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Window Sash Repairs

Check the windows sashes regularly for any damage, mildew and mold. If you catch these issues early you can save money on future repairs.

The sash is an interior framing that moves vertically upwards or downwards in windows that open. This article will teach you how to perform several simple repairs to the sash.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also sturdy and last for a long time when they are maintained properly. However, they can become damaged or degrade over time because of exposure to the elements and normal wear and tear. Fortunately, sash repair timber windows specialists can bring your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows.

Weather stripping is the first aspect to consider when you are repairing sash windows. It is located on both the frame and sash. It can cause drafts if worn out or loose. To fix it, begin by determining your window's brand and glass manufacturer date (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 new weather stripping that matches.

Then, remove the sash and set it on a table so you can access all four sides. If your sash was double-hung, you must remove the weights using their ropes that should have fallen into the pocket in the jamb lining. After you have removed the sash using the utility knife, take off the weather stripping that was left by hand or with a putty blade.

When the sash is clean and clean, you can put in the parting stops. These are long pieces that divide the sashes. Pam likes to replace these with standard 1/2-inch by 3/4-inch window trim from the lumberyard, however you can also use a piece of scrap wood.

After removing the parting stop and trimming it to length after which, apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound with your putty tool, and let it dry at least one day. When it's completely dried then apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that holds the window sashes may wear out with time and use. This could result in windows or doors that is difficult to open or close. The good thing is that fixing and replacing this hardware is usually quite simple and inexpensive. If you're having difficulty opening a sash spray some oil into the jamb channel. Then, you can slide the sash out to see if that fixes the issue. If the issue continues it's most likely that the sash balance is off. You'll need to remove the window sash to get access to this part of the hardware.

Ideally, window sashes should move open and shut with minimal effort but this can be an issue when the weights are worn or if the sash meeting rail isn't properly coated. This could be caused by many factors such as an absence of maintenance or an unmatched weight rating.

If the hinges on a window begin to sag this could cause the sash to drag, and then eventually to hit the frame at the opposite corner (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 has been screwed to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Due to hinges that are sagging, and a general lack in energy efficiency, old windows particularly those in older houses, could be difficult to open or close. Sometimes, a few simple fixes can make these windows operate smoothly once more and save homeowners money on energy costs.

It is essential to have the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using pencil. This will allow you to get the channel back into position correctly after you've completed. Remove the sash and window sash repairs 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 shield to block the nozzle. Take off the old sash and keep it in a bag with a label.

Sash Weights

If your window sash repairs are to replace a damaged cord or to keep your windows functioning, replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are hefty lead or iron cylinders that are enclosed inside a hidden compartment and attached to the movable sash by a rope. They provide counterbalance that allows the window to be shut and opened without the use of electrical or mechanical devices. When they fail, sashweights are often ignored or disabled by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to get back It is therefore important to find a replacement that fits properly. You will also require an additional piece of string, a length the sash cord, as well as some sash pulleys to tie the new sash weights to the sash cord.

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

After the sash is removed, you can take off the stops on the sash and get access to the pockets for weights. Usually this is accomplished by drilling an opening at the bottom of each jamb. The hole is then covered with an access panel of wood which can be removed to let you observe the inner workings of the frame.

Once the sash is stopped and the access panel has been removed, you are able to remove the weight you used and replace it. Make sure you weigh the sash prior to you do this, since the old weights may be different in size from the one you need. After the new weight is installed then tie a string to it and then thread it through the pulley for the sash. 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

In the majority of old double-hung windows, a chain or cord is affixed to the weights. This supports and keeps the sashes of the jamb in a balanced manner. Over time, these chains can become damaged and make it difficult to raise the windows. A new sash cable will give you the ability to move and lower the sash, and keep it in position when it is opened.

The first step to replace cords for sash is to locate and remove the access panels in the jambs. They are usually nailed or screwed in and will need to be removed or repositioned. You may be able to use a hammer or chisel to remove them however, it is always best to lay down dust sheets before commencing any work.

After the access panel has been removed, 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 they can be snipped out which is why it's worth your time. If the sash is still in place, pry the mortise and tenon joints free using a hammer or screwdriver and then take out each wood peg. The sash should move freely, however it may require some lubrication to feel less stiff.

With the sash in an open position, measure enough sash cord/chain to extend from the pulley in the top of the jamb to the sash slot at the bottom. Cut the cord/chain and attach it as described in Step 6 above. You can do this with nail, hammer or screws. However, nails are less likely to cause damage.

It's best to leave the original weights if you have purchased a kit that will replace the counterbalance that was previously installed. They're not costly and easy to install if purchased them at architectural salvage stores. Depending on the size of your window two or three sash weights might be required to keep it open.