idea to know that replacing or repairing this hardware is often easy and affordable. If a sash isn't easy to operate you can try spraying some lubrication into the jamb channel and then open it to see if that fixes the problem. If the issue continues, it is most likely to be due to the sash's balance. It is necessary to take off the window repair (similar webpage) sash in order to access the hardware.

The ideal situation is for window sashes to move open and shut without effort, however, this can be difficult if the weights become worn or if the sash that joins rail isn't properly coated. This can be due to a variety of factors that include a lack of maintenance and an unmatched weight rating.

If the hinge arms on a window begin to sag this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the opening of the frame and then remove it from the window. If the sash has been attached to the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, older windows particularly those in older houses, could be difficult to open and close. Sometimes, a few simple fixes can help these windows function smoothly once more and save homeowners money on their energy bills.

It is essential to have the tools you need before you begin. Begin by marking the position of the hinge channel on the frame using a pencil (Photo 1). This will allow you to place the channel in the correct location after you've completed. Remove the sash and remove the hardware including the beads that separate (Photo 2) and the chains or cords that hold it in place. Soften any hardened putty using a heat gun set to medium and equipped with an shield for the nozzle. Remove the old sash, and place it in a labelled bag.

Sash Weights

Sash weights can be changed to enhance the efficiency of your window sash and reduce energy costs. Sash weights consist of heavy iron or lead cylinders that are encased in a concealed cavity and are connected via ropes to the movable window sash. These weights function as counterbalances and allow you to open and shut the window without requiring mechanical or electrical devices. If they fail, sashweights are often ignored or disabled by homeowners.

A weight from a sash that fell out of the cavity is difficult to get back, so you will want to find a replacement that fits correctly. You will also require an additional piece of string, a length sash cord, and a few sash pulleys that will tie the new sash weights onto the sash cord.

Older wood windows are joined with mortise and tenon joints. Pin punch and hammer can be used to remove the wood pegs holding the parts together. Most of them have an enormous diameter on one side and a smaller diameter on the other, so it is crucial to take out the smaller-diameter sides first. Sashes made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line with a knife, then tapping the mortised section loose with mallets.

After the sash is removed then you can take out the sash stop and gain access to the weight pocket. Usually, this is done through an opening in the bottom of each jamb. The hole is then covered with a wooden access panel that can be cut off to let you view the inside of the frame.

When the sash has been shut off and the access panel has been removed, you can take off the weight that was previously installed and replace it. Make sure you weigh the sash before you do this, as the old weights may be different in size from what you require. Once the new weight is installed, run the string through the sash pulling mechanism. Then, you can attach the string to your boxed frame. Leave a few inches at the top of the string for future adjustments.

Sash Cords

In the majority of old double-hung windows, a chain or cord is connected to the weights. This helps keep the sashes within the jamb level. As time passes, these cords may 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 will keep it in its position when it is opened.

The first step in replacing sash cords is to find and remove the access panels within the jambs. They are typically screwed or nailed into and require removal. You may be able to use a hammer or chisel for removing them but it's best to lay down dust sheets prior to commencing any work.

After you have removed the access panel, you can begin working on the sash. Make the small parting beads (also called "tie rails") out of their grooves using the chisel or flat bar. They are typically wedged into or nailed in, but they can be snipped out and it's worth your time here. If the sash is still in place, remove the mortise and tenon joints with pin punch and hammer or screwdriver, then remove the wood pegs attached to each piece. You should now be able to move the sash around without difficulty, though it will probably need some oiling if it seems stiff.

With the sash open, measure enough sash cord/chain to extend from the pulley on the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then fix it as described in the previous step. You can use a hammer and screws or nails, however nails are less likely to cause damage.

It is recommended to keep the weights that came with the original counterbalance unless you have purchased a kit to replace the counterbalance that was previously installed. It's not too expensive to purchase them from a salvage store and they'll be simple to install once you have the sash open. Based on the dimensions and shape of your window, you might need to install one or two sashweights to keep the sash open.