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Window Sash Repairs

Window sashes must be inspected regularly for signs of mold, mildew, and damage. By catching problems before they become serious you will save money on repairs in the future.

The sash is an inside frame that moves upwards and downwards in windows that are open. This article will show you how to make several simple sash repairs.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home and, when properly maintained, can last for a long time. They can, however, be damaged or degraded over time, due to exposure and normal wear and tear. Thankfully, sash repair experts can restore your windows to their original condition and maintain their appearance for a longer period of time than replacement windows.

Weather stripping is the primary issue to take care of when fixing sash windows. It's located on both the frame and the sash. It can cause drafts if it's worn or loose. Begin by identifying the window's brand and the glass manufacturer's date (etched on the glass's corner or the aluminum spacers between panes). Take the sash off, and mark its width and height so that you can get replacement weather stripping that matches.

Next, remove the sash and set it on a work surface to allow access to all four sides. If the sash is double-hung, you must remove the ropes and weights that should be buried within the jamb lining. After you've removed the sash using a utility knife, you can use it to remove the weather stripping from the corners, then remove it by hand or using a putty blade.

Once the sash has been cleaned, you can replace the parting stops. These are long pieces of wood that divide the two sashes. Pam likes to replace these with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, but you could also use a piece of scrap wood.

After removing the stoppers for parting and trimming them to the desired length, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, then let it dry for a minimum of a day. After the putty has completely dried it is possible to apply a topcoat of acrylic. This will protect the putty, and give your sash a modern appearance.

Sash Hardware

The hardware that supports the windows sashes can become worn out with time and use. This can result in a door or a window that is difficult to open or close. The good thing is that fixing and window replacing this hardware is generally quite simple and inexpensive. If you are having trouble opening a sash spray some lubricant into the jamb channel. Then slide the sash out to see if this resolves the issue. If the issue persists, it is most likely that the sash balance is off. You'll need remove the window sash to get access to this part of the hardware.

Ideally, window sashes should move open and shut with very little effort, but this can be a difficult task if the weights become worn or if the sash meeting rail isn't properly glazed. This issue can be caused by a number of reasons, such as insufficient maintenance or an incorrect weight rating for a particular window sash.

If the hinge arms on a window doctor near me begin to sag this can cause the sash drag and then hit the frame at the opposite corner (Photo 1). To remedy the issue ensure that the sash is in the proper position within the frame's opening and remove it. If the sash has been fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Old windows, especially those in older homes, may be difficult to open and close due to hinges that are sagging and an overall inefficiency. In most instances, a few minor repairs can turn these windows into smooth operators and save homeowners cash on energy costs.

To make these sash repairs it is important to have all of the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will assist you in getting the channel back into the correct position after you've finished. Remove the sash, and remove all the hardware, including the parting beads, cords, and chains that help to hold the sash. Soften any hardened putty using a heat gun set to medium and fitted with an shield to block the nozzle. Remove the old sash, and store it in a bag labeled.

Sash Weights

Sash weights are able to be replaced to enhance the efficiency of your window sash and reduce energy costs. Sash weights are composed of heavy iron or lead cylinders that are enclosed inside a concealed cavity, and connected by a rope to the movable window sash. These weights act as counterbalances, which allows you to open and shut the window without having to use mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners, and are turned into scrap when they break; therefore you may have to search for replacements.

It's not easy to retrieve the sash-weight that fell from the cavity, so you'll want to find one that fits properly. You will also need an additional piece of string, a length the sash cord, as well as some sash pulleys that will tie the new sash weights onto the sash cord.

Older wood windows are joined with mortise and window tenon joints. Pin punch and hammer can be used to cut off the wood pegs that hold the components together. The majority of these pegs are large on one side, but smaller on the other. It is essential to first remove the smaller diameter sides. Later sashes utilized glue instead of pins. They can be cut with a knife and a mallet.

After the sash is removed and removed, you can take off the stopper on the sash and get access to the weight pocket. This is usually done through an opening in the bottom of each jamb. This hole is covered by a wooden access panel that can be cut off to allow you to view the inside of the frame.

After the sash has been stopped and the access panel is removed, you are able to remove the weight you used and replace it. Be sure to weigh the sash prior to you do this, as the old weights could be a different size than the one you need. Once the new weight has been installed, you can thread the string through the sash pulling mechanism. Then, you can nail the string to the frame, leaving a few inches of string sticking out from the head for future adjustment.

Sash Cords

Most old double-hung windows include a chain or cord attached to the weights which helps keep the sashes level within the jamb. As time passes, these cords may become damaged and make it difficult to raise the windows. A new sash cord will give you the ability to move the sash up and down and keep it in place when opened.

The first step to replace sash cords is to find and take out the access panels located in the jambs. They are usually nailed or screwed in and will need to be removed or repositioned. You could use a hammer and chisel to prise them off however, it is always best to lay down dust sheets before beginning any work.

After removing the access panel, you can begin working on the sash. Use a flat bar or chisel to pull the small parting beads from their grooves. It is important to take your time because they are usually placed in a wedge or nail. If the sash is in place, break the mortise and tenon joints with the help of a hammer and pin or screwdriver, then unhook the wood pegs that are on each component. The sash should be able move freely now, but it might require some lubrication to feel less stiff.

With the sash open, 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 chain or cord and attach it in the previous step. You can employ a hammer, nail or screws, but 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 them from a salvage store and they'll be easy to install once you've got the sash opened. Depending on the size of your window one or two sashweights might be required to keep it open.