Window Sash Repairs

Check the windows sashes regularly for signs of damage, mildew and mold. By catching these problems early you can save money on repairs in the future.

The sash is an interior frame that is able to move up and down vertically in windows that open. This article will show you how to perform several simple sash repair.

Weather Stripping

Wood window sashes give an elegant look to your home and, when properly maintained, they will last for many years. However, window sash repairs they can be damaged or degraded in time because of exposure to the elements and normal wear and tear. Sash repair specialists can restore windows to their original condition and maintain their beauty much longer than replacement windows.

The first step to repair sash windows is to address weather stripping, which is found on both the sash as well as the frame. If it's loose or worn out, it can cause drafts and other issues. Begin by identifying the brand of window and the glass manufacturer's date (etched on the glass's corner or on the aluminum spacers between panes). Take the sash off, and mark its width and height so you can find a replacement weather stripping that matches.

Then, you can remove the sash from the holder and place it on a flat surface to allow you to reach all four sides. If your sash has been double-hung, remove the weights with their ropes that should have fallen into the pocket inside the jamb lining. Once you've taken the sash off and the weights, use a utility knife to remove the old weather stripping at the corners, then remove it by hand or using a putty knife.

After the sash has been cleaned, you can replace the parting stops. These are long pieces wood that separate the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can also use a scrap piece of wood.

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth out the compound using your putty knife, and then let it dry for at least a day. After it has fully dried, apply a top coat of acrylic latex paint. This will protect the putty, and give your sash an updated look.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear from the wear and tear of use and the result could be a window or door that can't be opened or closed easily. It's good to know that replacing or repair of this hardware is typically easy and affordable. If a sash isn't easy to operate, try spraying some grease into the jamb channel then open it to see if it fixes the problem. If not, the issue is likely with the sash balance and you'll need to remove the sash to gain access to this hardware.

Ideally, window sashes should swing open and closed with minimal effort but this can be a difficult task when the weights wear out or if the sash that joins rail isn't properly glazed. This problem could be caused by a variety of factors such as a lack of maintenance and an unmatched weight rating.

If the hinge arms on a upvc window repairs near me begin to sag this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To correct the issue, make sure that the sash is in the proper position within the frame's opening and 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).

Windows that are old, especially in older homes, may be difficult to open and close, due to sagging hinges and window sash repairs general lack of energy efficiency. In most instances, a few minor repairs can turn these windows into smooth operation again and save the homeowner cash on energy costs.

In order to make these sash repairs, it's important to have all the necessary tools lined up before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will assist you in getting the channel back on position correctly after you've completed. Then, remove the sash and remove the hardware including the beads that separate (Photo 2) and the cords or chains which hold it in place. Soften any putty that has been hardened with the help of a heat gun set at medium and fitted with a shield to block the nozzle. Remove the old sash and place it in a labelled bag.

Sash Weights

If your window sash repairs are to replace a damaged cord or just to ensure that the windows are functional by replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are hefty lead or iron cylinders that are enclosed in a concealed cavity and attached to the movable window sash using rope. These weights function as counterbalances and allow you to open and shut the window without requiring mechanical or electrical devices. If they fail, sashweights tend to be left unnoticed or disabled by homeowners.

It's difficult to retrieve an sash-weight which has fallen from the cavity, so you'll need to find one that fits properly. You will also require a fresh piece of string, a length sashcord and a few sashpulleys for tying the weights you are replacing to the cord.

Mortise and Tenon joints can be used to join older wood windows. The wood pegs that hold the components together can be removed with pin punches and hammers. The majority of these pegs are big on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Sashes made later in the century made use of glue instead of pegs. They can be separated by cutting the glue line with an instrument, and then tapping the mortised section loose using mallets.

After the sash is removed, you can remove the stopper on the sash and get access to the weight pocket. Usually it is done by drilling an opening in the bottom of each jamb. The hole is then covered with an unfinished wooden panel that can be removed to reveal the inner workings.

When the sash has been shut off and the access panel is removed, you can take off the weight you used and replace it. Be sure to weigh the sash prior to you do this, since the weights that were previously used may be different in size from what you require. After the new weight has been installed, 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 adjustments.

Sash Cords

Most old double-hung windows come with a chain or cord connected to the weights that supports and keeps the sashes in balance within the jamb. Over time, these chains may become damaged and make it impossible to raise the windows. A new sash cable will restore the ability to raise and lower the sash and keep it in place when it is 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 relocated. 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 you have removed the access panel, you are able to begin to work on the sash. Use a flat bar or chisel to pull the small parting beads out of their grooves. It is important to take your time, as these are often wedged or nailed in place. If the sash remains in place, pull the mortise-and-tenon joints out using a hammer or screwdriver and then take out each wood peg. It should now be possible to move the sash back and forth freely, though it may require oiling if it seems stiff.

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

Unless you've bought an item that replaces the old counterbalance system it's best to keep the original weights for balancing in place. They're not costly and simple to install if purchased them from salvage shops for architectural use. Based on the size and shape of your window, you may need to use one or two sashweights to keep it open.