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Window Sash Repairs

Window sashes need to be checked regularly for mold, mildew and other damage. By catching problems before they become serious you will save money on future repairs.

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

Weather Stripping

Wood window sashes give an elegant look to your home. When properly maintained, they can last for many years. However, they may become damaged or deteriorate in time because of exposure to the elements and normal wear and tear. Fortunately, sash repair specialists can bring your windows back to their original condition and maintain their appearance for 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. It can cause drafts if damaged or is loose. To fix it, start by determining the brand of your window repair near and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash and mark its width and height so you can get replacement weather stripping that matches.

Then, remove the sash from its holder, and place it on an even surface that allows you to reach all four sides. If your sash was double glazed windows repair-hung, take out the weights using their ropes that should be buried within the jamb lining. After you have removed the sash using the utility knife, you can remove the weather stripping that was left by hand or using a putty knife.

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

After removing the stopper for the parting and trimming it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using a putty tool, and allow it to dry for at least a day. Once the putty has fully cure it is possible to apply a topcoat of acrylic latex. This will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and use. This could lead to windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is usually relatively easy and affordable. If you're having difficulty opening a sash spray some oil into the jamb channel. Then, window sash repairs slide the sash out to see if it resolves the issue. If not, the issue is most likely due to the sash balance and you'll have to take off the sash to gain access to the hardware.

Window sashes should open and close without much effort. However, this can be difficult if the weights are worn out or the sash meeting rail is not properly coated. This issue can be caused by a variety of factors, including insufficient maintenance or the wrong weight rating for the particular window sash.

If the hinges on windows begin to slide, this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame opening, and then take it off. If the sash is screwed onto the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Because of sagging hinges and a general deficiency in energy efficiency, windows that are old especially in older homes, may be difficult to open and close. In most cases, a few simple repairs can turn these windows into smooth operators again and save the homeowner money on energy bills.

To make these repairs to the sash, it's important to have all the necessary tools lined up before you begin. Start by marking the location of the hinge channel on the frame with pencil (Photo 1). This will help you to place the channel in the proper location after you've completed. Remove the sash and then remove all hardware, including the parting beads, cords, and chains that keep the sash in place. Soften any hardened putty using the help of a heat gun set at medium and equipped with a shield to block the nozzle. Take off the old sash and place it in a bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or simply to keep the windows functional, replacing worn out weights on sash can improve sash operation and cut down on energy consumption. Sash weights are composed of heavy iron or lead cylindricals that are contained in a concealed cavity and are connected via a rope to the movable window sash. These weights provide counterbalance that allows the upvc window repairs near me to be closed and opened without using mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners, and are turned into scrap when they fail; therefore you might need to find replacements.

It's not easy to retrieve an sash-weight which 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 sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Mortise and Tenon joints are used to join old wood windows. The wood pegs that hold the components together can be removed with a pin punch and hammer. The majority of these pegs are large on one side and smaller on the other. It is essential to remove first the smaller diameter sides. Sashes made later in the century made use of glue instead of pegs and can be separated by cutting the glue line using a knife, then tapping the mortised part loose using a mallet.

Once the sash is freed and removed, you can take off the sash stop and gain access to 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 inner workings.

Once the sash is stopped and the access panel has been removed, you can remove the weight you used and replace it. Be sure to weigh the sash first because the weights you've got may not be the correct size. After the new weight is installed, thread the string through the sash pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches at the head of the string to allow future adjustments.

Sash Cords

In the majority of double-hung windows the chain or cord is affixed to the weights. This keeps the sashes of the jamb level. Over time, these chains may become damaged and make it impossible to raise the windows. A new sash cord can restore the ability to move the sash up and down and will keep it in its position when it is opened.

The first step to replace cords for sash is to locate and remove the access panels within the jambs. They are usually screwed or nailed in and require removal. You might be able to use a hammer and chisel for removing them, but it's always better to lay down dust sheets prior to beginning any work.

Once the access panel is removed, you can start working on the sash. Take the narrow beads (also known as "tie rails") out of their grooves using a chisel or flat bar. They are usually wedged in or nailed but can be prised free and it's worth your time here. If the sash remains in place, pry the mortise-and tenon joints using a hammer or screwdriver and then take out each wood peg. The sash should move around freely now, however it may need some lubrication to feel less stiff.

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

It is best to keep the weights that came with the original counterbalance unless you have purchased a kit that will replace the old counterbalance. They're not costly and easy to install if you buy them from salvage shops for architectural use. Based on the size of your window two or three sash weights may be needed to keep it in an open position.