Window Sash Repairs

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

The sash is an interior framing that moves vertically up or down in windows that are open. This article will teach you how to do simple repairs to sash.

Weather Stripping

Wooden window doctor sashes are a great way to add a classic look to your home. They are also durable and will last for many years when they are maintained properly. They may, however, get damaged or deteriorated over time, due to exposure and normal wear. Sash repair specialists can restore windows back to their original condition and keep them looking great longer than replacement windows.

Weather stripping is the primary aspect to consider when you are repairing sash windows. It's on both the frame and the sash. If it's worn or loose, out, it can cause drafts, as well as other issues. Begin by identifying the window brand and the glass manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Then, take the sash off and mark its width and height, so you can find new weather stripping that matches.

Next, remove the sash and set it on a surface to allow access to all four sides. If the sash is double glazing repair-hung, you must remove the ropes and weights that should fall into the pocket in the jamb lining. Once you've taken the sash off, use a utility knife to cut off the weather stripping from the corners, and then remove it manually or with a putty knife.

Once the sash has been cleared, you can install the stoppers that separate the two sashes. These are long pieces that separate the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you could also use scrap wood.

After removing the stopper and cutting it to length after which, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife and let it dry for a minimum of a day. When it's completely dried, apply a top coat of acrylic latex paint. This will help protect the putty, and give your sash a modern look.

Sash Hardware

The hardware that supports window sashes prone to wearing out from the wear and Window Doctor tear of use, and the result can be a window replacement or door that can't be opened or closed easily. It's important to know that replacing and fixing this hardware is usually straightforward and cost-effective. If a sash is difficult to operate, try spraying some grease into the jamb channel and then open it to see if that resolves the issue. If the issue persists it's likely to be due to the sash's balance. It is necessary remove the window sash in order to reach this hardware.

The ideal situation is for window sashes to swing open and closed without effort, however, this can be an issue when the weights are worn or if the sash that joins rail isn't properly glazed. This problem can be due to various reasons that include an absence of maintenance or a mismatched weight rating.

If the hinges on windows begin to slide, this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame opening and then remove it. If the sash is fixed to 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, old windows, especially those in older homes, may be difficult to open or close. Many times, a few simple fixes can help these windows function smoothly once more and help homeowners save money on energy costs.

It is important to have the tools needed before you start. Begin by marking the position of the hinge channel on the frame with a pencil (Photo 1). This will make it easier to position the channel in the correct position after you've finished. Remove the sash and remove the hardware including the parting beads (Photo 2) and the chains or cords which hold it in place. Soften any putty that has been hardened with the help of a heat gun set at medium and equipped with a shield for the nozzle. Remove the old sash and keep it in a labeled bag.

Sash Weights

If your window sash repairs are to replace a damaged cord or just to ensure that the windows are functional, replacing worn out sash weights will improve sash operation and cut down on energy costs. Sash weights are composed of iron or lead cylinders that are enclosed in a hidden cavity and attached by ropes to the movable window sash. These weights function as counterbalances and allow you to open and shut the window without requiring mechanical or electrical devices. If they fail, sashweights are often neglected or not used by homeowners.

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

Older wood windows are joined using mortise and tenon joints. Pin punch and hammer can be used to take out the wood pegs holding the components together. Most of these pegs have a large diameter on one side and a smaller diameter on the other, so it is essential to remove the smaller-diameter ones first. Sashes that were made later in the century used glue instead of pegs. They can be separated by cutting through the glue line with an instrument, and then tapping the mortised part loose with a mallet.

After the sash is 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. The hole is then covered with a wooden panel that can be removed to reveal the inside workings.

After you have the sash stopped and the access panel removed, you will be able to take off the old sash weight and replace it with new. Be sure to weigh the sash before you do this, as the weights that were previously used may be a different size than what you require. After the new weight is installed, thread a string through the sash pulling mechanism. Then, nail the string to the boxed frame. Leave a few inches protruding at the end of the string for future adjustments.

Sash Cords

Most double-hung windows of the past include a chain or cord connected to the weights that helps keep the sashes in balance in the jamb. As time passes, these cords may become damaged and make it impossible to raise the windows. A new sash cable will give you the ability to raise and lower the sash, and keep it in position when opened.

The first step to replace cords for sash is to locate and take out the access panels located in the jambs. These are usually screwed or nailed into and require removal. It is possible to take them out using a hammer or chisel, however, it is best to lay out dust sheets prior to starting any work.

After you have removed the access panel, you are able to begin to work on the sash. Make the small parting beads (also known as "tie rails") out of their grooves with the chisel or flat bar. It is important to take your time because they are usually placed in a wedge or nail. If the sash is in place, remove the mortise and tenon joints with the help of a hammer and pin or screwdriver, then unhook the wood pegs on the components. You should be able to move the sash around without difficulty, though it may require lubrication if it feels stiff.

With the sash open With the sash in an open position, measure the sash chain or cord to reach from the pulley on the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then secure it as in Step 6 above. You can do this with 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 old counterbalance. It's cheap to purchase them from a salvage store and they'll be easy to install once you have the sash opened. Depending on the size and shape of your window, you might need to install one or two sashweights to keep the sash open.