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Window Sash Repairs

Regularly inspect the window repair sashes for signs of damage, mildew and mold. You can reduce the cost of repairs in the future by catching the issues early on, before they become out of control.

The sash is the internal framing that can be moved vertically up or down in windows that are open. This article will show you how to do simple sash repairs.

Weather Stripping

Wood upvc window repairs sashes provide a classic aesthetic to your home and, when properly maintained, they will last for a long time. They can, however, become damaged or degraded with time, due to exposure and normal wear and tear. Sash repair experts can restore windows to their original state and keep them looking great much longer than replacement windows.

The first step for 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 could cause drafts and other problems. Start by identifying the brand of window and the manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Then, remove the sash and mark its height and Window Repair width to find replacement weather stripping to match.

Next, remove the sash and place it on a work surface so you can access all four sides. If your sash has a double-hung, you'll need to remove the weights and the ropes that go with them that should have fallen into the intended pocket in the jamb liner. After removing the sash using the utility knife, take off the weather stripping from the old sash by hand or using a putty knife.

When the sash is clean it is time to replace the parting stops. These are long pieces wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can substitute a scrap piece of wood.

After removing the stoppers for parting and cutting them to the desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth out the compound using your putty knife and let it dry for at least a day. When it's completely dried and dried, apply a second coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports the windows sashes can become worn out over time and use. This can result in the window or door that is difficult to open or close. It's important to know that replacing and repair of this hardware is typically easy and affordable. If you're having difficulty opening a sash, spray some grease into the jamb channel. Then slide the sash open to see if this resolves the issue. If not, the issue is most likely due to the sash balance and you'll need to take out the sash to gain access to the hardware.

Window sashes should open and close with little effort. However, this can be difficult if the weights are worn out or the sash connecting rail isn't properly glazed. This issue can be caused by a number of things, such as insufficient maintenance or an incorrect weight rating for a particular sash.

If the hinge arms on a window begin to sag 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 is firmly seated in the frame's opening and then take it out of the window. If the sash has been screwed onto the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Due to hinges that are sagging, and a general lack of energy efficiency, older windows, especially those in older homes, may be difficult to open and close. In many cases just a few easy fixes can help these windows function smoothly again and save homeowners money on energy bills.

In order to make these sash repairs it is essential to have all the tools needed before you begin. Mark the location of the hinge channel on the frame (Photo 1) using a pencil. This will assist you in getting the channel back into position correctly after you've completed. Remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that secure it. Heat gun with nozzle shield and a medium setting will soften any hardened putty. Take off the old sash and put it in a bag with a label.

Sash Weights

If your window sash repairs are to replace a broken cord or to keep the windows functional by replacing worn out sash weights will improve sash operation and cut down on the energy cost. Sash weights are heavy, lead or iron cylinders that are enclosed in a hidden cavity and attached to the movable window sash using a rope. These weights function as counterbalances, which allows you to open and close the window without the need for mechanical or electrical devices. The sash weights are often ignored or discarded by homeowners and turned into scrap when they fail; therefore you may have to locate replacements.

It's not easy to retrieve an sash-weight which has fallen from the cavity, so you'll want to find one that is suitable for the. You will also require a new piece of string, a length of sashcord and a few sashpulleys to secure the new weights to the cord.

Mortise and Tenon joints are used to join windows made of older wood. The wood pegs that hold the components together can be removed using pin punches and hammers. The majority of them have large diameters on one side and a smaller diameter on the other, so it is important to remove the smaller-diameter ones first. Sashes made later in the century used glue instead of pegs. They can be separated by cutting through the glue line using an instrument, and then tapping the mortised part loose with mallets.

After the sash is removed, you can remove the sash stop and access the weight pocket. This is typically done by drilling an opening at the bottom of every jamb. This hole is covered by an access panel made of wood that can be cut off to let you view the inside of the frame.

After you have the sash stopped and the access panel removed, you will be able to remove the weight from the sash and replace it with new. Weigh the sash first to ensure that the weights you've got may not be of the right size. Once the new weight is in place you can tie a string around it and thread it through the pulley for the sash. Then, attach the string to your boxed frame. Leave a few inches protruding at the top of the string to allow future adjustments.

Sash Cords

Most double-hung windows of the past come with a chain or cord attached to the weights that keeps the sashes balanced within the jamb. As time passes, these cords may break, making it impossible to raise the window. A new sash cable will restore the ability to move and lower the sash, and keep it in position when it is opened.

The first step in replacing cords for sash is to locate and remove the access panels in the jambs. They are typically screwed or nailed in and need to be removed. You might be able to use a hammer or chisel to remove them but it's best to lay down dust sheets before beginning any work.

After the access panel has been removed, you can start working 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 in, but they can be removed and it's worth your time. If the sash remains in place, pry out the mortise and tenon joints with a hammer and pin punch or screwdriver, then unhook the wood pegs on each piece. The sash should be able to move freely, however it might require some lubrication to feel less stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to extend from the pulley at the top of the jamb to the sash slot on the bottom. Cut the cord or chain and fix it as described in Step 6 above. You can use a hammer, nails, or screws. However, nails are less likely than screws to cause damage.

If you don't have a kit that replaces the old counterbalance system, it's recommended to keep the original balancing weights in place. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you've got the sash unlocked. Depending on the size and shape of your window, you might need to install one or two sashweights in order to keep it open.