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Window Sash Repairs

Window sashes need to be inspected regularly for signs of mold, mildew, and damage. By catching these problems early, you can save money on future repairs.

The sash is an inside frame that is able to move upwards and 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 can add an elegant look to your home. They are also sturdy and can last many years when they are maintained properly. However, they may become damaged or degraded in time due to exposure to the elements and wear and wear and tear. Fortunately, sash repair specialists can restore your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step to sash window repairs (you could try these out) is addressing weather stripping, which can be found on both the sash and frame. If it's damaged or worn out, it can cause drafts and other problems. To fix it, start by determining the brand of your window and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash and mark its width and height so that you can get replacement weather stripping that matches.

Then, remove the sash and place it on a table so you can access all four sides. If your sash was double-hung, take out the weights using their ropes that should have fallen into the pocket within the jamb lining. After you've removed the sash using a utility knife, you can use it to remove the old weather stripping at the corners, then remove it by hand or using a putty knife.

Once the sash has been cleaned, you can replace parting stops. These are long pieces that separate the sashes. Pam likes to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, however you can also use a piece of scrap wood.

After removing the parting stops and trimming them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty tool, and let it dry at least a day. Once the putty has fully dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from time and usage and the result could be a window or door that won't open or close easily. It's a good idea to know that replacing and repair of this hardware is typically simple and inexpensive. If you are having trouble opening the sash, spray some oil into the jamb channel. Then, you can slide the sash up and open to see if it resolves the problem. If not, the issue is likely to be with the balance of the sash and you'll need to remove the sash to access the hardware.

The ideal situation is for window sashes to swing open and closed with very little effort, however, this can be difficult when the weights wear out or if the sash's meeting rail isn't properly glazed. This problem can be due to a variety of factors that include the lack 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 eventually hit against the frame at the opposite corner (Photo 1). To fix the problem, make sure that the sash is aligned in the frame opening and then remove it. If the sash is screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Due to sagging hinges, and a general lack in energy efficiency, windows that are old particularly those in older houses, could be difficult to open and close. In many cases, a few simple repairs can transform these windows into smooth operation again and save the homeowner money on energy costs.

In order to make these sash repairs it is essential to have all the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using pencil. This will assist you in getting the channel back on the correct position after you've finished. Take the sash off and then remove all hardware including the parting beads, cords, and chains that help to hold the sash. Heat gun with nozzle shield and medium setting will soften any putty that has been hardened. Remove the old sash, and put it in a bag that is labeled.

Sash Weights

No matter if your window sash repair needs are to replace a broken cord or just to ensure that the windows are functional, replacing worn out weights for sash will improve its operation and reduce energy costs. Sash weights are made of heavy iron or lead cylindricals that are contained in a hidden cavity and attached by ropes to the movable window sash. These weights provide counterbalance, allowing the window to be closed and opened without the need for mechanical or electrical devices. When they fail, sashweights tend to be neglected or not used by homeowners.

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

Mortise and Tenon joints are used to join older wood windows. Hammers and pins can be used to take out the wood pegs that hold the components together. The majority of them are large on one side, and smaller on the other. It is crucial to remove first the smaller diameter sides. Later sashes made use of glue instead of pins. They can be separated by using a knife or a mallet.

After the sash is released, you can remove stops on the sash and get access to the pockets for weights. Usually it is done by drilling an opening at the bottom of each jamb. This hole is covered with the wooden panel which can be removed to reveal the interior workings.

Once the sash is stopped and the access panel has been removed, you can remove the old weight and replace it. Be sure to weigh the sash before you do this, as the old weights may be a different size than what you require. Once the new weight is installed, run the string through the sash pulling mechanism. Then attach the string to the frame, but only leave a few inches of string protruding from the head for future adjustment.

Sash Cords

Most double-hung windows of the past have a cord or chain connected to the weights that supports and keeps the sashes level in the jamb. Over time, these chains may become damaged and make it impossible to raise windows. A new sash cord will restore the ability to move the sash upwards and downwards 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 usually fixed or screwed in and will require to be removed or moved. You could use a hammer and chisel to prise them off however, it is always best to lay down dust sheets before beginning any work.

After the access panel has been removed, you can start working on the sash. Use a flat bar or chisel to pull the small partsing beads out of their grooves. It is essential to be patient as they're often stuck or nailed to the floor. If the sash remains in place, remove the mortise and tenon joints with the help of a hammer and pin or screwdriver, and then take out the wood pegs that are on each piece. The sash should be able move around freely now, however it may require some lubrication in order to feel less stiff.

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

It is best to keep the original weights if you have purchased a kit to replace the old counterbalance. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you have the sash open. Depending on the size of your window, one or two sashweights may be needed to keep it in an open position.