5 Window Sash Repairs Lessons Learned From Professionals

Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew, and damage. If you catch these issues early you will save money on repairs in the future.

The sash is the internal framing that can be moved vertically upwards or downwards in windows that open. This article will teach you how to perform simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also durable and can last many years provided they are properly maintained. However, they can become damaged or degrade in time due to exposure to the elements and normal wear and wear and tear. However, sash repair experts can bring your windows back to their original condition and keep them looking great 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 could cause drafts if worn out 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). Then, take the sash off and mark its width and height, so you can find the appropriate weather stripping replacement to match.

Then, you can remove the sash from its holder and place it on flat surfaces to allow you to see all four sides. If your sash was double-hung, you must remove the weights with their ropes that should be buried inside the jamb lining. Once you've removed the sash, use a utility knife to cut off the weather stripping that was formerly in place at the corners. Then, take it off by hand or using a putty knife.

After the sash has been cleared it is time to replace the parting stops. They are long pieces of wood that divide the two sashes. Pam prefers to use standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can substitute for a scrap piece of lumber.

After removing the stopper and cutting it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth the compound using a putty tool, and let it dry for at least one day. Once the putty has fully dried it is possible to apply a topcoat of acrylic latex. This will protect the putty and give your sash an updated appearance.

Sash Hardware

The hardware that supports Window Repair sashes can wear out with time and use. This could lead to a door or a window that is difficult to open or close. It's good to know that replacing or repair of this hardware is typically straightforward and cost-effective. If you're having difficulty opening a sash, spray some grease into the jamb channel. Then, slide the sash open to see if it resolves the problem. If not, the problem is likely to be with the sash balance and Window Repair you'll need to remove the sash in order to access the hardware.

Ideally, window sashes should be able to open and close without effort, but this can be a difficult task if the weights become worn or if the sash that joins rail isn't properly glazed. This issue could be caused by a number of factors, including the lack of maintenance or an incorrect weight rating for the particular sash.

If the hinge arms on windows begin to slide, this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To correct the issue, make sure that the sash is aligned in the frame's opening and take it off. If the sash is attached to the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Due to sagging hinges, and a general lack in energy efficiency, older windows especially in older homes, can be difficult to open and close. Many times it is a matter of making a few minor adjustments that can help these windows function smoothly again and save homeowners money on their energy bills.

To make these repairs to sash it is important to have all the necessary tools in place before you begin. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will help you to position the channel in the correct location after you've completed. Then, remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the chains or cords that hold it in place. Soften any hardened putty using an electric heat gun set to medium and fitted with a shield to block the nozzle. Take off the old sash and keep it in a bag labeled.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or 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 iron or lead cylinders that are encased in a hidden cavity and connected by ropes to the movable window sash. These weights provide counterbalance, allowing the window repair near me to be shut and opened without the need for mechanical or electrical devices. The sash weights are usually ignored or discarded by homeowners, and are turned into scrap when they fail. Consequently you may have to locate replacements.

A sash weight that has fallen out of the cavity is difficult to recover, so you will want to find a new one that fits correctly. You will also need an additional piece of string, a length sash cord, and a few sash pulleys that will tie the new sash weights the sash cord.

Older windows made of wood are joined with mortise and tenon joints. Hammers and pins can be used to remove the wood pegs holding the components together. The majority of these pegs are large on one side, but smaller on the other. It is important to first remove the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs. They can be separated by cutting the glue line using a knife, then tapping the mortised section loose using a mallet.

Once the sash is freed, you can remove the sash stop and access the weight pocket. Usually this is accomplished by drilling a hole near the bottom of each jamb. This hole is covered by a wooden access panel that can be cut off so that you can view the inside of the frame.

After the sash has been stopped and the access panel is removed, you can take off the weight that was previously installed and replace it. Be sure to weigh the sash first, as the weights you have might not be the correct size. After the new weight has been installed, run an appropriate length of string through the pulling mechanism. Then attach the string to the frame, but only leave a few inches of string sticking out from the head for future adjustments.

Sash Cords

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

The first step to replace sash cords is to find and remove the access panels in the jambs. They are usually screwed or nailed in and require removal. It may be possible to remove them with the hammer or chisel however, it is best to lay out 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 called "tie rails") out of their grooves with flat bar or chisel. It's important to take your time, as these are often wedged or nailed in place. If the sash remains in place, pry out the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, then remove the wood pegs that are on each piece. The sash should be able move freely, however it may need some lubrication in order to feel less stiff.

Determine the length of sash cord/chain needed to reach the sash slot at the bottom from the pulley at the top of the jamb. Cut the cord/chain, and then secure it in the step 6 above. You can do this with a hammer, nails, or screws. However nails are less likely than screws to cause damage.

If you don't have a kit that replaces the old counterbalance system, it's recommended to keep the original balancing weights in place. It's not too expensive to purchase these from salvage shops for architectural purposes and they will be easy to install once you've got the sash open. Based on the size and shape of your window you may need to use one or two sashweights in order to keep the sash open.