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Window Sash Repairs
Window sashes must be inspected regularly for signs of mold, mildew and other damage. You can save future repair costs by catching the issues in the early stages before they become out of control.
The sash is the internal framing that moves vertically up or down in windows that open. This article will show you how to do a variety of simple sash repair.
Weather Stripping
Wooden window sashes can add a classic look to your home. They are also sturdy and can last many years if they are properly maintained. They can, however, become damaged or degraded with time due to exposure or normal wear and tear. Thankfully, sash repair experts can restore your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows.
The first step for sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. It can cause drafts if worn or loose. To fix it, begin by determining the brand of your window and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off and mark its size and width so that you can get replacement weather stripping that matches.
Next, remove the sash and place it on a surface so that you can reach all four sides. If your sash was double-hung, remove the weights with their ropes that should be buried within the jamb lining. After removing the sash using the utility knife, take off the old weather stripping by hand or using the putty blade.
Once the sash is clear it is time to replace the parting stops. They are long pieces of wood that separate the two sashes. Pam prefers standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can also use for a scrap piece of lumber.
After removing the stopper for the parting and trimming it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth it out using your putty knife, and then let it dry for a minimum of a day. When it's completely dried, apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a fresh appearance.
Sash Hardware
The hardware that supports the windows sashes can become worn out over time and with use. This could lead to windows or doors that is difficult to open or close. It's a good idea to know that replacing or repairing this hardware is often simple and inexpensive. If you're having trouble opening a sash spray some oil into the jamb channel. Then, slide the sash out to see if it resolves the problem. If the issue continues it's most likely the sash balance. You will need to take off the window sash to get access to this part of the hardware.
Sashes for windows should be able to be able to open and close with minimal effort. However, this may be a challenge if the weights have been worn out or the sash-to rail connecting rail isn't glazed. This problem could be caused by many factors such as an absence of maintenance or a mismatched weight rating.
If the hinge arms of a window begin to slide, this could cause the sash to drag and eventually land on the frame in the corner that's in the opposite direction of the hinge arm (Photo 1). To resolve this problem, first ensure that the sash is squarely inserted into the frame's opening and then take it out of 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 (Photo 3).
Due to sagging hinges, and a general lack in energy efficiency, older windows especially in older homes, may be difficult to open and close. Many times just a few easy fixes can make these windows operate smoothly again and help homeowners save money on energy costs.
In order to make these repairs to the sash, it's important to have all of the necessary tools lined up before you begin. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will allow you to get the channel back in the correct position after you've finished. Remove the sash and then remove all hardware, including the parting beads, cords, and chains that help to hold the sash. Soften any putty that has been hardened with the help of a heat gun set at medium and fitted with an nozzle shield. Remove the old sash, and put it in a labeled bag.
Sash Weights
If your window sash repairs are to replace a damaged cord or to ensure that the windows are functional by replacing worn out weights for sash will improve its operation and reduce the energy cost. Sash weights are composed of iron or lead cylinders that are encased in a hidden cavity and connected by ropes to the moveable window sash. These weights provide counterbalance which allows the window to be opened and closed without the need for mechanical or electrical devices. When they fail, sashweights are usually ignored or disabled by homeowners.
It's difficult to retrieve a sash-weight that has fallen from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length 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 old wood windows. The wood pegs holding the components together can be removed by pin punches and hammers. Most of these pegs have large diameters on one side and a smaller one on the other, which is why it is important to remove the smaller-diameter ones first. Later sashes made use of glue instead of pins. They can be cut by using a knife or mallets.
After the sash is removed, you can take off the sash stops and gain access to the pockets for weights. This is usually done through an opening at the bottom of each jamb. This hole is covered by a wooden access panel that can be ripped off to let you view the inside of the frame.
Once Link Home Page is stopped and the access panel is removed, you are able to remove the old weight and replace it. Weigh the sash first because the weights you've got may not be the right size. After the new weight has been installed, thread a string through the sash pulling mechanism. Then attach the string to the frame, leaving a few inches of string sticking out from the head for future adjustments.
Sash Cords
Most double-hung windows of the past have a cord or chain attached to the weights that keeps the sashes in balance within the jamb. Over time, these chains can become damaged and make it difficult to raise windows. A new sash cord will give you the ability to move the sash upwards and downwards and keep it in place when opened.
The first step in replacing sash cords is to find and remove the access panels in the jambs. They are typically screwed or nailed in and must be removed. It is possible to take them out using a hammer or chisel, however, it is best to lay out dust sheets before starting any work.
After you have removed the access panel, you can begin working on the sash. Take the narrow beads (also called "tie rails") out of their grooves with the chisel or flat bar. They are typically wedged into or nailed but can be prised free, so it's worth taking your time. If the sash is still in place, pry the mortise-and-tenon joints out with a hammer or screwdriver and then remove each wood peg. You should now be able to move the sash around freely, although it will probably need some oiling if it seems stiff.
With the sash open With the sash in an open position, measure the sash chain or cord to reach from the pulley at the top of the jamb to the sash slot on the bottom. Cut the cord or chain, and then fix it using Step 6 above. You can either employ a hammer and nail or screws, but nails are less likely to cause damage.
If you haven't purchased an upgrade kit to replace the old counterbalance system it's best to keep the original weights for balancing in place. They're not costly and are easy to install if purchased them from architectural salvage stores. Based on the size of your window one or two sashweights may be needed to keep it open.