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Window Sash Repairs

Make sure to check the sashes of your windows regularly for damage, mildew, and mold. You can avoid future repair costs by catching these issues in the early stages, before they get out of hand.

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

Weather Stripping

Wood window sashes add the classic look to your home. If properly maintained, can last for years. However, they can be damaged or degraded over time, due to exposure and normal wear and tear. Thankfully, sash repair experts can bring your windows back to their original condition and keep them looking great for longer than replacement windows.

The first step for repair sash windows is to address weather stripping, which is found on both the sash and frame. If it's damaged or worn out, it can lead to drafts and other issues. To fix it, start by determining your window's brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off, and mark its width and height so you can find a new weather stripping that is compatible with the original.

Then, you can remove the sash from its holder, and place it on an even surface that allows you to access all four sides. If your sash was double-hung, you must remove the weights using their ropes that should be buried inside the jamb lining. After you've removed the sash and the weights, use a utility knife to remove the weather stripping from the corners, then remove it by hand or using a putty knife.

After the sash has been cleared, you can replace the stoppers that separate the two sashes. They are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trim from the lumberyard. But, you can also use for a scrap piece of lumber.

After removing the stoppers for parting and trimming them to the desired length then apply a thin layer of glazing compound over 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 dried, you can apply an acrylic latex topcoat. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from the wear and tear of use, and the result can be a door or window that can't be opened or closed easily. The good thing is that fixing and replacing this hardware is generally very simple and cost-effective. If a sash becomes difficult to operate you can try spraying some oil into the jamb channel then slide it open to see if that fixes the problem. If not, the problem is likely to be with the sash balance, and you'll have to take off the sash to gain access to the hardware.

The ideal situation is for window sashes to move open and shut with very little effort, but this is difficult if the weights become worn or if the sash that joins rail isn't properly coated. This problem can be caused by a variety of reasons, such as lack of maintenance or by an incorrect weight rating for a particular sash.

If the hinge arms of a window are beginning to lose their elasticity, lock this could cause the sash to drag and eventually strike the frame in the corner in the opposite direction of the hinge arm (Photo 1). To fix this problem, first ensure that the sash is firmly seated in the opening of the frame and then take it out of the window. If the sash has been screwed to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to close and open due to sagging hinges and general inefficiency. In many instances, a few minor repairs can turn these windows into smooth operators again and save the homeowner money on energy costs.

In order to make these sash repairs it is essential to have all of the necessary tools lined up before you begin. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will help you to position the channel in the correct position after you've finished. Then, remove the sash and take off the hardware, including the parting beads (Photo 2) and the chains or cords which hold it in place. Soften any putty that has been hardened with a heat gun set to medium and fitted with an shield to block the nozzle. Remove the old sash, and keep it in a labeled bag.

Sash Weights

If your window sash repairs are to replace a broken cord or simply to ensure that the windows are functional and functional, replacing worn-out weights for sash will improve its operation and reduce the energy cost. Sash weights are heavy, lead or iron cylinders enclosed inside a hidden compartment and attached to the movable sash by a rope. They are counterbalancers that allows the upvc window repairs to be opened and closed without the need for mechanical or electrical devices. When they fail, sashweights are usually ignored or disabled by homeowners.

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

Mortise and Tenon joints can be used to join older wood windows. The wood pegs that keep the components together can be removed using a pin punch and hammer. The majority of these pegs have large diameters on one side and a smaller one on the other, so it is crucial to take out the smaller-diameter sides first. Later sashes made use of glue instead of pins. They can be separated by using a knife and mallets.

After the sash is removed then you can take out the stopper on the sash and get access to the weight pocket. Usually, this is done through an opening in the bottom of each jamb. This hole is then covered by an access panel made of wood which can be removed so that you can view the inside of the frame.

Once the sash is stopped and the access panel is removed, you can remove the weight you used and replace it. Weigh the sash first, as the weights you've got may not be the correct size. After the new weight is in place then tie a string to it and thread it through the pulley for the sash. Then, nail the string to the boxed frame. Leave a few inches protruding at the top of the string for future adjustments.

Sash Cords

The majority of double glazed window repairs-hung windows with a history have a cord or chain connected to the weights that helps keep the sashes in balance in the jamb. As time passes, these cords can get damaged and render it impossible to raise the windows. A new sash cord will restore the ability to move the sash up and down and will keep it in its place when opened.

The first step to replace sash cords is to find and remove the access panels in the jambs. They are typically fixed or screwed in and will need to be removed or moved. It is possible to remove them using the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.

After the access panel has been removed, you can begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with flat bar or chisel. It's important to be patient as they're often placed in a wedge or nail. If the sash is in place, pry out the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, and then take out the wood pegs attached to the components. The sash should move freely, however it might require some lubrication in order to feel less stiff.

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

Unless you've bought an upgrade kit to replace the old counterbalance system it's recommended to keep the original weights for balancing in place. It's not too expensive to purchase these from salvage shops for architectural purposes and they'll be simple to install once you've got the sash unlocked. Depending on the size of your window one or two sashweights could be needed to keep it open.