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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew, and damage. You can avoid the cost of repairs in the future by catching problems early before they get out of hand.

The sash is an interior frame that moves up and down vertically in windows that are open. This article will show you how to do simple repairs to sash.

Weather Stripping

Wood window sashes provide an elegant look to your home and, when properly maintained, they will last for a long time. However, they can be damaged or deteriorate as time passes due to exposure to the elements and wear and tear. Fortunately, sash repair specialists can restore your windows to their original condition and keep them looking great for a longer period of time than replacement windows.

The first step to sash window repairs is addressing weather stripping, which can be found on both the sash as well as the frame. If it's worn or loose, out, it can cause drafts, as well as other issues. To fix it, begin by determining the brand of your window and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width to find the appropriate weather stripping replacement to match.

Then, take the sash from the holder and place it on flat surfaces to allow you to reach all four sides. If your sash has a double-hung, you'll need to take off the weights and their ropes that should have fallen into the pocket of the jamb liner. After removing the sash using the utility knife, you can remove the old weather stripping by hand or with the putty blade.

After the sash has been cleared and clean, you can put in the parting stops. These are long pieces that split the sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, but you can also replace them with scrap wood.

After removing the stopper and trimming it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth out the compound using your putty knife, and then let it dry for at least a day. When the putty is fully cured it is possible to apply a topcoat of acrylic latex. This will help protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that supports window sashes is prone to wearing out from age and use and the result could be a window or door that won't open or close easily. The good thing is that fixing and replacing this hardware is generally quite simple and inexpensive. If a sash isn't easy to operate you can try spraying some lubrication into the jamb channel and then open it to see if that fixes the problem. If the problem persists, it is most likely that the sash balance is off. It is necessary to remove the window sash in order to get access to this part of the hardware.

Ideally, window sashes must swing open and closed without effort, but this can be difficult when the weights are worn or if the sash's meeting rail isn't properly coated. This issue could be caused by a variety of factors that include a lack of maintenance and a mismatched weight rating.

If the hinge arms of a window are beginning to slide, this could cause the sash to slide and eventually strike the frame in the corner that's directly opposite the hinge arm (Photo 1). To address this problem, first ensure that the sash is firmly seated in the frame's opening and then remove it from the window. If the sash was screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).

Old windows, especially 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 easy repairs can turn these windows into smooth operation and save homeowners cash on energy costs.

To make these sash repairs it is 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 using a pencil (Photo 1). This will help you get the channel back on place correctly when you're finished. Take the sash off and then remove all hardware including the parting beads, cords, and chains that hold the sash in place. The nozzle shield of the heat gun and medium setting will soften any hardened glue. Remove the old sash, and put it in a bag labeled.

Sash Weights

Sash weights are able to be replaced to improve the performance of your window sash, and also reduce energy costs. Sash weights consist of iron or lead cylinders that are encased in a concealed cavity and connected by ropes to the movable window sash. These weights function as counterbalances and allow you to open and shut the window repair without having to use mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners and turned into scrap when they fail. Consequently you might need to search for replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve, so you will want to find a replacement that is suitable for the. You will also require a new piece of string, a length of sashcord and a few sashpulleys for tying the new weights to the cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs holding the parts together can be removed by a pin punch and hammer. The majority of these pegs have a large diameter on one side and a smaller one on the other, which is why it is essential to remove the smaller-diameter sides first. Later sashes utilized glue instead of pins. They can be separated by using a knife or a mallet.

Once the sash has been removed, you can take off the sash stops and access the weight pockets. This is usually done through tiny holes at the bottom of every jamb. This hole is then covered by an access panel made of wood which can be removed to let you view the inside of the frame.

Once you have the sash stopped and the access panel removed, you'll be able to remove the weight from the sash and replace it with the new. Be sure to weigh the sash first to ensure that the weights you have may not be the correct size. Once the new weight is in place then tie a string to it and then thread it through the pulley for the sash. Then, you can attach the string to your boxed frame. Leave a few inches at the top of the string for future adjustments.

Sash Cords

Most double glazed window repairs-hung windows of the past include a chain or cord attached to the weights which supports and keeps the sashes in balance in the jamb. Over time, these chains can get damaged and render it impossible to raise the windows. A new sash cord will give you the ability to move the sash up and down 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. These are usually screwed or nailed into and require removal. You could use a hammer or chisel to remove them however, it is always best to lay down dust sheets prior to starting any work.

After the access panel has been removed, you can begin working on the sash. Utilize a flat bar, or chisel to pull the tiny parting beads out of their grooves. They are typically wedged into or nailed in, but they can be removed, so it's worth taking your time here. If the sash remains in place, pry the mortise and tenon joints free with a screwdriver or hammer and then remove each wood peg. You should now be able to move the sash around freely, though it may require oil if it feels stiff.

With the sash open Take a measurement of the sash chain to reach from the pulley in the top of the jamb to the sash slot at the bottom. Cut the chain or cord and attach it as described in the previous step. You can either employ a hammer, screws or nails, however nails are less likely to cause damage.

Unless you've bought a kit that replaces the old counterbalance system it is recommended to keep the original balancing weights in place. It's not expensive to buy them from architectural salvage stores and they'll be simple to install once you have the sash unlocked. Based on the size of your window, one or two sash weights could be needed to keep the sash in an open position.