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Window Sash Repairs

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

The sash is an interior frame that can move upwards and downwards in windows that open. This article will show you how to make several simple repairs to upvc windows to sash.

Weather Stripping

Wood window sashes give a classic aesthetic to your home. If properly maintained, can last for a long time. They can, however, be damaged or degraded over time due to exposure or normal wear and tear. Thankfully, sash repair experts can bring your windows back to their original condition and keep them looking great for much longer than newer replacement windows.

The first step in repair sash window damage is to fix weather stripping, which can be found on both the sash as well as the frame. It can cause drafts if it's worn or loose. To fix it, start by finding your window brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its width and height so that you can locate new weather stripping that matches.

Next, remove the sash and set it on a surface so that you can reach all four sides. If your sash was double glazed window repair-hung, remove the weights using their ropes that should have fallen into the pocket within the jamb lining. After removing the sash using the utility knife, take off the old weather stripping by hand or with the putty blade.

Once the sash is clear and clean, you can put in the parting stops. These are long pieces that separate the sashes. Pam prefers to use the standard 1/2-inch by 3/4 inch window trim from the lumberyard. However, you could also use a scrap piece of wood.

After removing the stopper for the parting and trimming it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth the compound using a putty knife, and allow it to dry for at least one day. When the putty is fully dried and dried, you can apply an acrylic latex topcoat. This will help protect the putty, and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear from time and usage, and the result can be a door or window that can't be opened or closed easily. The good news 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 and then open it to see if it fixes the problem. If not, the problem is likely with the balance of the sash and you'll need to remove the sash to access this hardware.

Sashes for windows should be able to open and close without much effort. However, this may be a challenge if the weights have been worn out or the sash-to rail connecting rail isn't properly glazed. This problem could be caused by many factors, including an absence of maintenance or an unmatched weight rating.

If the hinge arms on the window begin to move, this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame's opening and take it off. If the sash was attached to the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Windows that are old, especially in older homes, can be difficult to close and open due to sagging hinges and a general inefficiency. In most instances, a few minor repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy costs.

It is essential to have the tools you need before you begin. Mark the location of the hinge channel on the frame (Photo 1) using a pencil. This will help you to put the channel in the correct location after you've completed. Remove the sash and take off the hardware including the beads that separate (Photo 2) and the chains or cords which hold it in place. A hot gun with nozzle shield and medium setting will soften any hardened putty. Remove the old sash, and put it in a bag labeled.

Sash Weights

If your window sash repairs are to replace a damaged cord or to keep the windows functional by replacing worn out sash weights will improve sash operation and reduce the energy cost. Sash weights are made of iron or lead cylindricals that are contained in a concealed cavity and attached by ropes to the moveable window sash. These weights act as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. If they fail, sashweights are usually ignored or disabled by homeowners.

It's not easy to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that fits correctly. You will also need an additional piece of string, a length of sash cord and some sash pulleys to connect the new sash weights onto the sash cord.

Older windows made of wood are joined by mortise and tenon joints. Pin punch and hammer can be used to cut off the wood pegs that hold the components together. Most of these pegs have an enormous diameter on one side and a smaller size on the other, so it is important to remove the smaller-diameter ones first. Later sashes utilized glue instead of pins. They can be cut by using a knife or mallet.

Once the sash has been released, you can remove the stops on the sash and get access to the pockets for weights. Usually, this is done through a hole near the bottom of each jamb. This hole is covered by an access panel made of wood that can be ripped off to allow you to observe the inner workings of the frame.

After the sash has been stopped and the access panel removed, you will be able to take off the weight of the old sash and replace it with new. Make sure you weigh the sash prior to you begin, as the weights that were previously used may be a different size than what is needed. Once the new weight is installed you can tie a string around it and then thread it through the sash pulley. Then nail the string to the frame, but leave a few inches of string hanging from the head for future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain attached to the weights that supports and keeps the sashes in balance in the jamb. Over time, these chains can get damaged and make it difficult to raise windows. A new sash cord can restore the ability to move the sash up and down and will keep it in its place when it is opened.

The first step to replace sash cords is to locate and remove the access panels within the jambs. These are usually installed by screws or nails and will need to be removed or moved. It is possible to take them out using a hammer or chisel, but it is always better to lay out dust sheets before starting any work.

After you have removed the access panel, you can begin working on the sash. Use a flat bar or Window Sash Repairs chisel to pry the small parting beads from their grooves. They are typically wedged into or nailed, but they can be removed, so it's worth taking your time. If the sash is still in place, pry the mortise-and-tenon joints out with a hammer or screwdriver and then remove each wood peg. You should be able to move the sash around without difficulty, though it might require oiling if it seems stiff.

Determine the length of the sash chain or sash cord needed to reach the sash slot on the bottom of the pulley at the top of the jamb. Cut the cord or chain and secure it in the step 6 above. You can use a hammer, nails or screws. However nails are less likely to cause damage.

Unless you've bought a kit that replaces the old counterbalance system it is recommended to keep the original weights for balancing in place. They're not expensive and simple to install if purchased them from architectural salvage stores. Based on the dimensions and shape of your window you may need to use one or two sashweights in order to keep the sash open.