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Window Sash Repairs

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

The sash is an interior frame that can move vertically up and down in windows that are open. This article will show you how to perform easy repairs to your sash.

Weather Stripping

Wood window sashes give an elegant look to your home and, when properly maintained, they can last for years. However, they may become damaged or degraded as time passes because of exposure to the elements and normal wear and tear. However, sash repair experts can restore your windows back to their original condition and keep them looking fantastic for longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which can be found on both the sash as well as the frame. It could cause drafts if damaged or is 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, remove the sash and mark its width and height, so you can find replacement weather stripping to match.

Next, remove the sash and place it on a surface so you can access all four sides. If your sash is double-hung, you'll have to take off the weights and the ropes that go with them that should have fallen into the pocket of the jamb liner. Once 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 with a putty knife.

When the sash is clean, you can replace the 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 repairs trim from the lumberyard. However, you could also use a piece of scrap wood.

After removing the parting stops and trimming them to your desired length then apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife and let it dry for a minimum of a day. After it has fully dried, apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports windows sashes can become worn out over time and with use. This could lead to windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is generally very simple and cost-effective. If a sash becomes difficult to operate, try spraying some oil into the jamb channel, and then slide it open to see if it resolves the issue. If not, the issue is most likely due to the sash balance and you'll need to remove the sash in order to access the hardware.

Window sashes should open and close with little effort. However, this may be difficult if weights are worn out or the sash-to-rail connecting rail isn't properly covered with. This issue can be caused by a number of factors, including lack of maintenance or by an incorrect weight rating for the particular sash.

If the hinge arms of a window are beginning to sag, this can cause the sash to slide and eventually land on the frame in the corner opposite the hinge arm (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame opening, and then take it off. If the sash is fixed to the hinge arm, remove the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Windows that are old, especially in older homes, may be difficult to open and close because of sagging hinges and general lack of energy efficiency. In most instances, a few minor repairs can turn these windows into smooth operators again and save the homeowner cash on energy costs.

To complete these repairs to the sash it is important to have all the tools needed before you begin. Mark the hinge channel's location on the frame (Photo 1) using a pencil. This will assist you in getting the channel back in place correctly when you're finished. Remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the chains or cords that secure it. Soften any putty that has been hardened with a heat gun set to medium and equipped with a nozzle shield. Take off the old sash and store it in an bag that is labeled.

Sash Weights

If your window sash repairs are to replace a broken cord or just to keep your windows functioning and functional, replacing worn-out weights for sash will improve its operation and help reduce energy costs. Sash weights are heavy lead or iron cylinders enclosed in a hidden cavity and linked to the moveable the sash with rope. These weights act as counterbalances, allowing you to open and shut the window without the need for mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and turned into scrap when they break; therefore you may have to find replacements.

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

Mortise and Tenon joints can be used to join older wood windows. Pin punch and hammer can be used to remove the wood pegs that hold the parts together. Most of them have a large diameter on one side and a smaller size on the other side, so it is crucial to take out the smaller-diameter sides first. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting through the glue line using an instrument, and then tapping the mortised part loose with a mallet.

After the sash has been removed, you can remove the sash stop and access the weight pocket. This is usually done through tiny holes at the bottom of every jamb. The hole is surrounded by a wooden panel that can be removed to reveal the interior workings.

After the sash has been stopped and the access panel removed, you'll be able to remove the old sash weight and replace it with the new. First, weigh the sash because the weights you have might not be the right size. Once the new weight is in place you can tie a string around it and thread it through the pulley of the sash. Then, you can attach the string to your boxed frame. Leave a few inches at the end of the string to allow for future adjustments.

Sash Cords

In the majority of double-hung windows the chain or cord is connected to the weights. This keeps the sashes in the jamb level. As time passes, these cords may 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 it is opened.

The first step in replacing cords for sash is to locate and remove the access panels in the jambs. They are typically nailed or screwed in and will need to be removed or repositioned. It is possible to take them out using an axe or hammer, however, it is best to lay out dust sheets prior to starting any work.

After the access panel has been removed, you can start working on the sash. Utilize a flat bar or chisel to pull the small parting beads from their grooves. These are often wedged in or nailed but can be snipped out, so it's worth taking your time. If the sash remains in place, pry the mortise-and-tenon joints out using a hammer or screwdriver, then remove each wood peg. The sash should be able move freely now, but it may need some lubrication to make it feel less stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to extend from the pulley at the top of the jamb to the sash slot at the bottom. Cut the cord or chain and attach it as described in the step 6 above. You can use either nail, hammer 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 that will replace the counterbalance. It's not expensive to buy them from architectural salvage stores and they'll be easy to install once you've got the sash unlocked. Depending on the size and shape of your window you might need to install one or two sashweights to keep the sash open.