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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. You can reduce the cost of repairs in the future by catching the issues early on, before they become out of control.

The sash is an interior frame that moves up and down vertically in windows that open. This article will demonstrate how to do a variety of simple repairs to the sash.

Weather Stripping

Wood window sashes add an elegant look to your home. When properly maintained, they will last for years. They can, however, become damaged or degraded with time, due to exposure and normal wear. Sash repair specialists can restore windows to their original condition and maintain their appearance longer than replacement windows.

The first step for repair sash window damage is to fix weather stripping, which can be found on both the sash and frame. If it's damaged or worn out, it could cause drafts, as well as other issues. Begin by identifying the window's brand and the manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Then, remove the sash and mark its height and width so that you can locate the appropriate weather stripping replacement to match.

Then, remove the sash and set it on a surface to allow access to all four sides. If your sash has been double glazing window repairs-hung, take out the weights using their ropes that should fall into the pocket in the jamb lining. After you have removed the sash using the utility knife, remove the weather stripping from the old sash by hand or with a putty knife.

Once the sash has been cleaned, you can replace the stoppers that separate the two sashes. These are long pieces wood that separate the two sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could substitute for a scrap piece of lumber.

After removing the stopper and trimming it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty tool and let it dry for at least a day. When the putty is fully cured, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash an updated look.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear due to the wear and tear of use, and the result can be a door or window that won't open or close easily. The good news is that repairing upvc windows and replacing this hardware is usually quite simple and inexpensive. If you are having trouble opening the sash, spray some lubricant into the jamb channel. Then slide the sash out to see if this resolves the issue. If not, the problem is most likely due to the balance of the sash and you'll have to take off the sash to access this hardware.

Window sashes should open and close without much effort. However, this may be difficult if weights are worn out or the sash meeting rail is not properly glazed. This issue can be caused by a number of factors, including lack of maintenance or by a mismatched weight rating for the particular sash.

If the hinge arms of a window begin to sag, this can cause the sash to drag and eventually strike the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix this problem, Window Sash Repairs first ensure that the sash fits squarely in the frame's opening and then take it out of 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).

Due to hinges that are sagging, and a general deficiency in energy efficiency, windows that are old particularly those in older houses, could be difficult to open or close. In most cases, a few simple repairs can turn these windows into smooth operators again and save the homeowner cash on energy costs.

It is crucial to have the tools you need before you begin. Mark the hinge channel location on the frame (Photo 1) using pencil. This will help you to place the channel in the right place when you are finished. Take the sash off and then remove all hardware, including the beads for parting cords, chains, and cords that help to hold the sash. Soften any putty that has been hardened with a heat gun set to medium and fitted with an shield for the nozzle. Take off the old sash and store it in an labelled bag.

Sash Weights

If your window sash repairs are to replace a damaged cord or simply to ensure that the windows are functional by replacing worn out weights for sash will improve its operation and help reduce the energy cost. Sash weights are made of iron or lead cylindricals that are contained in a hidden cavity and connected by ropes to the moveable window sash. These weights act as counterbalances and allow you to open and shut the window without requiring mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners and turned into scrap when they fail; therefore you may have to search for replacements.

It is difficult to recover the sash-weight that fell from the cavity, so you'll need to find one that fits properly. You will also require a new piece of string, a length sash cord, and a few sash pulleys to tie the new sash weights onto the sash cord.

Older wood windows are joined by mortise and tenon joints. The wood pegs that hold the components together can be removed by pin punches and hammers. Most of them have a large diameter on one side and a smaller size on the other, which is why it is crucial to take out the smaller-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs. They can be separated by cutting through the glue line using the help of a knife, and then tapping the mortised section loose with a mallet.

Once the sash is freed and removed, you can take off the sash stop and gain access to the weight pocket. Usually it is done by drilling an opening at the bottom of each jamb. This hole is then covered by a wooden access panel that can be ripped off to let you observe the inner workings of the frame.

Once the sash is stopped and the access panel is removed, you can remove the old weight and replace it. Be sure to weigh the sash before you begin, as the old weights could be a different size than what you require. After the new weight is in place, tie a string to it and then thread it through the sash pulley. Then, you can nail the string to the frame, but only leave a few inches of string protruding from the head for future adjustments.

Sash Cords

In most old double-hung window, a chain or cord is connected to the weights. This helps keep the sashes within the jamb level. Over time, these cords could break, making it impossible to raise the window. A new sash cable will restore the ability to move and lower the sash and keep it in place when opened.

The first step in replacing sash cords is to locate and remove the access panels within the jambs. They are typically screwed or nailed into and must be removed. You may be able to employ a hammer and chisel to prise them off but it's best to lay down dust sheets prior to commencing any work.

After removing the access panel, you can begin to work on the sash. Make the small parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. It is essential to be patient as they're often stuck or nailed to the floor. If the sash is still in place, pry out the mortise and the tenon joints by using a hammer and pin punch or screwdriver, then remove the wood pegs on each piece. The sash should be able to move freely, window Sash repairs however it might require some lubrication to feel less stiff.

With the sash open Take a measurement of the sash chain to reach from the pulley at the top of the jamb to the sash slot at the bottom. Cut the cord or chain and fix it using the step 6 above. You can use either a hammer, nails or screws. However, nails are less likely to cause damage.

Unless you've bought an item that replaces the counterbalance system that was in place before, it is recommended to keep the original weights for balancing in place. It's not too expensive to purchase them from architectural salvage stores and they will be easy to install once you've got the sash opened. Based on the size of your window, one or two sash weights may be needed to keep it open.