Window Sash Repairs

Regularly inspect the window sashes for any damage, mildew and mold. By catching these problems early you can save money on future repairs.

The sash is an inside frame that can move vertically up and down in windows that are open. This article will demonstrate how to perform several simple sash repair.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also sturdy and can last many years provided they are properly maintained. However, they can become damaged or degraded in time due to exposure to elements and normal wear and wear and tear. Sash repair specialists can restore windows to their original condition and keep them looking great 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 can cause drafts if worn out or loose. To fix it, start by determining the brand of your window and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off, and mark its size and width so that you can purchase new weather stripping that is compatible with the original.

Then, remove the sash and set it on a table so you can access all four sides. If your sash has a double glazed window repairs-hung, you'll also need to remove the weights as well as the ropes that go with them, which should have fallen into the pocket of the jamb liner. After you have removed the sash using the utility knife, remove the weather stripping from the old sash by hand or using the putty blade.

When the sash is clean, you can replace the parting stops. These are long pieces of wood that divide the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. However, you could substitute with a scrap piece of wood.

After removing the parting stops and trimming them to the desired length, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty knife and let it dry for a minimum of a day. When it's completely dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports windows sashes can become worn out with time and use. This can result in a door or a window that is difficult to open or close. It's important to know that replacing and fixing this hardware is usually easy and affordable. If you are having trouble opening the sash, spray some grease into the jamb channel. Then, slide the sash up and open to see if this resolves the issue. If the issue continues it's likely the sash balance. It is necessary remove the window sash in order to access the hardware.

Window sashes need to open and close with little effort. However, this may be a challenge if the weights have been worn out or the sash-to-rail meeting rail is not properly glazed. This issue could be caused by a number of reasons, such as lack of maintenance or by the wrong weight rating for a particular sash.

If the hinge arms of a window repair begin to slide, this could cause the sash to slide and eventually land on the frame in the corner in the opposite direction of the hinge arm (Photo 1). To fix the problem ensure that the sash is centered in the frame's opening and remove it. If the sash is secured to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Due to hinges that are sagging, and a general deficiency in energy efficiency, old windows especially in older homes, may be difficult to open or close. In many cases, a few simple repairs can turn these windows into smooth operators for the first time and save the homeowner money on energy costs.

To make these repairs to sash it is important to have all the tools needed before you begin. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will help you to position the channel in the right place when you are finished. Take the sash off and take out all the hardware, including the beads for parting, cords, and chains that hold the sash in place. Soften any hardened putty with the help of a heat gun set at medium and fitted with an nozzle shield. Remove the old sash, and put it in a bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep your windows functioning, replacing worn out weights on sash can improve sash operation and help reduce energy consumption. Sash weights are composed of heavy iron or lead cylindricals that are contained in a concealed cavity and attached by a rope to the movable window sash. These weights function as counterbalances, which allows you to open and close the upvc window repair without the need for mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners, and are turned into scrap when they fail. Consequently you may have to search for replacements.

A weight from a sash that fell out of the cavity is difficult to get back, so you will want to locate a new one that fits correctly. You will also need an additional piece of string, a length sash cord, and a few sash pulleys to tie the new sash weights onto the sash cord.

Mortise and Tenon joints are used to join old wood windows. The wood pegs holding the parts together can be removed by pin punches and hammers. Most of these pegs have an enormous diameter on one side and a smaller diameter on the other, so it is essential to remove the small-diameter sides first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting the glue line with a knife, then tapping the mortised area loose using a mallet.

After the sash is removed and removed, you can take off the sash stop and gain access to the weight pocket. This is usually done via a small hole at the bottom of every jamb. The hole is surrounded by an unfinished wooden panel that can be removed to reveal the inner workings.

After the sash has been stopped and the access panel removed, you'll be able to take off the weight from the sash and replace it with the new. First, weigh the sash, as the weights you have might not be the right size. Once the new weight has been installed, you can thread a string through the sash pulling mechanism. Then nail the string to the frame, leaving a few inches of string sticking out from the head for future adjustment.

Sash Cords

Most old double-hung windows include a chain or cord attached to the weights which helps keep the sashes balanced in the jamb. Over time, these cords could break, making it impossible to raise the window. A new sash cable will restore the ability to raise and lower the sash and ensure it stays in place when opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are usually installed by screws or nails and will require to be removed or repositioned. It may be possible to remove them using an axe or hammer, however, it is best to lay out dust sheets before starting 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 from their grooves. They are typically wedged into or nailed in, but they can be removed and it's worth your time here. If the sash is still in place, break the mortise-and tenon joints with a screwdriver or hammer, then remove each wood peg. The sash should be able to move around freely now, however it may need some lubrication to make it feel less stiff.

Take a measurement of the length of sash chain/sash cord needed to reach the sash slot at the bottom, and the pulley at the top of the jamb. Cut the cord or chain and fix it as described in the previous step. You can use a hammer, nails, or screws. However nails are less likely to cause damage.

It is recommended to keep the original weights in place unless you have purchased a kit that will replace the counterbalance. They are not expensive and easy to install if you purchase them at architectural salvage stores. Based on the dimensions and shape of your window you might need to install one or two sashweights to keep the sash open.