Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and damage. You can avoid future repair costs by catching these issues early, before they become out of control.

The sash is an inside frame that can move vertically up and down in windows that are open. This article will show you how to perform several simple repairs to the 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 when they are maintained properly. They may, however, get damaged or deteriorated over time due to exposure and normal wear. Fortunately, sash repair specialists can restore your windows to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step to upvc repair sash window damage is to fix weather stripping, which is found on both the sash and frame. It can cause drafts if worn out or loose. To fix it, begin by determining your window's brand and the date of manufacture for the glass (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, you can remove the sash from the holder and place it on flat surfaces to allow you to reach all four sides. If your sash has a double-hung, you'll have to remove the weights and the ropes that go with them that should have fallen into the pocket of the jamb liner. Once you've taken the sash off, use a utility knife to cut away the weather stripping that was formerly in place at the corners, and then remove it by hand or with a putty knife.

After the sash has been cleared, you can install the stoppers that separate the two sashes. These are long pieces that split the sashes. Pam prefers to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you can also replace them with a piece of scrap wood.

After removing the parting stop 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 one day. After the putty has completely cure, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash an updated appearance.

Sash Hardware

The hardware that supports the window sashes can wear out with time and use. This could result in a door or a window that is difficult to open or close. The good news is that repairing and replacing this hardware is generally very simple and cost-effective. If you're having trouble opening a sash spray some lubricant into the jamb channel. Then, slide the sash open to see if that fixes the problem. If the issue continues, it is most likely that the sash balance is off. You'll need to take off the window sash to access the hardware.

Window sashes need to open and close with little effort. However, this could be difficult if weights are worn out or the sash-to rail connecting rail isn't coated. This issue can be due to many factors such as a lack of maintenance and a mismatched weight rating.

If the hinge arms of a window are starting to slide, this could cause the sash to slide and eventually strike the frame in the corner that's opposite the hinge arm (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame's opening and remove it. If the sash is fixed to the hinge arm, remove the hinge and replace it. (Photo 2). Next, install the new sash (Photo 3).

Because of sagging hinges and a general lack of energy efficiency, windows that are old, especially those in older houses, could be difficult to open or close. Sometimes, a few simple fixes can help these windows function smoothly again and help homeowners save money on their energy bills.

It is crucial to have the tools needed before you start. Start by marking the location of the hinge channel on the frame with pencil (Photo 1). This will assist you in getting the channel back on the correct position after you've finished. Remove the sash and take out all the hardware, including the parting beads, cords, and chains that help to hold the sash. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Remove the old sash, and place 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 by replacing worn out weights on sash can improve sash operation and reduce energy consumption. Sash weights are composed of heavy iron or lead cylinders that are encased in a hidden cavity and connected by ropes to the moveable window sash. They are counterbalancers that allows the window to be closed and opened without using mechanical or electrical devices. If they fail, sashweights are usually ignored or disabled by homeowners.

It is difficult to recover an sash-weight which has fallen from the cavity, so you'll need to find one that fits properly. You will also require a new piece string, a length of sashcord and a few sashpulleys for tying the new weights to the cord.

Mortise and Tenon joints can be used to join older wood windows. The wood pegs that keep the components together can be removed with a pin punch and hammer. Most of these pegs have large diameters on one side and a smaller diameter on the other side, so it is essential to remove the small-diameter sides first. Later sashes utilized glue instead of pins. They can be cut with a knife and mallets.

Once the sash has been removed, you can take off the stops on the sash and get access to the weight pockets. This is usually done via tiny holes in the bottom of each jamb. This hole is covered by an access panel of wood that can be ripped off so that you can view the inside of the frame.

When the sash has been shut off and the access panel is removed, you can remove the weight that was previously installed and replace it. First, weigh the sash because the weights you have might not be the correct size. Once the new weight has been installed, thread a string through the sash pulling mechanism. Then attach the string to the frame, but leave a few inches of string hanging from the head to allow for future adjustments.

Sash Cords

Most double-hung windows of the past come with a chain or cord connected to the weights that keeps the sashes level in 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 upwards and downwards and hold it in place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are usually screwed or nailed into and require removal. You may be able to employ a hammer and chisel for removing them, but it's always better to lay down dust sheets prior to commencing any work.

After you have removed the access panel, you are able to begin working on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves using the chisel or flat bar. They are usually wedged in or nailed, but they can be snipped out and it's worth your time. If the sash remains in place, pry out the mortise and the tenon joints by using pin punch and hammer or screwdriver, and then take out the wood pegs that are on each piece. The sash should be able move freely, however it may require some lubrication to feel less stiff.

With the sash in an open position 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 on the bottom. Cut the chain or cord, and then secure it in Step 6 above. You can either employ a hammer and screws or nails, however nails are less likely to cause damage.

It is recommended to keep the original weights in place unless you have purchased a kit that will replace the old counterbalance. It's not too expensive to purchase them from a salvage store and they'll be easy to install once you have the sash open. Depending on the size and shape of your window you may need to use one or two sashweights to keep it open.