Window Sash Repairs

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

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

Weather Stripping

Wood window sashes give the classic look to your home. When properly maintained, they can last for years. However, they may become damaged or degrade as time passes due to exposure to the elements and normal wear and tear. Sash repair experts can restore windows to their original condition and maintain their beauty much longer than replacement windows.

The first step in 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, as well as other issues. Start by identifying the window brand and the manufacturer's date (etched on the glass's corners, or the aluminum spacers between panes). Then, remove the sash and mark its width and height, so you can find replacement weather stripping to match.

Then, remove the sash and set it on a work surface so that you can reach all four sides. If your sash has been double glazing repairs Southend-hung, take out the weights with their ropes that should fall into the pocket in the jamb lining. Once you've taken the sash off, use a utility knife to cut away the weather stripping from the corners, then take it off by hand or using a putty blade.

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

After removing the parting stop and cutting it to length and then apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty knife, and let it dry at least one day. After the putty has completely cure and dried, you can apply an acrylic latex topcoat. This will protect the putty, and give your sash a modern appearance.

Sash Hardware

The hardware that holds window sashes is susceptible to wear and tear due to the wear and tear of use and the result could be a window or door that isn't able to open or close easily. It's important to know that replacing or repair of this hardware is typically simple and inexpensive. If you're having trouble opening a sash spray some lubricant into the jamb channel. Then slide the sash open to see if it resolves the issue. If the problem persists, it is most likely the sash balance. You will need remove the window sash to get access to this part of the hardware.

Sashes for windows should be able 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 connecting rail isn't coated. This issue could be caused by various reasons, including an absence of maintenance or a mismatched weight rating.

If the hinges on windows begin to slide, this can cause the sash drag and then hit the frame in the opposite corner (Photo 1). To resolve this problem, first ensure that the sash is squarely inserted into the opening of the frame and then take it out of the window. If the sash is fixed to the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, you can 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 houses, could be difficult to open and close. Many times it is a matter of making a few minor adjustments that can help these windows function smoothly once more and help homeowners save money on energy costs.

It is essential to have the tools needed before you begin. Begin by marking the position of the hinge channel on the frame with pencil (Photo 1). This will help you get the channel back in position correctly after you've completed. Take the sash off and take out all the hardware, including the beads for parting cords, chains, and cords that help to hold the sash. A hot gun with nozzle shield and a medium setting will soften any hardened putty. Remove the old sash, and put it in a labelled bag.

Sash Weights

Sash weights can be changed to enhance the efficiency of your window sash, and also reduce energy costs. Sash weights are composed of heavy iron or lead cylinders that are encased in a hidden cavity and are connected via ropes to the moveable window sash. These weights act as counterbalances, which allows you to open and shut the window without the need for mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners and then turned into scrap when they break; therefore you might need to find replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to find a new one that fits correctly. You will also need an additional piece of string, a length of the sash cord, as well as some sash pulleys that will tie the new sash weights the sash cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs that hold the parts together can be removed by the use of a pin punch and hammer. Most of them have a large diameter on one side and a smaller diameter on the other side, so it is important to remove the small-diameter sides first. Later sashes made use of glue instead of pins. They can be separated by using a knife or mallet.

Once the sash has been released, you can remove stops on the sash and get access to the weight pockets. This is usually done via an opening at the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inside workings.

After the sash has been stopped and the access panel has been removed, you can take off the weight that was previously installed and replace it. Be sure to weigh the sash before you do this, as the weights that were previously used may be different sizes than what you require. After the new weight has been installed, run the string through the sash pulling mechanism. Then attach the string to the frame, but leave a few inches of string hanging from the head for future adjustment.

Sash Cords

Most double glazing Islington-hung windows of the past include a chain or cord attached to the weights that keeps the sashes balanced in the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash up and down and keep it in place when it is opened.

The first step in replacing cords for sash is to locate and remove the access panels within the jambs. They are usually attached by nails or screws and need to be removed. You may be able to use a hammer or chisel for removing them, but it's always better to lay down dust sheets before commencing any work.

After removing the access panel, you can begin working on the sash. Utilize a flat bar or chisel to pry the narrow partsing beads out of their grooves. It is important to take your time, as these are often placed in a wedge or nail. If the sash is still in place, break the mortise and the tenon joints by using pin punch and hammer or screwdriver, and then take out the wood pegs on the components. You should now be able to move the sash around freely, though it may require oiling if it seems stiff.

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

If you haven't purchased an upgrade kit to replace the counterbalance system that was in place before, it's best to keep the original balancing weights in place. It's not too expensive to purchase them from architectural salvage stores and they will be easy to install once you've got the sash opened. Based on the dimensions and shape of your window you may need to use one or two sashweights in order to keep the sash open.