Window Sash Repairs

Window sashes must be checked regularly for mold, mildew and other damage. By catching problems before they become serious you will save money on future repairs.

The sash is an interior frame that moves upwards and downwards in windows that open. This article will show you how to perform simple sash repairs.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. If properly maintained, they can last for many years. However, they can become damaged or degraded with time due to exposure or normal wear. Thankfully, window repairs sash repair experts can bring your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step for sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. If it's worn or loose, out, it can lead to drafts and other issues. To fix it, begin by determining your window's 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, remove the sash and mark its height and width to find replacement weather stripping to match.

Then, you can remove the sash from its holder and place it on flat surfaces to allow you to see all four sides. If your sash is double-hung, you'll need to take off the weights and the ropes that go with them that should have fallen into the pocket that was intended to be in 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.

Once the sash is clear and clean, you can put in the parting stops. These are long pieces that divide the sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. However, you can substitute for a scrap piece of lumber.

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

Sash Hardware

The hardware that supports window sashes prone to wearing out from age and use, and the result can be a door or window that isn't able to open or close easily. It's a good idea to know that replacing or fixing this hardware is usually simple and inexpensive. If a sash isn't easy to operate you can try spraying some lubrication into the jamb channel, and then slide it open to see if that solves the issue. If the issue persists, it is most likely to be due to the sash's balance. It is necessary remove the window sash in order to get access to this part of the hardware.

Ideally, window sashes must move open and shut with minimal effort however, this can be a difficult task when the weights wear out or if the sash's meeting rail isn't properly glazed. 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's to drag and eventually hit the frame in the corner opposite the hinge arm (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the opening of the frame and then remove it from the window. If the sash is secured to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Windows that are old, especially in older homes, can be difficult to open and close due to hinges that are sagging and general inefficiency. In most instances, a few minor repairs can transform these windows into smooth operators and save homeowners cash on energy costs.

In order to make these repairs to sash it is important to have all the necessary tools in place before you begin. Mark the location of the hinge channel on the frame (Photo 1) using pencil. This will assist you in getting the channel back in place correctly when you're finished. Remove the sash and then remove all hardware, including the beads for parting, cords, and chains that hold the sash in place. The nozzle shield of the heat gun and medium setting will soften any putty that has been hardened. Take off the old sash and put it in a bag with a label.

Sash Weights

No matter if your window sash repair needs are to replace a damaged cord or to ensure that the windows are functional, replacing worn out sash weights will improve sash operation and help reduce energy costs. Sash weights are composed of heavy iron or lead cylinders that are enclosed inside a concealed cavity, and connected by a rope to the movable upvc window repairs near me sash. They function as counterbalances, allowing you to open and shut the window without requiring mechanical or electrical devices. When they fail, sashweights are often neglected or not used by homeowners.

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

Older wood windows are joined using mortise and tenon joints. The wood pegs that keep the parts together can be removed with pin punches and hammers. Most of them have a large diameter on one side and a smaller one on the other, which is why it is essential to remove the small-diameter sides first. Sashes that were 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 with a mallet.

Once the sash has been released, you can remove sash stops and gain access to the weight pockets. Usually it is done by drilling an opening in the bottom of each jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the inside workings.

Once the sash is stopped and the access panel is removed, you can take off the old weight and replace it. First, weigh the sash because the weights you have may not be of the right size. After the new weight has been installed, you can thread the string through the sash pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches protruding at the end of the string to allow future adjustments.

Sash Cords

In the majority of old double-hung windows, a chain or cord is attached to the weights. This helps keep the sashes within the jamb in a balanced manner. As time passes, these cords may break, making it difficult to raise the window. A new sash cord will restore the ability to move the sash up and down and hold it in position when it is opened.

The first step in replacing sash cords is to locate and remove the access panels in the jambs. They are usually nailed or screwed in and must be removed or repositioned. It is possible to remove them with an axe or hammer, but it is always better to lay out dust sheets before beginning any work.

After removing the access panel, you are able to begin to work on the sash. Utilize a flat bar, or chisel to pry the narrow parting beads out of their grooves. They are usually wedged in or nailed in, but they can be removed and it's worth your time. If the sash is in place, remove the mortise and tenon joints with the help of a hammer and pin or screwdriver, then remove the wood pegs attached to the components. The sash should be able move freely now, but it might require some lubrication to make it feel less stiff.

Determine the length of sash chain/sash cord required to reach the sash slot on the bottom of the pulley located at the top of the jamb. Cut the chain or cord and secure it as in the previous step. You can either employ a hammer, nail or screws, but nails are less likely to cause damage.

Unless you've bought an upgrade kit to replace the counterbalance system that was in place before, it is recommended to keep the original balancing weights in place. They're not expensive and simple to install if you buy them from salvage shops for architectural use. Depending on the dimensions and shape of your window you may need to use one or two sashweights to keep it open.