Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. If you catch these issues early you can save money on future repairs.

The sash is the internal frame that is vertically moved upwards or downwards in windows that are open. This article will demonstrate how to do a variety of simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also sturdy and last for a long time provided they are properly maintained. However, they can become damaged or degrade over time due to exposure to elements and wear and tear. Sash repair experts can restore windows to their original state and maintain their beauty longer than 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, window repairs it can cause drafts, as well as other issues. Start by identifying the window brand and the manufacturer's date (etched on the glass's corner or the aluminum spacers between panes). Remove the sash and mark its width and height so you can find a new weather stripping that is compatible with the original.

Then, remove the sash and place it on a table so you can access all four sides. If the sash is double-hung, you must remove the ropes and weights that should have fallen into the pocket within the jamb lining. After removing the sash with the utility knife, you can remove the weather stripping that was left by hand or using a putty blade.

Once the sash is clear it is time to replace the parting stops. These are long pieces that separate the sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch window trim from the lumberyard. However, you can also use scrap wood.

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry at least a day. When it's completely dried, apply a top coat of acrylic latex paint. This will protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that supports windows sashes can become worn out over time and use. This could result in a door or a window that is difficult to open or close. It's a good idea to know that replacing or repair of this hardware is typically straightforward and cost-effective. If you are having trouble opening the sash, spray some lubricant into the jamb channel. Then, you can slide the sash open to see if that fixes the issue. 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.

Window sashes need to open and close with little effort. However, this can be difficult if weights are worn out or the sash-to-rail connecting rail isn't properly glazed. This problem could be caused by various reasons that include an absence of maintenance or an unmatched weight rating.

If the hinges on a window begin to sag this can cause the sash drag, and then eventually to hit the frame at the opposite corner (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame opening and then remove it. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Due to hinges that are sagging, and a general lack of energy efficiency, old windows particularly those in older homes, may be difficult to open or close. In many instances, a few minor repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy bills.

In order to make these repairs to the sash it is important to have all of the necessary tools in place before you begin. Mark the hinge channel's location on the frame (Photo 1) using a pencil. This will help you get the channel back in place correctly when you're finished. Remove the sash, and remove all the hardware including the parting beads cords, chains, and cords that help to hold the sash. Soften any hardened putty with a heat gun set to medium and fitted with a shield for the nozzle. Remove the old sash, and store it in an bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a broken cord or to keep the windows functional and functional, replacing worn-out weights on sash can improve sash operation and reduce energy consumption. Sash weights are heavy lead or iron cylinders, which are enclosed in a concealed cavity and attached to the movable window sash using a rope. They function as counterbalances, allowing you to open and close the window without having to use mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners, and are turned into scrap when they fail. Consequently you might need to find replacements.

A sash weight that has fallen out of the cavity is difficult to retrieve It is therefore important to locate a new one that is suitable for the. You will also require a fresh piece of string, window repairs a length sashcord and a few sashpulleys for tying the new weights to the cord.

Older windows made of wood are joined by mortise and tenon joints. Pin punch and hammer can be used to remove the wood pegs that hold the components together. The majority of them are large on one side, but smaller on the other. It is essential to first remove the smaller diameter sides. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting the glue line with an instrument, and then tapping the mortised part loose with mallets.

Once the sash has been released, you can remove the sash stops and gain access to the weight pockets. Usually it is done by drilling a hole near the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inside workings.

Once you have the sash stopped and the access panel removed, you will be able to take off the weight from the sash and replace it with the new. First, weigh the sash, as the weights you've got may not be of the right size. Once the new weight is in place, tie a string to it and thread it through the sash pulley. Then attach the string to the boxed frame, leaving a few inches of string sticking out from the head for future adjustments.

Sash Cords

In the majority of old double glazed window repairs-hung windows the chain or cord is connected to the weights. This supports and keeps the sashes of the jamb level. Over time, these cords could break, making it difficult to raise the window. A new sash cord will restore the ability to move the sash up and down and keep it in place when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically attached by nails or screws and must be removed. It is possible to remove them with a hammer or chisel, however, it is best to lay out dust sheets prior to starting any work.

After the access panel has been removed, you can begin working on the sash. Utilize a flat bar or chisel to pull the narrow parting beads out of their grooves. It is important to take your time, as these are often placed in a wedge or nail. If the sash is still in place, pull the mortise-and tenon joints using a hammer or screwdriver and then remove each wood peg. You should now be able to move the sash back and forth freely, although it will probably need some oil if it feels 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 on the bottom. Cut the cord or chain and secure it in the step 6 above. You can either employ a hammer and screws or nails, but nails are less likely to cause damage.

It is best to keep the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance. It's not expensive to buy them from a salvage store and they will be easy to install once you have the sash open. Depending on the dimensions and shape of your window, you may require one or two sashweights in order to keep it open.