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There Are Myths And Facts Behind Window Sash Repairs
Window Sash Repairs

Make sure to check the sashes of your windows regularly for damage, mildew, and mold. If you catch these issues early you will save money on future repairs.

The sash is an interior framing that can be moved vertically either up or down in windows that open. This article will teach you how to carry out a few simple sash repair.

Weather Stripping

Wooden window sashes can give an elegant look to your home. They are also durable and will last for many years provided they are properly maintained. They may, however, be damaged or degraded over time, due to exposure and normal wear and tear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking great for longer than replacement windows.

Weather stripping is the primary aspect to consider when you are repairing windows with sash. It is located on both the frame and sash. It can cause drafts if it's worn out or loose. To fix it, begin by finding your window brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its height and width to find new weather stripping that matches.

Then, remove the sash and set it on a work surface to allow access to all four sides. If the sash is double-hung, you'll also need to remove the weights as well as their ropes that should have fallen into the pocket that was intended to be in the jamb liner. After you have removed the sash using the utility knife, take off the weather stripping from the old sash by hand or using a putty knife.

After the sash has been cleared it is time to replace the parting stops. These are long pieces that separate the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. But, you can also use for a scrap piece of lumber.

After removing the parting stops and cutting them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound using your putty knife, and let it dry at least a day. After the putty has completely cured, you can apply a topcoat of acrylic. This will protect the putty and give your sash a modern look.

Sash Hardware

The hardware that supports window sashes prone to wearing out from time and usage and the result could be a window or door that isn't able to open or close easily. It's a good idea to know that replacing or fixing this hardware is usually easy and affordable. If you are having trouble opening a sash spray some grease into the jamb channel. Then slide the sash out to see if this resolves the issue. If the issue continues it's likely to be due to the sash's balance. You'll need to remove the window sash in order to access the hardware.

Ideally, window sashes should swing open and closed with very little effort, but this can be an issue when the weights wear out or if the sash that joins rail isn't properly coated. This issue can be caused by a variety of reasons, such as lack of maintenance or by a mismatched weight rating for a particular sash.

If the hinge arms 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 remedy the issue ensure that the sash is aligned in the frame opening, and then remove it. If the sash is screwed onto the hinge arm, remove the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Due to hinges that are sagging, and a general lack of energy efficiency, windows that are old particularly those in older homes, may be difficult to open or close. In many cases it is a matter of making a few minor adjustments that can allow these windows to operate smoothly and save homeowners money on energy bills.

To make these repairs to the sash, it's important to have all the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) with a pencil. This will make it easier to put the channel in the proper position after you've finished. Remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the chains or cords which hold it in place. The nozzle shield of the heat gun and a medium setting can soften any hardened putty. Remove the old sash and keep it in a bag with a label.

Sash Weights

If your window 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 the energy cost. Sash weights are hefty lead or iron cylinders enclosed inside a hidden compartment and attached to the movable sash by a rope. They function as counterbalances, which allows you to open and shut the window without having to use mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners and turned into scrap when they fail; therefore you might need to locate replacements.


A weight from a sash that fell out of the cavity is difficult to retrieve, so you will want to find a replacement that fits properly. You will also need an additional piece of string, a length of sash cord and some sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs holding the components together can be removed using the use of a pin punch and hammer. The majority of them have a large diameter on one side and a smaller diameter on the other side, so it is essential to remove the smaller-diameter ones first. Later sashes made use of glue instead of pins. They can be cut by using a knife or a mallet.

After the sash is released, you can remove sash stops and gain access to the weight pockets. This is typically done by drilling an opening at the bottom of every jamb. This hole is covered by an access panel of wood which can be removed so that you can observe the inner workings of the frame.

After you have the sash stopped and the access panel removed, you will be able to take off the weight of the old sash and replace it with new. Weigh the sash first, as the weights you have may not be the right size. Once window repair near me has been installed, you can thread an appropriate length of string through the pulling mechanism. Then, attach the string to your boxed frame. Leave a few inches of space at the top of the string to allow future adjustments.

Sash Cords

In most old double-hung window the chain or cord is affixed to the weights. This keeps the sashes in the jamb balanced. Over time, these cords may become damaged and make it difficult to raise the windows. A new sash cord can restore the ability to move the sash upwards and downwards and will keep it in its position when it is opened.

The first step to replace sash cords is to find and remove the access panels in the jambs. They are typically nailed or screwed in and will need to be removed or relocated. It may be possible to remove them using an axe or hammer, however, it is best to lay out dust sheets before beginning any work.

After removing the access panel, you can begin to work on the sash. Take the narrow beads (also known as "tie rails") out of their grooves using the chisel or flat bar. These are often wedged in or nailed but can be removed, so it's worth taking your time here. If the sash is still in place, pry the mortise-and tenon joints using a hammer or screwdriver and then take out each wood peg. You should be able to move the sash back and forth without difficulty, though it may require oil if it feels stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to reach from the pulley at the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then fix it as described in the previous step. You can do this with a hammer, nails, or screws. However nails are less likely than screws to cause damage.

Unless you've bought an item that replaces the counterbalance system that was in place before, it's best to keep the original weights for balancing in place. It's cheap to purchase these from salvage shops for architectural purposes and they'll be easy to install once you've got the sash unlocked. Depending on the size of your window one or two sashweights could be needed to keep it open.