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Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. You can avoid future repair costs by catching the issues early before they get out of hand.

The sash is the internal framing that can be moved vertically either up or down in windows that open. This article will teach you how to make several simple sash repairs.

Weather Stripping

Wooden window sashes are a great way to add an elegant appearance to your home. They are also durable and can last many years provided they are properly maintained. However, they can become damaged or deteriorate in time due to exposure to elements and wear and tear. Sash repair specialists can restore windows to their original state and maintain their appearance longer than replacement windows.

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

Then, you can remove the sash from its holder and place it on an even surface that allows you to access all four sides. If your sash is double glazing repairs-hung, you'll need to remove the weights and their ropes, which should have fallen into the pocket of the jamb liner. After you've removed the sash using a utility knife, you can use it to cut off the old weather stripping at the corners, then remove it manually or using a putty blade.

When the sash is clean it is time to replace the parting stops. These are long pieces that separate the sashes. Pam prefers to use the standard 1/2-inch by 3/4 inch window trimming from the lumberyard. However, you could substitute for a scrap piece of lumber.

After removing the parting stops and trimming them to your desired length and thickness, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a day. After the putty has completely cure, you can apply a topcoat of acrylic. This will help protect the putty and give your sash a modern appearance.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and with use. This can result in the window or door that is difficult to open or close. It's good to know that replacing and repair of this hardware is typically easy and affordable. If a sash is difficult to operate you can try spraying some lubrication into the jamb channel and then slide it open to see if that resolves the issue. If the problem persists it's likely that the sash balance is off. It is necessary to take off the window sash in order to reach this hardware.

Sashes for windows should be able to be able to open and close with minimal effort. However, this can be difficult if weights are worn out or the sash-to-rail connecting rail isn't properly coated. This problem can be caused by a variety of reasons, such as insufficient maintenance or an incorrect weight rating for the particular sash.

If the hinge arms of a window are starting to lose their elasticity, this could cause the sash's to drag and eventually strike the frame in the corner that's opposite the hinge arm (Photo 1). To correct the issue make sure the sash is centered in the frame opening and then remove it. If the sash is screwed to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Due to sagging hinges, Window Repair and a general lack in energy efficiency, old windows especially in older homes, may be difficult to open or close. Sometimes, a few simple fixes can allow these windows to operate smoothly and help homeowners save money on energy costs.

It is essential to have the tools needed before you start. Mark the hinge channel location on the frame (Photo 1) with a pencil. This will allow you to place the channel in the correct location after you've completed. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the cords or chains which hold it in place. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Take off the old sash and put it in a bag with a label.

Sash Weights

Sash weights can be changed to improve the performance of your window sash, and also reduce energy costs. Sash weights are heavy lead or iron cylinders, which are enclosed in a concealed cavity and connected to the movable the sash with a rope. These weights provide counterbalance, allowing the window to be closed and opened without the use of electrical or mechanical devices. If they fail, sashweights are usually neglected or not used by homeowners.

It is difficult to recover an sash-weight which has fallen from the cavity, so you'll need to find one that fits properly. You will also require a new piece string, a length of sashcord and a few sashpulleys to secure the new weights to the cord.

Older windows made of wood are joined by mortise and tenon joints. Hammers and pins can be used to cut off the wood pegs that hold the parts together. The majority of them are large on one side, and smaller on the other. It is important to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs and can be separated by cutting through the glue line using a knife, then tapping the mortised area loose using mallets.

After the sash is released, you can remove the stops on the sash and get access to the weight pockets. Usually this is accomplished by drilling a hole near the bottom of each jamb. This hole is covered by a wooden access panel that can be ripped off so that you can observe the inner workings of the frame.

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, as the weights you have might not be of the right size. After the new weight is in place, tie a string to it and thread it through the pulley of the sash. Then, attach the string to your boxed frame. Leave a few inches at the head of the string to allow for future adjustments.

Sash Cords

In most old double-hung window the chain or cord is connected to the weights. This helps keep the sashes within the jamb in a balanced manner. Over time, these cords may become damaged and render it impossible to raise windows. A new sash cable will restore the ability to raise and lower the sash and keep it in position when it is opened.

The first step in replacing sash cords is to find and take out the access panels located in the jambs. They are usually attached by nails or screws and need to be removed. It may be possible to remove them with an axe or hammer, but it is always better to lay out dust sheets prior to starting any work.

After removing the access panel, you can begin working on the sash. Utilize a flat bar, or chisel to pry the tiny partsing beads out of their grooves. They are typically wedged into 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 with a screwdriver or hammer and then take out each wood peg. The sash should be able to move around freely now, however it may need some lubrication to 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 in the top of the jamb to the sash slot at the bottom. Cut the cord/chain and then attach it in the previous step. You can either employ a hammer and screws or nails, but nails are less likely to cause damage.

If you don't have an item that replaces the old counterbalance system it's best to keep the original balancing weights in place. They're not expensive and easy to install if you purchase them at architectural salvage stores. Based on the size and shape of your Window Repair you might need to install one or two sashweights to keep the sash open.