10 Window Sash Repairs That Are Unexpected
Window Sash Repairs
Check the windows sashes regularly for damage, mildew, and mold. You can save the cost of repairs in the future by catching problems early before they get out of hand.
The sash is the internal framing that moves vertically up or down in windows that open. This article will show you how to carry out a few simple repairs to sash.
Weather Stripping
Wood Window Repair sashes add the classic look to your home. When properly maintained, they can last for many years. However, they can get damaged or deteriorated over time, due to exposure and normal wear. However, sash repair experts can restore your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.
The first step to repair sash windows is to address weather stripping. It's found on both the sash and frame. If it's loose or worn out, it can lead to drafts and other problems. To fix it, start by determining your window's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its width and height so that you can locate the appropriate weather stripping replacement to match.
Then, remove the sash and place it on a work surface to allow access to all four sides. If your sash has a double-hung, you'll need to remove the weights and the ropes that go with them that should have fallen into the pocket that was intended to be in the jamb liner. After you have removed the sash using the utility knife, remove the old weather stripping by hand or with a putty blade.
After the sash is cleared, you can replace the parting stops. These are long pieces that divide the sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. But, you can also use for a scrap piece of lumber.
After removing the parting stops and trimming them to your desired length and thickness, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty tool, and let it dry for at least a day. After it has fully dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh look.
Sash Hardware
The hardware that holds the window repairs sashes can wear out over time and use. This can result in windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is generally quite simple and inexpensive. If a sash isn't easy to operate, try spraying some grease into the jamb channel then slide it open to see if it solves the issue. If not, the issue is most likely due to the sash balance, and you'll need to take out the sash in order to access this hardware.
The ideal situation is for window sashes to swing open and closed without effort, however, this can be difficult when the weights are worn or if the sash's meeting rail isn't properly glazed. This issue could be caused by a variety of things, such as insufficient maintenance or a mismatched weight rating for the specific sash.
If the hinge arms on a window begin to sag this could cause the sash to drag and then hit the frame in the opposite corner (Photo 1). To fix this issue, first make sure the sash fits squarely in the opening of the frame and then take it out of the window. If the sash has been screwed to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).
Windows that are old, especially in older houses, can be difficult to close and open due to sagging hinges and general lack of energy efficiency. Many times it is a matter of making a few minor adjustments that can make these windows operate smoothly and save homeowners money on energy costs.
It is crucial to have the tools you need before you begin. Begin by marking the position of the hinge channel on the frame with a pencil (Photo 1). This will allow you to place the channel in the right place when you are finished. Then, remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. The nozzle shield of the heat gun and a medium setting can soften any putty that has been hardened. Take off the old sash and store it in an bag with a label.
Sash Weights
If your window sash repairs are to replace a broken cord or just to keep the windows functional by replacing worn out weights for sash will improve its operation and help reduce energy costs. Sash weights are made of heavy lead or iron cylinders that are enclosed inside a concealed cavity, and are connected via a rope to the movable window sash. These weights act as counterbalances and allow you to open and shut the window without having to use mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners and turned into scrap when they fail; therefore you might need to locate replacements.
A weight from a sash that fell out of the cavity is difficult to recover It is therefore important to find a new one that fits properly. You will also require a new piece string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.
Mortise and Tenon joints can be used to join older wood windows. The wood pegs holding the parts together can be removed using a pin punch and hammer. Most of them have an enormous diameter on one side and a smaller diameter on the other, so it is crucial to take out the smaller-diameter sides first. Later sashes made use of glue instead of pins. They can be cut by using a knife and a mallet.
After the sash is removed and removed, you can take off the sash stop and access the weight pocket. Usually it is done by drilling an opening at the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the interior workings.
After you have the sash stopped and the access panel removed, you will be able to remove the old sash weight and replace it with new. Make sure you weigh the sash before you do this, since the weights that were previously used may be different in size from the one you need. After the new weight has been installed, you can thread the string through the sash pulling mechanism. Then attach the string to the boxed frame, but only leave a few inches of string protruding from the head for future adjustment.
Sash Cords
The majority of double-hung windows with a history have a cord or Window Repair chain attached to the weights which keeps the sashes balanced within the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cord will give you the ability to move the sash up and down and will keep it in its place 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 in and must be removed. It may be possible to remove them using an axe or hammer, but it is always better to lay out dust sheets prior to starting any work.
After removing the access panel, you can begin working on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves with the chisel or flat bar. It is important to take your time, as these are often stuck or nailed to the floor. If the sash is still in place, pry the mortise and tenon joints free using a hammer or screwdriver and then remove each wood peg. The sash should be able move freely, however it may need some lubrication to feel less 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 at the bottom. Cut the cord/chain and then attach it in Step 6 above. You can either use a hammer and nail or screws, but nails are less likely to cause damage.
It's best to leave the original weights if you've purchased a kit to replace the old counterbalance. They're not expensive and easy to install if purchased them from architectural salvage stores. 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.
