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Window Sash Repairs

Regularly inspect the window sashes for signs of damage, mildew and mold. You can save future repair costs by catching problems in the early stages before they become out of control.

The sash is an inside frame that can move vertically up and down in windows that open. This article will show you how to make several simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also sturdy and can last many years if they are properly maintained. They can, however, become damaged or degraded with time due to exposure or normal wear and tear. Sash repair specialists can restore windows back to their original condition and maintain their appearance much longer than replacement windows.

The first step in sash window repair repairs is addressing weather stripping, which is found on both the sash and frame. It can cause drafts if it's damaged or is loose. Start by identifying the window brand and the date of manufacture for the glass (etched on the corner of the glass or on the aluminum spacers between panes). Then, take the sash off and mark its height and width so that you can locate the appropriate weather stripping replacement to match.

Next, remove the sash and place it on a work surface so you can access all four sides. If your sash is double glazed window repairs-hung, you'll have to remove the weights as well as the ropes that go with them which should have slipped into the intended pocket in the jamb liner. After you've removed the sash, use a utility knife to remove the old weather stripping at the corners. Then, remove it manually or using a putty blade.

Once the sash is clear, you can replace the parting stops. These are long pieces that divide the sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch upvc window repairs trim from the lumberyard, however you could also use scrap 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 your putty tool, and let it dry for at least one day. Once it's fully cured, apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports the windows sashes can become worn out with time and use. This could lead to windows or doors that is difficult to open or close. The good thing is that fixing and replacing this hardware is usually relatively easy and affordable. If a sash is difficult to operate, try spraying some lubrication into the jamb channel then slide it open to see if that solves the issue. If not, the issue is likely to be with the sash balance, and you'll need to remove the sash to access this hardware.

Ideally, window sashes must be able to open and close without effort, but this can be an issue when the weights wear out or if the sash that joins rail isn't properly coated. This could be caused by a variety of factors such as an absence of maintenance or an unmatched weight rating.

If the hinge arms of a window are starting to slide, this could cause the sash to slide and eventually land on the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix the problem, make sure that the sash is in the proper position within the frame opening and then remove it. If the sash was fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Then, you can install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to open and close due to hinges that are sagging and a general lack of energy efficiency. In most instances, a few minor repairs can turn these windows into smooth operators and save homeowners money on energy bills.

To make these repairs to sash, it's important to have all of the necessary tools lined up before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will help you to position the channel in the proper place when you are finished. Then, remove the sash and take off the hardware including the parting beads (Photo 2) and the chains or cords which hold it in place. Heat gun with nozzle shield and medium setting will soften any hardened glue. Remove the old sash and keep it in a bag labeled.

Sash Weights

If your upvc window repairs near me sash repairs are to replace a broken cord or simply to keep the windows functional, replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are composed of heavy lead or iron cylindricals that are contained inside a concealed cavity, and connected by a rope to the movable window sash. These weights function as counterbalances, which allows you to open and close the Window repair without having to use mechanical or electrical devices. If they fail, sashweights are often left unnoticed or disabled by homeowners.

A sash weight that has fallen out of the cavity is difficult to retrieve, so you will want to locate a new one that fits properly. You will also require a new piece string, a length sashcord and a few sashpulleys to secure the weights you are replacing 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 holding the components together. The majority of them have a large diameter on one side and a smaller size on the other, so it is crucial to take out the small-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 an instrument, and then tapping the mortised part loose with a mallet.

After the sash is removed, you can remove the sash stop and access the weight pocket. This is usually done through an opening in the bottom of each jamb. This hole is covered by a wooden access panel which can be removed to allow you to see the inner workings of the frame.

After you have the sash stopped and the access panel removed, you'll be able to take off the weight of the old sash and replace it with new. Be sure to weigh the sash prior to you do this, since the old weights could be different in size from what you require. Once the new weight has been installed, thread a string through the sash pulling mechanism. Then, you can attach the string to your boxed frame. Leave a few inches at the top of the string to allow for future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is affixed to the weights. This supports and keeps the sashes in the jamb level. As time passes, these cords can become damaged and make it impossible to raise windows. A new sash cable will give you the ability to move and lower the sash and keep it in position when opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are typically screwed or nailed into and must be removed. It may be possible to take them out using the hammer or chisel but it is always best to lay out dust sheets before beginning any work.

After removing the access panel, you can begin working on the sash. Utilize a flat bar or chisel to pry the small parting beads out of their grooves. They are usually wedged in or nailed in, but they can be snipped out and it's worth your time here. If the sash remains in place, pry the mortise and tenon joints free using a hammer or screwdriver, then remove each wood peg. The sash should move around freely now, however it might require some lubrication to make it feel less stiff.

With the sash in an open position Take a measurement of the sash chain to extend from the pulley in the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then attach it as described in Step 6 above. You can use a hammer and nail or screws, but nails are less likely to cause damage.

If you haven't purchased an upgrade kit to replace the old counterbalance system it's recommended to keep the original balancing weights in place. They're not expensive and simple to install if purchased them from salvage shops for architectural use. Based on the size of your window two or three sash weights might be required to keep it open.