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Window Sash Repairs

Window sashes must be checked regularly for mold, mildew and other damage. You can avoid the cost of repairs in the future by catching the issues in the early stages before they become out of control.

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

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also durable and last for a long time if they are properly maintained. They may, however, get damaged or deteriorated over time due to exposure or normal wear. Sash doors repair specialists can restore windows back to their original condition and maintain their appearance much longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. If it's damaged or worn out, it could cause drafts and other issues. Begin by identifying the brand of window and the date of manufacture for the glass (etched on the corner of the glass, or the aluminum spacers between panes). Take the sash off and mark its width and height so that you can purchase replacement weather stripping that matches.

Then, remove the sash and place it on a surface so you can access all four sides. If your sash has been double glazed repair-hung, you must remove the weights with their ropes that should fall into the pocket inside the jamb lining. After you've removed the sash using a utility knife, you can use it to cut off the old weather stripping at the corners, then remove it manually or using a putty blade.

Once the sash has been cleared, you can install parting stops. They are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. However, you can also use for a scrap piece of lumber.

After removing the parting stops and trimming them to the desired length then apply a thin layer of glazing compound over the bottom of the sash. Smooth it out using your putty knife, then let it dry for at least a few days. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This will help protect the putty, and give your sash an updated look.

Sash Hardware

The hardware that holds the window sashes can wear out over time and use. This could lead to a door or a window that is difficult to open or close. The good news is that repairing and replacing this hardware is usually relatively easy and affordable. If a sash is difficult to operate, try spraying some oil into the jamb channel and then open it to see if this resolves the issue. If not, the issue is most likely due to the balance of the sash and you'll need to remove the sash to gain access to this 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 connecting rail isn't properly coated. This can be due to various reasons that include an absence of maintenance or a mismatched weight rating.

If the hinge arms of a window begin to sag, this can cause the sash's to drag and eventually land on the frame in the corner opposite the hinge arm (Photo 1). To fix this problem, first ensure that the sash is squarely inserted into the opening of the frame and then remove it from the window. If the sash is screwed to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close, due to sagging hinges and an overall lack of energy efficiency. In many instances, a few easy repairs can transform these windows into smooth operation for the first time and save the homeowner cash on energy costs.

To make these doors repairs to sash it is essential to have all of the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using pencil. This will assist you in getting the channel back into place correctly when you're finished. Take the sash off, and remove all the hardware including the parting beads, cords, and chains that hold the sash in place. A hot gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash, and put it in a bag labeled.

Sash Weights

Whether your window sash repairs (here) are to replace a broken cord or simply to ensure that the windows are functional, replacing worn out sash weights will improve sash operation and help reduce energy consumption. Sash weights are hefty lead or iron cylinders that are enclosed in a hidden cavity and linked to the moveable sash by a rope. They provide counterbalance, allowing the window to be closed and opened without using mechanical or electrical devices. If they fail, sashweights are usually neglected or not used by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to locate a new one that is suitable for the. You will also require a fresh piece of string, a length sashcord and a few sashpulleys to secure the new weights to the cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed using a pin punch and hammer. Most of them have large diameters 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 utilized glue instead of pegs. They can be separated by cutting through the glue line using a knife, then tapping the mortised area loose using mallets.

After the sash is released, you can remove the sash stops and access the pockets for weights. This is typically done by drilling tiny holes at the bottom of every jamb. The hole is then covered with a wooden panel that can be removed to reveal the interior workings.

When the sash has been shut off and the access panel is removed, you can remove the weight that was previously installed and replace it. Be sure to weigh the sash prior to you begin, as the weights that were previously used may be different sizes than what is needed. Once the new weight is installed, you can thread an appropriate length of string through the pulling mechanism. Then nail the string to the frame, but only leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

In the majority of old double glazing repairers-hung windows repair the chain or cord is attached to the weights. This keeps the sashes within the jamb in a balanced manner. Over time, these cords could break, making it difficult to raise the window. A new sash cord will restore the ability to move the sash upwards and downwards 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 in the jambs. They are typically fixed or screwed in and will need to be removed or repositioned. It may be possible to take them out using the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.

After removing the access panel, you are able to begin working on the sash. Take the narrow beads (also called "tie rails") out of their grooves with flat bar or chisel. They are usually wedged in or nailed but can be removed which is why it's worth your time. If the sash remains in place, pry the mortise-and-tenon joints out using a hammer or screwdriver and then take out each wood peg. You should now be able to move the sash back and forth without difficulty, though it might require lubrication if it feels stiff.

Take a measurement of the length of sash chain/sash cord needed to reach the sash slot at the bottom from the pulley on the top of the jamb. Cut the cord or chain and then secure it in Step 6 above. You can do this with a hammer, nails, or screws. However, nails are less likely to cause damage.

Unless you've bought a kit that replaces the old counterbalance system, it's best to keep the original weights for balancing in place. It's cheap to purchase these from salvage shops for architectural purposes and they'll be easy to install once you have the sash open. Depending on the dimensions and shape of your window you may need to use one or two sashweights to keep the sash open.