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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and damage. You can save future door repair costs by catching problems early on, before they get out of hand.

The sash is an interior framing that can be moved vertically up or down in windows that open. This article will show you how to perform simple sash repairs.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home. When properly maintained, they will last for years. They can, however, be damaged or degraded over time due to exposure and normal wear and tear. Fortunately, sash repair specialists can bring your windows back to their original condition and maintain their appearance for longer than replacement windows.

The first step to sash window repairs is addressing weather stripping, which can be found on both the sash and frame. It can cause drafts if it's worn out or loose. Begin by identifying the window brand and the manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Remove the sash, and mark its width and height so that you can find a replacement weather stripping that matches.

Then, take it off and place it on a table so that you can reach all four sides. If the sash is double-hung, you'll need to remove the weights and their accompanying ropes that should have fallen into the intended pocket in the jamb liner. After 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 using a putty blade.

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

After removing the parting stop and cutting it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth it out using your putty knife, then let it dry for at least a day. Once it's fully cured, apply a top coat of acrylic latex paint. This will help protect the putty and give your sash a modern look.

Sash Hardware

The hardware that holds the window sashes can wear out with time and use. This can result in windows or doors that is difficult to open or close. The good news is that fixing and replacing this hardware is usually relatively easy and affordable. If you are having trouble opening a sash, spray some oil into the jamb channel. Then, slide the sash open to see if it resolves the issue. If the problem persists, it is most likely to be due to the sash's balance. You'll need to take off the window sash in order to get access to this part of the hardware.

Ideally, window sashes should move open and shut without effort, however, this can be difficult when the weights are worn or if the sash's meeting rail isn't properly glazed. This could be caused by many factors that include the lack of maintenance or a mismatched weight rating.

If the hinges on the window begin to move, this could cause the sash to drag and eventually hit against the frame in the opposite corner (Photo 1). To fix this issue, first make sure the sash fits squarely in the opening of the frame and then take it out of the window. If the sash has been attached to the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

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

It is crucial to have the tools needed before you start. Mark the hinge channel location on the frame (Photo 1) with pencil. This will assist you in getting the channel back on the correct position after you've finished. Remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. The nozzle shield of the heat gun and a medium setting can soften any hardened putty. Take off the old sash and store it in a bag with a label.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or simply to keep your windows functioning, replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are composed of heavy iron or lead cylinders that are encased inside a concealed cavity, and connected by a rope to the movable window sash. They function as counterbalances, allowing you to open and close the window without the need for mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and then turned into scrap when they fail. Consequently you might need to locate replacements.

A weight from a sash that fell out of the cavity is difficult to get back It is therefore important to find a new one that is suitable for the. You will also need an additional piece of string, a length of the sash cord, as well as some sash pulleys that will tie the new sash weights to the sash cord.

Mortise and Tenon joints are used to join old wood windows. The wood pegs that keep the components together can be removed using a pin punch and hammer. The majority of these pegs are large on one side and smaller on the other. It is important to first remove the smaller diameter sides. Later sashes utilized glue instead of pins. They can be cut by using a knife or mallet.

After the sash is removed, you can remove the sash stop and access the weight pocket. This is typically done by drilling an opening in the bottom of each jamb. This hole is covered by an access panel made of wood which can be removed to allow you to view the inside of the frame.

After the sash has been stopped and the access panel removed, you will be able to remove the weight of the old sash and replace it with the new. Be sure to weigh the sash prior to you do this, Window repairs as the old weights could be different in size from what you require. Once the new weight has been installed, you can thread an appropriate length of string through the pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches at the head of the string to allow future adjustments.

Sash Cords

The majority of double-hung windows with a history include a chain or cord attached to the weights which supports and keeps the sashes balanced in the jamb. As time passes, these cords can become damaged and render it impossible to raise windows. A new sash cord can restore the ability to move the sash upwards and downwards and hold it in place when it is 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 must be removed or relocated. You could use a hammer or chisel for removing them however, it is always best to lay down dust sheets prior to starting any work.

After removing the access panel, you can begin to work on the sash. Use a flat bar or chisel, to pry the small parting beads out of their grooves. They are typically wedged into or nailed but can be snipped out, so it's worth taking your time here. If the sash remains in place, pull the mortise and tenon joints free using a hammer or screwdriver and then take out each wood peg. You should now be able to move the sash back and forth without difficulty, though it will probably need some oil if it feels stiff.

With the sash in an open position Take a measurement of the sash chain to extend from the pulley at the top of the jamb to the sash slot at the bottom. Cut the chain or cord and secure it as in Step 6 above. You can do this with a hammer, nails, or screws. However nails are less likely than screws to cause damage.

It is recommended to keep the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance that was previously installed. It's not too expensive to purchase them from a salvage store and they'll be simple to install once you have the sash open. Depending on the size and shape of your window you may require one or two sashweights in order to keep it open.